Merge pull request #289 from AuthMe-Team/master

[DO NOT MERGE] Merge from AuthMe-Team

.idea/codeStyleSettings.xml

@@ -5,6 +5,8 @@
       <value>
         <option name="AUTODETECT_INDENTS" value="false" />
         <option name="LINE_SEPARATOR" value="&#10;" />
+        <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
+        <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
         <option name="JD_ADD_BLANK_AFTER_PARM_COMMENTS" value="true" />
         <option name="JD_ADD_BLANK_AFTER_RETURN" value="true" />
         <XML>

pom.xml

@@ -5,7 +5,7 @@
 
     <groupId>fr.xephi</groupId>
     <artifactId>authme</artifactId>
-    <version>5.1-SNAPSHOT</version>
+    <version>5.2-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>AuthMeReloaded</name>
@@ -285,7 +285,7 @@
         <dependency>
             <groupId>com.zaxxer</groupId>
             <artifactId>HikariCP</artifactId>
-            <version>2.4.1</version>
+            <version>2.4.3</version>
             <scope>compile</scope>
             <exclusions>
                 <exclusion>
@@ -298,7 +298,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-jdk14</artifactId>
-            <version>1.7.12</version>
+            <version>1.7.13</version>
             <scope>compile</scope>
             <optional>true</optional>
         </dependency>
@@ -502,6 +502,10 @@
                     <artifactId>AllPay</artifactId>
                     <groupId>com.fernferret.allpay</groupId>
                 </exclusion>
+                <exclusion>
+                    <artifactId>Vault</artifactId>
+                    <groupId>net.milkbowl.vault</groupId>
+                </exclusion>
                 <exclusion>
                     <artifactId>VaultAPI</artifactId>
                     <groupId>net.milkbowl.vault</groupId>

src/main/java/fr/xephi/authme/AntiBot.java

@@ -1,8 +1,8 @@
 package fr.xephi.authme;
 
-import fr.xephi.authme.permission.UserPermission;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.permission.PlayerPermission;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.util.Wrapper;
 import org.bukkit.Bukkit;
@@ -73,7 +73,7 @@ public class AntiBot {
         if (antiBotStatus == AntiBotStatus.ACTIVE || antiBotStatus == AntiBotStatus.DISABLED) {
             return;
         }
-        if (plugin.getPermissionsManager().hasPermission(player, UserPermission.BYPASS_ANTIBOT)) {
+        if (plugin.getPermissionsManager().hasPermission(player, PlayerPermission.BYPASS_ANTIBOT)) {
             return;
         }
 

src/main/java/fr/xephi/authme/AuthMe.java

@@ -10,6 +10,7 @@ import fr.xephi.authme.cache.backup.JsonCache;
 import fr.xephi.authme.cache.limbo.LimboCache;
 import fr.xephi.authme.cache.limbo.LimboPlayer;
 import fr.xephi.authme.command.CommandHandler;
+import fr.xephi.authme.command.CommandInitializer;
 import fr.xephi.authme.converter.Converter;
 import fr.xephi.authme.converter.ForceFlatToSqlite;
 import fr.xephi.authme.datasource.*;
@@ -17,13 +18,18 @@ import fr.xephi.authme.hooks.BungeeCordMessage;
 import fr.xephi.authme.hooks.EssSpawn;
 import fr.xephi.authme.listener.*;
 import fr.xephi.authme.modules.ModuleManager;
+import fr.xephi.authme.output.ConsoleFilter;
+import fr.xephi.authme.output.Log4JFilter;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.permission.PermissionsManager;
-import fr.xephi.authme.permission.UserPermission;
+import fr.xephi.authme.permission.PlayerPermission;
 import fr.xephi.authme.process.Management;
 import fr.xephi.authme.settings.*;
 import fr.xephi.authme.util.GeoLiteAPI;
 import fr.xephi.authme.util.StringUtils;
 import fr.xephi.authme.util.Utils;
+import fr.xephi.authme.util.Wrapper;
 import net.minelink.ctplus.CombatTagPlus;
 import org.apache.logging.log4j.LogManager;
 import org.bukkit.Bukkit;
@@ -66,8 +72,9 @@ public class AuthMe extends JavaPlugin {
 
     private static AuthMe plugin;
     private static Server server;
+    private static Wrapper wrapper = Wrapper.getInstance();
 
-    public Management management;
+    private Management management;
     public NewAPI api;
     public SendMailSSL mail;
     public DataManager dataManager;
@@ -227,7 +234,7 @@ public class AuthMe extends JavaPlugin {
         this.otherAccounts = OtherAccounts.getInstance();
 
         // Setup messages
-        this.messages = new Messages(Settings.messageFile, Settings.messagesLanguage);
+        this.messages = Messages.getInstance();
 
         // Set up Metrics
         setupMetrics();
@@ -427,8 +434,7 @@ public class AuthMe extends JavaPlugin {
      * Set up the command handler.
      */
     private void setupCommandHandler() {
-        this.commandHandler = new CommandHandler(false);
-        this.commandHandler.init();
+        this.commandHandler = new CommandHandler(CommandInitializer.getBaseCommands());
     }
 
     /**
@@ -735,7 +741,7 @@ public class AuthMe extends JavaPlugin {
     public Player generateKickPlayer(Collection<? extends Player> collection) {
         Player player = null;
         for (Player p : collection) {
-            if (!getPermissionsManager().hasPermission(p, UserPermission.IS_VIP)) {
+            if (!getPermissionsManager().hasPermission(p, PlayerPermission.IS_VIP)) {
                 player = p;
                 break;
             }
@@ -951,13 +957,14 @@ public class AuthMe extends JavaPlugin {
     @Override
     public boolean onCommand(CommandSender sender, Command cmd,
                              String commandLabel, String[] args) {
-        // Get the command handler, and make sure it's valid
-        CommandHandler commandHandler = this.getCommandHandler();
-        if (commandHandler == null)
+        // Make sure the command handler has been initialized
+        if (commandHandler == null) {
+            wrapper.getLogger().severe("AuthMe command handler is not available");
             return false;
+        }
 
-        // Handle the command, return the result
-        return commandHandler.onCommand(sender, cmd, commandLabel, args);
+        // Handle the command
+        return commandHandler.processCommand(sender, commandLabel, args);
     }
 
     /**

src/main/java/fr/xephi/authme/ConsoleFilter.java

@@ -1,42 +0,0 @@
-package fr.xephi.authme;
-
-import java.util.logging.Filter;
-import java.util.logging.LogRecord;
-
-/**
- * Console filter Class
- *
- * @author Xephi59
- * @version $Revision: 1.0 $
- */
-public class ConsoleFilter implements Filter {
-
-    public ConsoleFilter() {
-    }
-
-    /**
-     * Method isLoggable.
-     *
-     * @param record LogRecord
-     *
-     * @return boolean * @see java.util.logging.Filter#isLoggable(LogRecord)
-     */
-    @Override
-    public boolean isLoggable(LogRecord record) {
-        try {
-            if (record == null || record.getMessage() == null)
-                return true;
-            String logM = record.getMessage().toLowerCase();
-            if (!logM.contains("issued server command:"))
-                return true;
-            if (!logM.contains("/login ") && !logM.contains("/l ") && !logM.contains("/reg ") && !logM.contains("/changepassword ") && !logM.contains("/unregister ") && !logM.contains("/authme register ") && !logM.contains("/authme changepassword ") && !logM.contains("/authme reg ") && !logM.contains("/authme cp ") && !logM.contains("/register "))
-                return true;
-            String playerName = record.getMessage().split(" ")[0];
-            record.setMessage(playerName + " issued an AuthMe command!");
-            return true;
-        } catch (NullPointerException npe) {
-            return true;
-        }
-    }
-
-}

src/main/java/fr/xephi/authme/ConsoleLogger.java

@@ -2,7 +2,6 @@ package fr.xephi.authme;
 
 import com.google.common.base.Throwables;
 import fr.xephi.authme.settings.Settings;
-import fr.xephi.authme.util.StringUtils;
 import fr.xephi.authme.util.Wrapper;
 
 import java.io.IOException;
@@ -17,8 +16,10 @@ import java.util.Date;
  */
 public final class ConsoleLogger {
 
+    private static final String NEW_LINE = System.getProperty("line.separator");
+    private static final DateFormat DATE_FORMAT = new SimpleDateFormat("[MM-dd HH:mm:ss]");
+
     private static Wrapper wrapper = Wrapper.getInstance();
-    private static final DateFormat df = new SimpleDateFormat("[MM-dd HH:mm:ss]");
 
     private ConsoleLogger() {
         // Service class
@@ -57,11 +58,11 @@ public final class ConsoleLogger {
      */
     private static void writeLog(String message) {
         String dateTime;
-        synchronized (df) {
-            dateTime = df.format(new Date());
+        synchronized (DATE_FORMAT) {
+            dateTime = DATE_FORMAT.format(new Date());
         }
         try {
-            Files.write(Settings.LOG_FILE.toPath(), (dateTime + ": " + message + StringUtils.newline).getBytes(),
+            Files.write(Settings.LOG_FILE.toPath(), (dateTime + ": " + message + NEW_LINE).getBytes(),
                 StandardOpenOption.APPEND,
                 StandardOpenOption.CREATE);
         } catch (IOException ignored) {
@@ -77,6 +78,6 @@ public final class ConsoleLogger {
         if (!Settings.useLogging) {
             return;
         }
-        writeLog("" + Throwables.getStackTraceAsString(ex));
+        writeLog(Throwables.getStackTraceAsString(ex));
     }
 }

src/main/java/fr/xephi/authme/SendMailSSL.java

@@ -48,7 +48,7 @@ public class SendMailSSL {
         final String subject = Settings.getMailSubject;
         final String smtp = Settings.getmailSMTP;
         final String password = Settings.getmailPassword;
-        final String mailText = Settings.getMailText.replace("<playername>", auth.getNickname()).replace("<servername>", plugin.getServer().getServerName()).replace("<generatedpass>", newPass);
+        final String mailText = Settings.getMailText.replace("%playername%", auth.getNickname()).replace("%servername%", plugin.getServer().getServerName()).replace("%generatedpass%", newPass);
         final String mail = auth.getEmail();
         Bukkit.getScheduler().runTaskAsynchronously(plugin, new Runnable() {
 
@@ -76,7 +76,7 @@ public class SendMailSSL {
                             ImageIO.write(gen.generateImage(), "jpg", file);
                             DataSource source = new FileDataSource(file);
                             String tag = email.embed(source, auth.getNickname() + "_new_pass.jpg");
-                            content = content.replace("<image>", "<img src=\"cid:" + tag + "\">");
+                            content = content.replace("%image%", "<img src=\"cid:" + tag + "\">");
                         } catch (Exception e) {
                             ConsoleLogger.showError("Unable to send new password as image! Using normal text! Dest: " + mail);
                         }
@@ -86,8 +86,7 @@ public class SendMailSSL {
                     try {
                         email.send();
                     } catch (Exception e) {
-                        e.printStackTrace();
-                        ConsoleLogger.showError("Fail to send a mail to " + mail);
+                        ConsoleLogger.showError("Fail to send a mail to " + mail + " cause " + e.getLocalizedMessage());
                     }
                     if (file != null)
                         //noinspection ResultOfMethodCallIgnored

src/main/java/fr/xephi/authme/api/API.java

@@ -170,7 +170,7 @@ public class API {
      */
     @Deprecated
     public static void forceLogin(Player player) {
-        instance.management.performLogin(player, "dontneed", true);
+        instance.getManagement().performLogin(player, "dontneed", true);
     }
 
     /**

src/main/java/fr/xephi/authme/api/NewAPI.java

@@ -170,7 +170,7 @@ public class NewAPI {
      * @param player *            player
      */
     public void forceLogin(Player player) {
-        plugin.management.performLogin(player, "dontneed", true);
+        plugin.getManagement().performLogin(player, "dontneed", true);
     }
 
     /**
@@ -179,7 +179,7 @@ public class NewAPI {
      * @param player * 			player
      */
     public void forceLogout(Player player) {
-        plugin.management.performLogout(player);
+        plugin.getManagement().performLogout(player);
     }
 
     /**
@@ -189,7 +189,7 @@ public class NewAPI {
      * @param password String
      */
     public void forceRegister(Player player, String password) {
-        plugin.management.performRegister(player, password, null);
+        plugin.getManagement().performRegister(player, password, null);
     }
 
     /**
@@ -198,6 +198,6 @@ public class NewAPI {
      * @param player * 			player
      */
     public void forceUnregister(Player player) {
-        plugin.management.performUnregister(player, "", true);
+        plugin.getManagement().performUnregister(player, "", true);
     }
 }

src/main/java/fr/xephi/authme/cache/auth/PlayerAuth.java

@@ -23,9 +23,8 @@ public class PlayerAuth {
     /**
      *
      */
-    public PlayerAuth(String serialized)
-    {
-    	this.unserialize(serialized);
+    public PlayerAuth(String serialized) {
+        this.deserialize(serialized);
     }
 
     /**
@@ -163,8 +162,10 @@ public class PlayerAuth {
      * @param email     String
      * @param realName  String
      */
-    public PlayerAuth(String nickname, String hash, String salt, int groupId, String ip, long lastLogin, double x, double y, double z, String world, String email, String realName) {
-        this.nickname = nickname;
+    public PlayerAuth(String nickname, String hash, String salt, int groupId, String ip,
+                      long lastLogin, double x, double y, double z, String world, String email,
+                      String realName) {
+        this.nickname = nickname.toLowerCase();
         this.hash = hash;
         this.ip = ip;
         this.lastLogin = lastLogin;
@@ -203,7 +204,7 @@ public class PlayerAuth {
      * @param nickname String
      */
     public void setName(String nickname) {
-        this.nickname = nickname;
+        this.nickname = nickname.toLowerCase();
     }
 
     /**
@@ -455,46 +456,137 @@ public class PlayerAuth {
     }
 
     /**
-     * Method to serialize playerauth
+     * Method to serialize PlayerAuth
      *
      * @return String
      */
-    public String serialize()
-    {
-    	StringBuilder str = new StringBuilder();
-    	str.append(this.nickname).append(';');
-    	str.append(this.realName).append(';');
-    	str.append(this.ip).append(';');
-    	str.append(this.email).append(';');
-    	str.append(this.hash).append(';');
-    	str.append(this.salt).append(';');
-    	str.append(this.groupId).append(';');
-    	str.append(this.lastLogin).append(';');
-    	str.append(this.world).append(';');
-    	str.append(this.x).append(';');
-    	str.append(this.y).append(';');
-    	str.append(this.z);
-    	return str.toString();
+    public String serialize() {
+        StringBuilder str = new StringBuilder();
+        char d = ';';
+        str.append(this.nickname).append(d);
+        str.append(this.realName).append(d);
+        str.append(this.ip).append(d);
+        str.append(this.email).append(d);
+        str.append(this.hash).append(d);
+        str.append(this.salt).append(d);
+        str.append(this.groupId).append(d);
+        str.append(this.lastLogin).append(d);
+        str.append(this.world).append(d);
+        str.append(this.x).append(d);
+        str.append(this.y).append(d);
+        str.append(this.z);
+        return str.toString();
     }
 
     /**
-     * Method to unserialize playerauth
-     *
+     * Method to deserialize PlayerAuth
      */
-    public void unserialize(String str)
-    {
-    	String[] args = str.split(";");
-    	this.nickname = args[0];
-    	this.realName = args[1];
-    	this.ip = args[2];
-    	this.email = args[3];
-    	this.hash = args[4];
-    	this.salt = args[5];
-    	this.groupId = Integer.parseInt(args[6]);
-    	this.lastLogin = Long.parseLong(args[7]);
-    	this.world = args[8];
-    	this.x = Double.parseDouble(args[9]);
-    	this.y = Double.parseDouble(args[10]);
-    	this.z = Double.parseDouble(args[11]);
+    public void deserialize(String str) {
+        String[] args = str.split(";");
+        this.nickname = args[0];
+        this.realName = args[1];
+        this.ip = args[2];
+        this.email = args[3];
+        this.hash = args[4];
+        this.salt = args[5];
+        this.groupId = Integer.parseInt(args[6]);
+        this.lastLogin = Long.parseLong(args[7]);
+        this.world = args[8];
+        this.x = Double.parseDouble(args[9]);
+        this.y = Double.parseDouble(args[10]);
+        this.z = Double.parseDouble(args[11]);
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public static final class Builder {
+        private String name;
+        private String realName = "Player";
+        private String hash = "";
+        private String salt = "";
+        private String ip = "127.0.0.1";
+        private String world = "world";
+        private double x = 0.0f;
+        private double y = 0.0f;
+        private double z = 0.0f;
+        private long lastLogin = System.currentTimeMillis();
+        private int groupId = -1;
+        private String email = "your@email.com";
+
+        public PlayerAuth build() {
+            return new PlayerAuth(
+                name,
+                hash,
+                salt,
+                groupId,
+                ip,
+                lastLogin,
+                x, y, z, world,
+                email,
+                realName
+            );
+        }
+
+        public Builder name(String name) {
+            this.name = name.toLowerCase();
+            return this;
+        }
+
+        public Builder realName(String realName) {
+            this.realName = realName;
+            return this;
+        }
+
+        public Builder hash(String hash) {
+            this.hash = hash;
+            return this;
+        }
+
+        public Builder salt(String salt) {
+            this.salt = salt;
+            return this;
+        }
+
+        public Builder ip(String ip) {
+            this.ip = ip;
+            return this;
+        }
+
+        public Builder locWorld(String world) {
+            this.world = world;
+            return this;
+        }
+
+        public Builder locX(double x) {
+            this.x = x;
+            return this;
+        }
+
+        public Builder locY(double y) {
+            this.y = y;
+            return this;
+        }
+
+        public Builder locZ(double z) {
+            this.z = z;
+            return this;
+        }
+
+        public Builder lastLogin(long lastLogin) {
+            this.lastLogin = lastLogin;
+            return this;
+        }
+
+        public Builder groupId(int groupId) {
+            this.groupId = groupId;
+            return this;
+        }
+
+        public Builder email(String email) {
+            this.email = email;
+            return this;
+        }
     }
 }

src/main/java/fr/xephi/authme/cache/limbo/LimboCache.java

@@ -14,6 +14,8 @@ import org.bukkit.entity.Player;
 
 import java.util.concurrent.ConcurrentHashMap;
 
+import static com.google.common.base.Preconditions.checkNotNull;
+
 /**
  */
 public class LimboCache {
@@ -117,7 +119,8 @@ public class LimboCache {
      * @param name String
      */
     public void deleteLimboPlayer(String name) {
-        cache.remove(name);
+        checkNotNull(name);
+        cache.remove(name.toLowerCase());
     }
 
     /**
@@ -128,7 +131,8 @@ public class LimboCache {
      * @return LimboPlayer
      */
     public LimboPlayer getLimboPlayer(String name) {
-        return cache.get(name);
+        checkNotNull(name);
+        return cache.get(name.toLowerCase());
     }
 
     /**
@@ -139,7 +143,8 @@ public class LimboCache {
      * @return boolean
      */
     public boolean hasLimboPlayer(String name) {
-        return cache.containsKey(name);
+        checkNotNull(name);
+        return cache.containsKey(name.toLowerCase());
     }
 
     /**
@@ -148,9 +153,8 @@ public class LimboCache {
      * @param player Player
      */
     public void updateLimboPlayer(Player player) {
-        if (this.hasLimboPlayer(player.getName().toLowerCase())) {
-            this.deleteLimboPlayer(player.getName().toLowerCase());
-        }
+        checkNotNull(player);
+        deleteLimboPlayer(player.getName().toLowerCase());
         addLimboPlayer(player);
     }
 

src/main/java/fr/xephi/authme/cache/limbo/LimboPlayer.java

@@ -108,8 +108,9 @@ public class LimboPlayer {
      * @param i BukkitTask
      */
     public void setTimeoutTaskId(BukkitTask i) {
-        if (this.timeoutTaskId != null)
+        if (this.timeoutTaskId != null) {
             this.timeoutTaskId.cancel();
+        }
         this.timeoutTaskId = i;
     }
 
@@ -128,11 +129,27 @@ public class LimboPlayer {
      * @param messageTaskId BukkitTask
      */
     public void setMessageTaskId(BukkitTask messageTaskId) {
-        if (this.messageTaskId != null)
+        if (this.messageTaskId != null) {
             this.messageTaskId.cancel();
+        }
         this.messageTaskId = messageTaskId;
     }
 
+    /**
+     * Method clearTask.
+     *
+     */
+    public void clearTask() {
+        if (messageTaskId != null) {
+            messageTaskId.cancel();
+        }
+        messageTaskId = null;
+        if (timeoutTaskId != null) {
+            timeoutTaskId.cancel();
+        }
+        timeoutTaskId = null;
+    }
+
     /**
      * Method isFlying.
      *

src/main/java/fr/xephi/authme/command/CommandArgumentDescription.java

@@ -1,23 +1,22 @@
 package fr.xephi.authme.command;
 
 /**
+ * Wrapper for the description of a command argument.
  */
 public class CommandArgumentDescription {
 
-    // TODO: Allow argument to consist of infinite parts. <label ...>
-
     /**
      * Argument label (one-word description of the argument).
      */
-    private String label;
+    private final String label;
     /**
      * Argument description.
      */
-    private String description;
+    private final String description;
     /**
      * Defines whether the argument is optional.
      */
-    private boolean isOptional = false;
+    private final boolean isOptional;
 
     /**
      * Constructor.
@@ -51,7 +50,7 @@ public class CommandArgumentDescription {
     }
 
     /**
-     * Check whether the argument is optional.
+     * Return whether the argument is optional.
      *
      * @return True if the argument is optional, false otherwise.
      */

src/main/java/fr/xephi/authme/command/CommandDescription.java

@@ -1,6 +1,8 @@
 package fr.xephi.authme.command;
 
+import fr.xephi.authme.permission.DefaultPermission;
 import fr.xephi.authme.permission.PermissionNode;
+import fr.xephi.authme.util.CollectionUtils;
 import fr.xephi.authme.util.StringUtils;
 import org.bukkit.command.CommandSender;
 
@@ -15,9 +17,9 @@ import java.util.List;
  * Command description - defines which labels ("names") will lead to a command and points to the
  * {@link ExecutableCommand} implementation that executes the logic of the command.
  *
- * CommandDescription is built hierarchically and have one parent or {@code null} for base commands (main commands
- * such as /authme) and may have multiple children extending the mapping of the parent: e.g. if /authme has a child
- * whose label is "register", then "/authme register" is the command that the child defines.
+ * CommandDescription instances are built hierarchically and have one parent or {@code null} for base commands
+ * (main commands such as /authme) and may have multiple children extending the mapping of the parent: e.g. if
+ * /authme has a child whose label is "register", then "/authme register" is the command that the child defines.
  */
 public class CommandDescription {
 
@@ -50,95 +52,53 @@ public class CommandDescription {
      * The arguments the command takes.
      */
     private List<CommandArgumentDescription> arguments;
-    /**
-     * Defines whether there is an argument maximum or not.
-     */
-    private boolean noArgumentMaximum;
     /**
      * Defines the command permissions.
      */
     private CommandPermissions permissions;
 
-    /**
-     * Constructor.
-     *
-     * @param executableCommand   The executable command, or null.
-     * @param labels              List of command labels.
-     * @param description         Command description.
-     * @param detailedDescription Detailed comment description.
-     * @param parent              Parent command.
-     */
-    public CommandDescription(ExecutableCommand executableCommand, List<String> labels, String description, String detailedDescription, CommandDescription parent) {
-        this(executableCommand, labels, description, detailedDescription, parent, null);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param executableCommand   The executable command, or null.
-     * @param labels              List of command labels.
-     * @param description         Command description.
-     * @param detailedDescription Detailed comment description.
-     * @param parent              Parent command.
-     * @param arguments           Command arguments.
-     */
-    public CommandDescription(ExecutableCommand executableCommand, List<String> labels, String description, String detailedDescription, CommandDescription parent, List<CommandArgumentDescription> arguments) {
-        setExecutableCommand(executableCommand);
-        this.labels = labels;
-        this.description = description;
-        this.detailedDescription = detailedDescription;
-        setParent(parent);
-        setArguments(arguments);
-    }
-
     /**
      * Private constructor. Use {@link CommandDescription#builder()} to create instances of this class.
+     * <p />
+     * Note for developers: Instances should be created with {@link CommandDescription#createInstance} to be properly
+     * registered in the command tree.
+     */
+    private CommandDescription() {
+    }
+
+    /**
+     * Create an instance for internal use.
      *
-     * @param executableCommand   The executable command, or null.
      * @param labels              List of command labels.
      * @param description         Command description.
      * @param detailedDescription Detailed comment description.
+     * @param executableCommand   The executable command, or null.
      * @param parent              Parent command.
      * @param arguments           Command arguments.
+     * @param permissions         The permissions required to execute this command.
+     *
+     * @return The created instance
+     * @see CommandDescription#builder()
      */
-    private CommandDescription(List<String> labels, String description, String detailedDescription,
-                               ExecutableCommand executableCommand, CommandDescription parent,
-                               List<CommandArgumentDescription> arguments, boolean noArgumentMaximum,
-                               CommandPermissions permissions) {
-        this.labels = labels;
-        this.description = description;
-        this.detailedDescription = detailedDescription;
-        this.executableCommand = executableCommand;
-        this.parent = parent;
-        this.arguments = arguments;
-        this.noArgumentMaximum = noArgumentMaximum;
-        this.permissions = permissions;
+    private static CommandDescription createInstance(List<String> labels, String description,
+                                                 String detailedDescription, ExecutableCommand executableCommand,
+                                                 CommandDescription parent, List<CommandArgumentDescription> arguments,
+                                                 CommandPermissions permissions) {
+        CommandDescription instance = new CommandDescription();
+        instance.labels = labels;
+        instance.description = description;
+        instance.detailedDescription = detailedDescription;
+        instance.executableCommand = executableCommand;
+        instance.parent = parent;
+        instance.arguments = arguments;
+        instance.permissions = permissions;
 
         if (parent != null) {
-            // Passing `this` in constructor is not very nice; consider creating a "static create()" method instead
-            parent.addChild(this);
+            parent.addChild(instance);
         }
+        return instance;
     }
 
-    /**
-     * Check whether two labels are equal to each other.
-     *
-     * @param commandLabel      The first command label.
-     * @param otherCommandLabel The other command label.
-     *
-     * @return True if the labels are equal to each other.
-     */
-    private static boolean commandLabelEquals(String commandLabel, String otherCommandLabel) {
-        // Trim the command labels from unwanted whitespaces
-        commandLabel = commandLabel.trim();
-        otherCommandLabel = otherCommandLabel.trim();
-
-        // Check whether the the two command labels are equal (case insensitive)
-        return (commandLabel.equalsIgnoreCase(otherCommandLabel));
-    }
-
-
-
     /**
      * Get the label most similar to the reference. The first label will be returned if no reference was supplied.
      *
@@ -190,12 +150,11 @@ public class CommandDescription {
      * @return True if this command label equals to the param command.
      */
     public boolean hasLabel(String commandLabel) {
-        // Check whether any command matches with the argument
-        for (String entry : this.labels)
-            if (commandLabelEquals(entry, commandLabel))
+        for (String label : this.labels) {
+            if (label.equalsIgnoreCase(commandLabel)) {
                 return true;
-
-        // No match found, return false
+            }
+        }
         return false;
     }
 
@@ -208,53 +167,17 @@ public class CommandDescription {
      * @return True if the command reference is suitable to this command label, false otherwise.
      */
     public boolean isSuitableLabel(CommandParts commandReference) {
-        // Make sure the command reference is valid
-        if (commandReference.getCount() <= 0)
-            return false;
-
         // Get the parent count
+        //getParent() = getParent().getParentCount() + 1
         String element = commandReference.get(getParentCount());
 
         // Check whether this command description has this command label
-        return hasLabel(element);
-    }
-
-    /**
-     * Get the absolute command label, without a starting slash.
-     *
-     * @return The absolute label
-     */
-    public String getAbsoluteLabel() {
-        return getAbsoluteLabel(false);
-    }
-
-    /**
-     * Get the absolute command label.
-     *
-     * @param includeSlash boolean
-     *
-     * @return Absolute command label.
-     */
-    public String getAbsoluteLabel(boolean includeSlash) {
-        return getAbsoluteLabel(includeSlash, null);
-    }
-
-    /**
-     * Get the absolute command label.
-     *
-     * @param includeSlash
-     * @param reference
-     *
-     * @return Absolute command label.
-     */
-    public String getAbsoluteLabel(boolean includeSlash, CommandParts reference) {
-        // Get the command reference, and make sure it is valid
-        CommandParts out = getCommandReference(reference);
-        if (out == null)
-            return "";
-
-        // Return the result
-        return (includeSlash ? "/" : "") + out.toString();
+        for (String label : labels) {
+            if (label.equalsIgnoreCase(element)) {
+                return true;
+            }
+        }
+        return false;
     }
 
     /**
@@ -269,8 +192,9 @@ public class CommandDescription {
         List<String> referenceList = new ArrayList<>();
 
         // Check whether this command has a parent, if so, add the absolute parent command
-        if (getParent() != null)
+        if (getParent() != null) {
             referenceList.addAll(getParent().getCommandReference(reference).getList());
+        }
 
         // Get the current label
         referenceList.add(getLabel(reference));
@@ -307,7 +231,8 @@ public class CommandDescription {
         CommandParts reference = getCommandReference(other);
 
         // Compare the two references, return the result
-        return reference.getDifference(new CommandParts(other.getRange(0, reference.getCount())), fullCompare);
+        return CommandUtils.getDifference(reference.getList(),
+            CollectionUtils.getRange(other.getList(), 0, reference.getList().size()), fullCompare);
     }
 
     /**
@@ -328,15 +253,6 @@ public class CommandDescription {
         this.executableCommand = executableCommand;
     }
 
-    /**
-     * Check whether this command is executable, based on the assigned executable command.
-     *
-     * @return True if this command is executable.
-     */
-    public boolean isExecutable() {
-        return this.executableCommand != null;
-    }
-
     /**
      * Execute the command, if possible.
      *
@@ -347,10 +263,6 @@ public class CommandDescription {
      * @return True on success, false on failure.
      */
     public boolean execute(CommandSender sender, CommandParts commandReference, CommandParts commandArguments) {
-        // Make sure the command is executable
-        if (!isExecutable())
-            return false;
-
         // Execute the command, return the result
         return getExecutableCommand().executeCommand(sender, commandReference, commandArguments);
     }
@@ -461,7 +373,7 @@ public class CommandDescription {
      */
     public boolean isChild(CommandDescription commandDescription) {
         // Make sure the description is valid
-        if (commandDescription == null) // TODO: After builder, commandDescription == null -> never
+        if (commandDescription == null)
             return false;
 
         // Check whether this child exists, return the result
@@ -480,10 +392,6 @@ public class CommandDescription {
         if (argument == null)
             return false;
 
-        // Make sure the argument isn't added already
-        if (hasArgument(argument))
-            return true;
-
         // Add the argument, return the result
         return this.arguments.add(argument);
     }
@@ -497,81 +405,13 @@ public class CommandDescription {
         return this.arguments;
     }
 
-    /**
-     * Set the arguments of this command.
-     *
-     * @param arguments New command arguments. Null to clear the list of arguments.
-     */
-    public void setArguments(List<CommandArgumentDescription> arguments) {
-        // Convert null into an empty argument list
-        if (arguments == null) {
-            // Note ljacqu 20151128: Temporary workaround to avoid null pointer exception. Soon we won't need setters
-            // on the main class (-> complete instantiation via Builder)
-            // TODO Remove this method once unused
-            this.arguments = new ArrayList<>();
-        } else {
-            this.arguments = arguments;
-        }
-    }
-
-    /**
-     * Check whether an argument exists.
-     *
-     * @param argument The argument to check for.
-     *
-     * @return True if this argument already exists, false otherwise.
-     */
-    public boolean hasArgument(CommandArgumentDescription argument) {
-        return argument != null && arguments.contains(argument);
-    }
-
     /**
      * Check whether this command has any arguments.
      *
      * @return True if this command has any arguments.
      */
     public boolean hasArguments() {
-        return !arguments.isEmpty();
-    }
-
-    /**
-     * The minimum number of arguments required for this command.
-     *
-     * @return The minimum number of required arguments.
-     */
-    public int getMinimumArguments() {
-        // Get the number of required and optional arguments
-        int requiredArguments = 0;
-        int optionalArgument = 0;
-
-        // Loop through each argument
-        for (CommandArgumentDescription argument : this.arguments) {
-            // Check whether the command is optional
-            if (!argument.isOptional()) {
-                requiredArguments += optionalArgument + 1;
-                optionalArgument = 0;
-
-            } else
-                optionalArgument++;
-        }
-
-        // Return the number of required arguments
-        return requiredArguments;
-    }
-
-    /**
-     * Get the maximum number of arguments.
-     *
-     * @return The maximum number of arguments. A negative number will be returned if there's no maximum.
-     */
-    public int getMaximumArguments() {
-        // Check whether there is a maximum set
-        if (this.noArgumentMaximum)
-            // TODO ljacqu 20151128: Magic number
-            return -1;
-
-        // Return the maximum based on the registered arguments
-        return this.arguments.size();
+        return !getArguments().isEmpty();
     }
 
     /**
@@ -580,16 +420,7 @@ public class CommandDescription {
      * @return Command description.
      */
     public String getDescription() {
-        return hasDescription() ? this.description : this.detailedDescription;
-    }
-
-    /**
-     * Check whether this command has any description.
-     *
-     * @return True if this command has any description.
-     */
-    public boolean hasDescription() {
-        return !StringUtils.isEmpty(description);
+        return description;
     }
 
     /**
@@ -598,7 +429,7 @@ public class CommandDescription {
      * @return Command detailed description.
      */
     public String getDetailedDescription() {
-        return !StringUtils.isEmpty(detailedDescription) ? this.detailedDescription : this.description;
+        return detailedDescription;
     }
 
     /**
@@ -614,16 +445,17 @@ public class CommandDescription {
             return null;
 
         // Check whether this description is for the last element in the command reference, if so return the current command
-        if (queryReference.getCount() <= getParentCount() + 1)
+        if (queryReference.getCount() <= getParentCount() + 1) {
             return new FoundCommandResult(
                 this,
                 getCommandReference(queryReference),
-                new CommandParts(),
+                new CommandParts(new ArrayList<String>()),
                 queryReference);
+        }
 
         // Get the new command reference and arguments
-        CommandParts newReference = new CommandParts(queryReference.getRange(0, getParentCount() + 1));
-        CommandParts newArguments = new CommandParts(queryReference.getRange(getParentCount() + 1));
+        CommandParts newReference = new CommandParts(CollectionUtils.getRange(queryReference.getList(), 0, getParentCount() + 1));
+        CommandParts newArguments = new CommandParts(CollectionUtils.getRange(queryReference.getList(), getParentCount() + 1));
 
         // Handle the child's, if this command has any
         if (getChildren().size() > 0) {
@@ -663,28 +495,6 @@ public class CommandDescription {
         return null;
     }
 
-    /**
-     * Check whether there's any command description that matches the specified command reference.
-     *
-     * @param commandReference The command reference.
-     *
-     * @return True if so, false otherwise.
-     */
-    public boolean hasSuitableCommand(CommandParts commandReference) {
-        return findCommand(commandReference) != null;
-    }
-
-    /**
-     * Check if the remaining command reference elements are suitable with arguments of the current command description.
-     *
-     * @param commandReference The command reference.
-     *
-     * @return True if the arguments are suitable, false otherwise.
-     */
-    public boolean hasSuitableArguments(CommandParts commandReference) {
-        return getSuitableArgumentsDifference(commandReference) == 0;
-    }
-
     /**
      * Check if the remaining command reference elements are suitable with arguments of the current command description,
      * and get the difference in argument count.
@@ -703,16 +513,18 @@ public class CommandDescription {
         int remainingElementCount = commandReference.getCount() - getParentCount() - 1;
 
         // Check if there are too few arguments
-        if (getMinimumArguments() > remainingElementCount) {
-            return Math.abs(getMinimumArguments() - remainingElementCount);
+        int minArguments = CommandUtils.getMinNumberOfArguments(this);
+        if (minArguments > remainingElementCount) {
+            return Math.abs(minArguments - remainingElementCount);
         }
 
         // Check if there are too many arguments
-        if (getMaximumArguments() < remainingElementCount && getMaximumArguments() >= 0) {
-            return Math.abs(remainingElementCount - getMaximumArguments());
+        int maxArguments = CommandUtils.getMaxNumberOfArguments(this);
+        if (maxArguments >= 0 && maxArguments < remainingElementCount) {
+            return Math.abs(remainingElementCount - maxArguments);
         }
 
-        // The arguments seem to be EQUALS, return the result
+        // The argument count is the same
         return 0;
     }
 
@@ -725,89 +537,86 @@ public class CommandDescription {
         return this.permissions;
     }
 
+    public static CommandBuilder builder() {
+        return new CommandBuilder();
+    }
+
     /**
-     * Set the command permissions.
-     *
-     * @param permissionNode    The permission node required.
-     * @param defaultPermission The default permission.
+     * Builder for initializing CommandDescription objects.
      */
-    public void setCommandPermissions(PermissionNode permissionNode, CommandPermissions.DefaultPermission defaultPermission) {
-        this.permissions = new CommandPermissions(permissionNode, defaultPermission);
-    }
-
-    public static Builder builder() {
-        return new Builder();
-    }
-
-    public static final class Builder {
+    public static final class CommandBuilder {
         private List<String> labels;
         private String description;
         private String detailedDescription;
         private ExecutableCommand executableCommand;
         private CommandDescription parent;
         private List<CommandArgumentDescription> arguments = new ArrayList<>();
-        private boolean noArgumentMaximum;
         private CommandPermissions permissions;
 
         /**
-         * Build a CommandDescription from the builder.
+         * Build a CommandDescription from the builder or throw an exception if mandatory
+         * fields have not been set.
          *
          * @return The generated CommandDescription object
          */
         public CommandDescription build() {
-            return new CommandDescription(
+            return createInstance(
                 getOrThrow(labels, "labels"),
                 firstNonNull(description, ""),
                 firstNonNull(detailedDescription, ""),
                 getOrThrow(executableCommand, "executableCommand"),
                 firstNonNull(parent, null),
                 arguments,
-                noArgumentMaximum,
                 firstNonNull(permissions, null)
             );
         }
 
-        public Builder labels(List<String> labels) {
+        public CommandBuilder labels(List<String> labels) {
             this.labels = labels;
             return this;
         }
 
-        public Builder labels(String... labels) {
+        public CommandBuilder labels(String... labels) {
             return labels(asMutableList(labels));
         }
 
-        public Builder description(String description) {
+        public CommandBuilder description(String description) {
             this.description = description;
             return this;
         }
 
-        public Builder detailedDescription(String detailedDescription) {
+        public CommandBuilder detailedDescription(String detailedDescription) {
             this.detailedDescription = detailedDescription;
             return this;
         }
 
-        public Builder executableCommand(ExecutableCommand executableCommand) {
+        public CommandBuilder executableCommand(ExecutableCommand executableCommand) {
             this.executableCommand = executableCommand;
             return this;
         }
 
-        public Builder parent(CommandDescription parent) {
+        public CommandBuilder parent(CommandDescription parent) {
             this.parent = parent;
             return this;
         }
 
-        public Builder withArgument(String label, String description, boolean isOptional) {
+        /**
+         * Add an argument that the command description requires. This method can be called multiples times to add
+         * multiple arguments.
+         *
+         * @param label The label of the argument (single word name of the argument)
+         * @param description The description of the argument
+         * @param isOptional True if the argument is option, false if it is mandatory
+         *
+         * @return The builder
+         */
+        public CommandBuilder withArgument(String label, String description, boolean isOptional) {
             arguments.add(new CommandArgumentDescription(label, description, isOptional));
             return this;
         }
 
-        public Builder noArgumentMaximum(boolean noArgumentMaximum) {
-            this.noArgumentMaximum = noArgumentMaximum;
-            return this;
-        }
-
-        public Builder permissions(CommandPermissions.DefaultPermission defaultPermission,
-                                   PermissionNode... permissionNodes) {
+        public CommandBuilder permissions(DefaultPermission defaultPermission,
+                                          PermissionNode... permissionNodes) {
             this.permissions = new CommandPermissions(asMutableList(permissionNodes), defaultPermission);
             return this;
         }

src/main/java/fr/xephi/authme/command/CommandHandler.java

@@ -2,209 +2,236 @@ package fr.xephi.authme.command;
 
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.command.help.HelpProvider;
+import fr.xephi.authme.util.CollectionUtils;
+import fr.xephi.authme.util.StringUtils;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
+import java.util.Set;
 
 /**
+ * The AuthMe command handler, responsible for mapping incoming commands to the correct {@link CommandDescription}
+ * or to display help messages for unknown invocations.
  */
 public class CommandHandler {
 
     /**
-     * The command manager instance.
+     * The threshold for assuming an existing command. If the difference is below this value, we assume
+     * that the user meant the similar command and we will run it.
      */
-    private CommandManager commandManager;
+    private static final double ASSUME_COMMAND_THRESHOLD = 0.12;
 
     /**
-     * Constructor.
-     *
-     * @param init True to immediately initialize.
+     * The threshold for suggesting a similar command. If the difference is below this value, we will
+     * ask the player whether he meant the similar command.
      */
-    public CommandHandler(boolean init) {
-        // Initialize
-        if (init)
-            init();
+    private static final double SUGGEST_COMMAND_THRESHOLD = 0.75;
+
+    private final Set<CommandDescription> commands;
+
+    /**
+     * Create a command handler.
+     *
+     * @param commands The collection of available AuthMe commands
+     */
+    public CommandHandler(Set<CommandDescription> commands) {
+        this.commands = commands;
     }
 
     /**
-     * Initialize the command handler.
-     *
-     * @return True if succeed, false on failure. True will also be returned if the command handler was already
-     * initialized.
-     */
-    public boolean init() {
-        // Make sure the handler isn't initialized already
-        if (isInit())
-            return true;
-
-        // Initialize the command manager
-        this.commandManager = new CommandManager(false);
-        this.commandManager.registerCommands();
-
-        // Return the result
-        return true;
-    }
-
-    /**
-     * Check whether the command handler is initialized.
-     *
-     * @return True if the command handler is initialized.
-     */
-    public boolean isInit() {
-        return this.commandManager != null;
-    }
-
-    /**
-     * Destroy the command handler.
-     *
-     * @return True if the command handler was destroyed successfully, false otherwise. True will also be returned if
-     * the command handler wasn't initialized.
-     */
-    public boolean destroy() {
-        // Make sure the command handler is initialized
-        if (!isInit())
-            return true;
-
-        // Unset the command manager
-        this.commandManager = null;
-        return true;
-    }
-
-    /**
-     * Get the command manager.
-     *
-     * @return Command manager instance.
-     */
-    public CommandManager getCommandManager() {
-        return this.commandManager;
-    }
-
-    /**
-     * Process a command.
+     * Map a command that was invoked to the proper {@link CommandDescription} or return a useful error
+     * message upon failure.
      *
      * @param sender             The command sender (Bukkit).
-     * @param bukkitCommand      The command (Bukkit).
      * @param bukkitCommandLabel The command label (Bukkit).
      * @param bukkitArgs         The command arguments (Bukkit).
      *
      * @return True if the command was executed, false otherwise.
      */
-    public boolean onCommand(CommandSender sender, org.bukkit.command.Command bukkitCommand, String bukkitCommandLabel, String[] bukkitArgs) {
-        // Process the arguments
-        List<String> args = processArguments(bukkitArgs);
+    public boolean processCommand(CommandSender sender, String bukkitCommandLabel, String[] bukkitArgs) {
+        List<String> commandArgs = skipEmptyArguments(bukkitArgs);
+        // Add the Bukkit command label to the front so we get a list like [authme, register, pass, passConfirm]
+        commandArgs.add(0, bukkitCommandLabel);
 
-        // Create a command reference, and make sure at least one command part is available
-        CommandParts commandReference = new CommandParts(bukkitCommandLabel, args);
-        if (commandReference.getCount() == 0)
-            return false;
+        // TODO: remove commandParts
+        CommandParts commandReference = new CommandParts(commandArgs);
 
         // Get a suitable command for this reference, and make sure it isn't null
-        FoundCommandResult result = this.commandManager.findCommand(commandReference);
+        FoundCommandResult result = findCommand(commandReference);
         if (result == null) {
+            // TODO ljacqu 20151204: Log more information to the console (bukkitCommandLabel)
             sender.sendMessage(ChatColor.DARK_RED + "Failed to parse " + AuthMe.getPluginName() + " command!");
             return false;
         }
 
-        // Get the base command
-        String baseCommand = commandReference.get(0);
+
+        String baseCommand = commandArgs.get(0);
 
         // Make sure the difference between the command reference and the actual command isn't too big
         final double commandDifference = result.getDifference();
-        if (commandDifference > 0.12) {
-            // Show the unknown command warning
-            sender.sendMessage(ChatColor.DARK_RED + "Unknown command!");
+        if (commandDifference <= ASSUME_COMMAND_THRESHOLD) {
 
-            // Show a command suggestion if available and the difference isn't too big
-            if (commandDifference < 0.75)
-                if (result.getCommandDescription() != null)
-                    sender.sendMessage(ChatColor.YELLOW + "Did you mean " + ChatColor.GOLD + "/" + result.getCommandDescription().getCommandReference(commandReference) + ChatColor.YELLOW + "?");
+            // Show a message when the command handler is assuming a command
+            if (commandDifference > 0) {
+                sendCommandAssumptionMessage(sender, result, commandReference);
+            }
 
-            // Show the help command
-            sender.sendMessage(ChatColor.YELLOW + "Use the command " + ChatColor.GOLD + "/" + baseCommand + " help" + ChatColor.YELLOW + " to view help.");
-            return true;
+            if (!result.hasPermission(sender)) {
+                sender.sendMessage(ChatColor.DARK_RED + "You don't have permission to use this command!");
+            } else if (!result.hasProperArguments()) {
+                sendImproperArgumentsMessage(sender, result, commandReference, baseCommand);
+            } else {
+                return result.executeCommand(sender);
+            }
+        } else {
+            sendUnknownCommandMessage(sender, commandDifference, result, baseCommand);
         }
-
-        // Show a message when the command handler is assuming a command
-        if (commandDifference > 0) {
-            // Get the suggested command
-            CommandParts suggestedCommandParts = new CommandParts(result.getCommandDescription().getCommandReference(commandReference));
-
-            // Show the suggested command
-            sender.sendMessage(ChatColor.DARK_RED + "Unknown command, assuming " + ChatColor.GOLD + "/" + suggestedCommandParts +
-                ChatColor.DARK_RED + "!");
-        }
-
-        // Make sure the command is executable
-        if (!result.isExecutable()) {
-            // Get the command reference
-            CommandParts helpCommandReference = new CommandParts(result.getCommandReference().getRange(1));
-
-            // Show the unknown command warning
-            sender.sendMessage(ChatColor.DARK_RED + "Invalid command!");
-
-            // Show the help command
-            sender.sendMessage(ChatColor.YELLOW + "Use the command " + ChatColor.GOLD + "/" + baseCommand + " help " + helpCommandReference + ChatColor.YELLOW + " to view help.");
-            return true;
-        }
-
-        // Make sure the command sender has permission
-        if (!result.hasPermission(sender)) {
-            // Show the no permissions warning
-            sender.sendMessage(ChatColor.DARK_RED + "You don't have permission to use this command!");
-            return true;
-        }
-
-        // Make sure the command sender has permission
-        if (!result.hasProperArguments()) {
-            // Get the command and the suggested command reference
-            CommandParts suggestedCommandReference = new CommandParts(result.getCommandDescription().getCommandReference(commandReference));
-            CommandParts helpCommandReference = new CommandParts(suggestedCommandReference.getRange(1));
-
-            // Show the invalid arguments warning
-            sender.sendMessage(ChatColor.DARK_RED + "Incorrect command arguments!");
-
-            // Show the command argument help
-            HelpProvider.showHelp(sender, commandReference, suggestedCommandReference, true, false, true, false, false, false);
-
-            // Show the command to use for detailed help
-            sender.sendMessage(ChatColor.GOLD + "Detailed help: " + ChatColor.WHITE + "/" + baseCommand + " help " + helpCommandReference);
-            return true;
-        }
-
-        // Execute the command if it's suitable
-        return result.executeCommand(sender);
+        return true;
     }
 
     /**
-     * Process the command arguments, and return them as an array list.
+     * Skip all entries of the given array that are simply whitespace.
      *
-     * @param args The command arguments to process.
-     *
-     * @return The processed command arguments.
+     * @param args The array to process
+     * @return List of the items that are not empty
      */
-    private List<String> processArguments(String[] args) {
-        // Convert the array into a list of arguments
-        List<String> arguments = new ArrayList<>(Arrays.asList(args));
-
-        /// Remove all empty arguments
-        for (int i = 0; i < arguments.size(); i++) {
-            // Get the argument value
-            final String arg = arguments.get(i);
-
-            // Check whether the argument value is empty
-            if (arg.trim().length() == 0) {
-                // Remove the current argument
-                arguments.remove(i);
-
-                // Decrease the index by one, continue to the next argument
-                i--;
+    private static List<String> skipEmptyArguments(String[] args) {
+        List<String> cleanArguments = new ArrayList<>(args.length);
+        for (String argument : args) {
+            if (!StringUtils.isEmpty(argument)) {
+                cleanArguments.add(argument);
             }
         }
+        return cleanArguments;
+    }
 
-        // Return the argument
-        return arguments;
+
+    private static CommandDescription mapToBase(String commandLabel) {
+        for (CommandDescription command : CommandInitializer.getBaseCommands()) {
+            if (command.getLabels().contains(commandLabel)) {
+                return command;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Find the best suitable command for the specified reference.
+     *
+     * @param queryReference The query reference to find a command for.
+     *
+     * @return The command found, or null.
+     */
+    public FoundCommandResult findCommand(CommandParts queryReference) {
+        // Make sure the command reference is valid
+        if (queryReference.getCount() <= 0)
+            return null;
+
+        for (CommandDescription commandDescription : commands) {
+            // Check whether there's a command description available for the
+            // current command
+            if (!commandDescription.isSuitableLabel(queryReference))
+                continue;
+
+            // Find the command reference, return the result
+            return commandDescription.findCommand(queryReference);
+        }
+
+        // No applicable command description found, return false
+        return null;
+    }
+
+    /**
+     * Find the best suitable command for the specified reference.
+     *
+     * @param commandParts The query reference to find a command for.
+     *
+     * @return The command found, or null.
+     */
+    private CommandDescription findCommand(List<String> commandParts) {
+        // Make sure the command reference is valid
+        if (commandParts.isEmpty()) {
+            return null;
+        }
+
+        // TODO ljacqu 20151129: Since we only use .contains() on the CommandDescription#labels after init, change
+        // the type to set for faster lookup
+        Iterable<CommandDescription> commandsToScan = CommandInitializer.getBaseCommands();
+        CommandDescription result = null;
+        for (String label : commandParts) {
+            result = findLabel(label, commandsToScan);
+            if (result == null) {
+                return null;
+            }
+            commandsToScan = result.getChildren();
+        }
+        return result;
+    }
+
+    private static CommandDescription findLabel(String label, Iterable<CommandDescription> commands) {
+        if (commands == null) {
+            return null;
+        }
+        for (CommandDescription command : commands) {
+            if (command.getLabels().contains(label)) { // TODO ljacqu should be case-insensitive
+                return command;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Show an "unknown command" to the user and suggests an existing command if its similarity is within
+     * the defined threshold.
+     *
+     * @param sender The command sender
+     * @param commandDifference The difference between the invoked command and the existing one
+     * @param result The command that was found during the mapping process
+     * @param baseCommand The base command (TODO: This is probably already in FoundCommandResult)
+     */
+    private static void sendUnknownCommandMessage(CommandSender sender, double commandDifference,
+                                                  FoundCommandResult result, String baseCommand) {
+        CommandParts commandReference = result.getCommandReference();
+        sender.sendMessage(ChatColor.DARK_RED + "Unknown command!");
+
+
+        // Show a command suggestion if available and the difference isn't too big
+        if (commandDifference < SUGGEST_COMMAND_THRESHOLD && result.getCommandDescription() != null) {
+            sender.sendMessage(ChatColor.YELLOW + "Did you mean " + ChatColor.GOLD + "/"
+                + result.getCommandDescription().getCommandReference(commandReference) + ChatColor.YELLOW + "?");
+        }
+
+        sender.sendMessage(ChatColor.YELLOW + "Use the command " + ChatColor.GOLD + "/" + baseCommand + " help"
+            + ChatColor.YELLOW + " to view help.");
+    }
+
+    private static void sendImproperArgumentsMessage(CommandSender sender, FoundCommandResult result,
+                                                     CommandParts commandReference, String baseCommand) {
+        // Get the command and the suggested command reference
+        List<String> suggestedCommandReference =
+            result.getCommandDescription().getCommandReference(commandReference).getList();
+        List<String> helpCommandReference = CollectionUtils.getRange(suggestedCommandReference, 1);
+
+        // Show the invalid arguments warning
+        sender.sendMessage(ChatColor.DARK_RED + "Incorrect command arguments!");
+
+        // Show the command argument help
+        HelpProvider.showHelp(sender, commandReference, new CommandParts(suggestedCommandReference),
+            true, false, true, false, false, false);
+
+        // Show the command to use for detailed help
+        sender.sendMessage(ChatColor.GOLD + "Detailed help: " + ChatColor.WHITE + "/" + baseCommand
+            + " help " + CommandUtils.labelsToString(helpCommandReference));
+    }
+
+    private static void sendCommandAssumptionMessage(CommandSender sender, FoundCommandResult result,
+                                                     CommandParts commandReference) {
+        List<String> assumedCommandParts =
+            result.getCommandDescription().getCommandReference(commandReference).getList();
+
+        sender.sendMessage(ChatColor.DARK_RED + "Unknown command, assuming " + ChatColor.GOLD + "/"
+            + CommandUtils.labelsToString(assumedCommandParts) + ChatColor.DARK_RED + "!");
     }
 }

src/main/java/fr/xephi/authme/command/CommandInitializer.java

@@ -0,0 +1,509 @@
+package fr.xephi.authme.command;
+
+import fr.xephi.authme.command.executable.HelpCommand;
+import fr.xephi.authme.command.executable.authme.AccountsCommand;
+import fr.xephi.authme.command.executable.authme.AuthMeCommand;
+import fr.xephi.authme.command.executable.authme.ChangePasswordAdminCommand;
+import fr.xephi.authme.command.executable.authme.FirstSpawnCommand;
+import fr.xephi.authme.command.executable.authme.ForceLoginCommand;
+import fr.xephi.authme.command.executable.authme.GetEmailCommand;
+import fr.xephi.authme.command.executable.authme.GetIpCommand;
+import fr.xephi.authme.command.executable.authme.LastLoginCommand;
+import fr.xephi.authme.command.executable.authme.PurgeBannedPlayersCommand;
+import fr.xephi.authme.command.executable.authme.PurgeCommand;
+import fr.xephi.authme.command.executable.authme.PurgeLastPositionCommand;
+import fr.xephi.authme.command.executable.authme.RegisterAdminCommand;
+import fr.xephi.authme.command.executable.authme.ReloadCommand;
+import fr.xephi.authme.command.executable.authme.SetEmailCommand;
+import fr.xephi.authme.command.executable.authme.SetFirstSpawnCommand;
+import fr.xephi.authme.command.executable.authme.SetSpawnCommand;
+import fr.xephi.authme.command.executable.authme.SpawnCommand;
+import fr.xephi.authme.command.executable.authme.SwitchAntiBotCommand;
+import fr.xephi.authme.command.executable.authme.UnregisterAdminCommand;
+import fr.xephi.authme.command.executable.authme.VersionCommand;
+import fr.xephi.authme.command.executable.captcha.CaptchaCommand;
+import fr.xephi.authme.command.executable.changepassword.ChangePasswordCommand;
+import fr.xephi.authme.command.executable.converter.ConverterCommand;
+import fr.xephi.authme.command.executable.email.AddEmailCommand;
+import fr.xephi.authme.command.executable.email.ChangeEmailCommand;
+import fr.xephi.authme.command.executable.email.RecoverEmailCommand;
+import fr.xephi.authme.command.executable.login.LoginCommand;
+import fr.xephi.authme.command.executable.logout.LogoutCommand;
+import fr.xephi.authme.command.executable.register.RegisterCommand;
+import fr.xephi.authme.command.executable.unregister.UnregisterCommand;
+import fr.xephi.authme.permission.AdminPermission;
+import fr.xephi.authme.permission.PlayerPermission;
+import fr.xephi.authme.util.Wrapper;
+
+import java.util.*;
+
+import static fr.xephi.authme.permission.DefaultPermission.ALLOWED;
+import static fr.xephi.authme.permission.DefaultPermission.OP_ONLY;
+
+/**
+ * Initializes all available AuthMe commands.
+ */
+public final class CommandInitializer {
+
+    private static Set<CommandDescription> baseCommands;
+
+    private CommandInitializer() {
+        // Helper class
+    }
+
+    public static Set<CommandDescription> getBaseCommands() {
+        if (baseCommands == null) {
+            Wrapper.getInstance().getLogger().info("Initializing AuthMe commands");
+            initializeCommands();
+        }
+        return baseCommands;
+    }
+
+    private static void initializeCommands() {
+        // Create a list of help command labels
+        final List<String> helpCommandLabels = Arrays.asList("help", "hlp", "h", "sos", "?");
+        final ExecutableCommand helpCommandExecutable = new HelpCommand();
+
+        // Register the base AuthMe Reloaded command
+        final CommandDescription AUTHME_BASE = CommandDescription.builder()
+            .labels("authme")
+            .description("Main command")
+            .detailedDescription("The main AuthMeReloaded command. The root for all admin commands.")
+            .executableCommand(new AuthMeCommand())
+            .build();
+
+        // Register the help command
+        CommandDescription.builder()
+            .parent(AUTHME_BASE)
+            .labels(helpCommandLabels)
+            .description("View help")
+            .detailedDescription("View detailed help pages about AuthMeReloaded commands.")
+            .withArgument("query", "The command or query to view help for.", true)
+            .executableCommand(helpCommandExecutable)
+            .build();
+
+        // Register the register command
+        CommandDescription.builder()
+            .parent(AUTHME_BASE)
+            .labels("register", "reg", "r")
+            .description("Register a player")
+            .detailedDescription("Register the specified player with the specified password.")
+            .withArgument("player", "Player name", false)
+            .withArgument("password", "Password", false)
+            .permissions(OP_ONLY, AdminPermission.REGISTER)
+            .executableCommand(new RegisterAdminCommand())
+            .build();
+
+        // Register the unregister command
+        CommandDescription.builder()
+            .parent(AUTHME_BASE)
+            .labels("unregister", "unreg", "unr")
+            .description("Unregister a player")
+            .detailedDescription("Unregister the specified player.")
+            .withArgument("player", "Player name", false)
+            .permissions(OP_ONLY, AdminPermission.UNREGISTER)
+            .executableCommand(new UnregisterAdminCommand())
+            .build();
+
+        // Register the forcelogin command
+        CommandDescription.builder()
+            .parent(AUTHME_BASE)
+            .labels("forcelogin", "login")
+            .description("Enforce login player")
+            .detailedDescription("Enforce the specified player to login.")
+            .withArgument("player", "Online player name", true)
+            .permissions(OP_ONLY, PlayerPermission.CAN_LOGIN_BE_FORCED)
+            .executableCommand(new ForceLoginCommand())
+            .build();
+
+        // Register the changepassword command
+        CommandDescription.builder()
+            .parent(AUTHME_BASE)
+            .labels("password", "changepassword", "changepass", "cp")
+            .description("Change a player's password")
+            .detailedDescription("Change the password of a player.")
+            .withArgument("player", "Player name", false)
+            .withArgument("pwd", "New password", false)
+            .permissions(OP_ONLY, AdminPermission.CHANGE_PASSWORD)
+            .executableCommand(new ChangePasswordAdminCommand())
+            .build();
+
+        // Register the last login command
+        CommandDescription.builder()
+            .parent(AUTHME_BASE)
+            .labels("lastlogin", "ll")
+            .description("Player's last login")
+            .detailedDescription("View the date of the specified players last login.")
+            .withArgument("player", "Player name", true)
+            .permissions(OP_ONLY, AdminPermission.LAST_LOGIN)
+            .executableCommand(new LastLoginCommand())
+            .build();
+
+        // Register the accounts command
+        CommandDescription.builder()
+            .parent(AUTHME_BASE)
+            .labels("accounts", "account")
+            .description("Display player accounts")
+            .detailedDescription("Display all accounts of a player by his player name or IP.")
+            .withArgument("player", "Player name or IP", true)
+            .permissions(OP_ONLY, AdminPermission.ACCOUNTS)
+            .executableCommand(new AccountsCommand())
+            .build();
+
+        // Register the getemail command
+        CommandDescription.builder()
+            .parent(AUTHME_BASE)
+            .labels("getemail", "getmail", "email", "mail")
+            .description("Display player's email")
+            .detailedDescription("Display the email address of the specified player if set.")
+            .permissions(OP_ONLY, AdminPermission.GET_EMAIL)
+            .withArgument("player", "Player name", true)
+            .executableCommand(new GetEmailCommand())
+            .build();
+
+        // Register the setemail command
+        CommandDescription.builder()
+            .executableCommand(new SetEmailCommand())
+            .parent(AUTHME_BASE)
+            .labels("chgemail", "chgmail", "setemail", "setmail")
+            .description("Change player's email")
+            .detailedDescription("Change the email address of the specified player.")
+            .permissions(OP_ONLY, AdminPermission.CHANGE_EMAIL)
+            .withArgument("player", "Player name", false)
+            .withArgument("email", "Player email", false)
+            .build();
+
+        // Register the getip command
+        CommandDescription.builder()
+        		.executableCommand(new GetIpCommand())
+        		.parent(AUTHME_BASE)
+        		.labels("getip", "ip")
+        		.description("Get player's IP")
+        		.detailedDescription("Get the IP address of the specified online player.")
+        		.permissions(OP_ONLY, AdminPermission.GET_IP)
+        		.withArgument("player", "Player Name", false)
+        		.build();
+
+        // Register the spawn command
+        CommandDescription.builder()
+        		.executableCommand(new SpawnCommand())
+        		.parent(AUTHME_BASE)
+        		.labels("spawn", "home")
+        		.description("Teleport to spawn")
+        		.detailedDescription("Teleport to the spawn.")
+        		.permissions(OP_ONLY, AdminPermission.SPAWN)
+        		.withArgument("player", "Player Name", false)
+        		.build();
+
+        // Register the setspawn command
+        CommandDescription.builder()
+        		.executableCommand(new SetSpawnCommand())
+        		.parent(AUTHME_BASE)
+        		.labels("setspawn", "chgspawn")
+        		.description("Change the spawn")
+        		.detailedDescription("Change the player's spawn to your current position.")
+        		.permissions(OP_ONLY, AdminPermission.SET_SPAWN)
+        		.build();
+
+        // Register the firstspawn command
+        CommandDescription.builder()
+        		.executableCommand(new FirstSpawnCommand())
+        		.parent(AUTHME_BASE)
+        		.labels("firstspawn", "firsthome")
+        		.description("Teleport to first spawn")
+        		.detailedDescription("Teleport to the first spawn.")
+        		.permissions(OP_ONLY, AdminPermission.FIRST_SPAWN)
+        		.build();
+
+        // Register the setfirstspawn command
+        CommandDescription.builder()
+        		.executableCommand(new SetFirstSpawnCommand())
+        		.parent(AUTHME_BASE)
+        		.labels("setfirstspawn", "chgfirstspawn")
+        		.description("Change the first spawn")
+        		.detailedDescription("Change the first player's spawn to your current position.")
+        		.permissions(OP_ONLY, AdminPermission.SET_FIRST_SPAWN)
+        		.build();
+
+        // Register the purge command
+        CommandDescription.builder()
+        		.executableCommand(new PurgeCommand())
+        		.parent(AUTHME_BASE)
+        		.labels("purge", "delete")
+        		.description("Purge old data")
+        		.detailedDescription("Purge old AuthMeReloaded data longer than the specified amount of days ago.")
+        		.permissions(OP_ONLY, AdminPermission.PURGE)
+        		.withArgument("days", "Number of days", false)
+        		.build();
+
+        // Register the purgelastposition command
+        CommandDescription.builder()
+        		.executableCommand(new PurgeLastPositionCommand())
+        		.parent(AUTHME_BASE)
+        		.labels("resetpos", "purgelastposition", "purgelastpos", "resetposition",
+                    "resetlastposition", "resetlastpos")
+        		.description("Purge player's last position")
+        		.detailedDescription("Purge the last know position of the specified player.")
+        		.permissions(OP_ONLY, AdminPermission.PURGE_LAST_POSITION)
+        		.withArgument("player", "Player name", false)
+        		.build();
+
+        // Register the purgebannedplayers command
+        CommandDescription.builder()
+        		.executableCommand(new PurgeBannedPlayersCommand())
+        		.parent(AUTHME_BASE)
+        		.labels("purgebannedplayers", "purgebannedplayer", "deletebannedplayers", "deletebannedplayer")
+        		.description("Purge banned players data")
+        		.detailedDescription("Purge all AuthMeReloaded data for banned players.")
+        		.permissions(OP_ONLY, AdminPermission.PURGE_BANNED_PLAYERS)
+        		.build();
+
+        // Register the switchantibot command
+        CommandDescription.builder()
+        		.executableCommand(new SwitchAntiBotCommand())
+        		.parent(AUTHME_BASE)
+        		.labels("switchantibot", "toggleantibot", "antibot")
+        		.description("Switch AntiBot mode")
+        		.detailedDescription("Switch or toggle the AntiBot mode to the specified state.")
+        		.permissions(OP_ONLY, AdminPermission.SWITCH_ANTIBOT)
+        		.withArgument("mode", "ON / OFF", true)
+        		.build();
+
+        // Register the reload command
+        CommandDescription.builder()
+        		.executableCommand(new ReloadCommand())
+        		.parent(AUTHME_BASE)
+        		.labels("reload", "rld")
+        		.description("Reload plugin")
+        		.detailedDescription("Reload the AuthMeReloaded plugin.")
+        		.permissions(OP_ONLY, AdminPermission.RELOAD)
+        		.build();
+
+        // Register the version command
+        CommandDescription.builder()
+            .parent(AUTHME_BASE)
+            .labels("version", "ver", "v", "about", "info")
+            .description("Version info")
+            .detailedDescription("Show detailed information about the installed AuthMeReloaded version, and shows the "
+                + "developers, contributors, license and other information.")
+            .executableCommand(new VersionCommand())
+            .build();
+
+        // Register the base login command
+        final CommandDescription LOGIN_BASE = CommandDescription.builder()
+            .executableCommand(new LoginCommand())
+            .labels("login", "l")
+            .description("Login command")
+            .detailedDescription("Command to log in using AuthMeReloaded.")
+            .parent(null)
+            .permissions(ALLOWED, PlayerPermission.LOGIN)
+            .withArgument("password", "Login password", false)
+            .build();
+
+        // Register the help command
+        CommandDescription.builder()
+        		.executableCommand(helpCommandExecutable)
+        		.parent(LOGIN_BASE)
+        		.labels(helpCommandLabels)
+        		.description("View Help")
+        		.detailedDescription("View detailed help pages about AuthMeReloaded login commands.")
+        		.withArgument("query", "The command or query to view help for.", true)
+        		.build();
+
+        // Register the base logout command
+        CommandDescription LOGOUT_BASE = CommandDescription.builder()
+        		.executableCommand(new LogoutCommand())
+        		.parent(null)
+        		.labels("logout")
+        		.description("Logout command")
+        		.detailedDescription("Command to logout using AuthMeReloaded.")
+        		.permissions(ALLOWED, PlayerPermission.LOGOUT)
+        		.build();
+
+        // Register the help command
+        CommandDescription.builder()
+        		.executableCommand(helpCommandExecutable)
+        		.parent(LOGOUT_BASE)
+        		.labels(helpCommandLabels)
+        		.description("View help")
+        		.detailedDescription("View detailed help pages about AuthMeReloaded logout commands.")
+        		.withArgument("query", "The command or query to view help for.", true)
+        		.build();
+
+        // Register the base register command
+        final CommandDescription REGISTER_BASE = CommandDescription.builder()
+            .parent(null)
+            .labels("register", "reg")
+            .description("Registration command")
+            .detailedDescription("Command to register using AuthMeReloaded.")
+            .withArgument("password", "Password", false)
+            .withArgument("verifyPassword", "Verify password", false)
+            .permissions(ALLOWED, PlayerPermission.REGISTER)
+            .executableCommand(new RegisterCommand())
+            .build();
+
+        // Register the help command
+        CommandDescription.builder()
+        		.executableCommand(helpCommandExecutable)
+        		.parent(REGISTER_BASE)
+        		.labels(helpCommandLabels)
+        		.description("View help")
+        		.detailedDescription("View detailed help pages about AuthMeReloaded register commands.")
+        		.withArgument("query", "The command or query to view help for.", true)
+        		.build();
+
+        // Register the base unregister command
+        CommandDescription UNREGISTER_BASE = CommandDescription.builder()
+        		.executableCommand(new UnregisterCommand())
+        		.parent(null)
+        		.labels("unreg", "unregister")
+        		.description("Unregistration Command")
+        		.detailedDescription("Command to unregister using AuthMeReloaded.")
+        		.permissions(ALLOWED, PlayerPermission.UNREGISTER)
+        		.withArgument("password", "Password", false)
+        		.build();
+
+        // Register the help command
+        CommandDescription.builder()
+        		.executableCommand(helpCommandExecutable)
+        		.parent(UNREGISTER_BASE)
+        		.labels(helpCommandLabels)
+        		.description("View help")
+        		.detailedDescription("View detailed help pages about AuthMeReloaded unregister commands.")
+        		.withArgument("query", "The command or query to view help for.", true)
+        		.build();
+
+        // Register the base changepassword command
+        final CommandDescription CHANGE_PASSWORD_BASE = CommandDescription.builder()
+        		.executableCommand(new ChangePasswordCommand())
+        		.parent(null)
+        		.labels("changepassword", "changepass", "cp")
+        		.description("Change password Command")
+        		.detailedDescription("Command to change your password using AuthMeReloaded.")
+        		.permissions(ALLOWED, PlayerPermission.CHANGE_PASSWORD)
+        		.withArgument("password", "Password", false)
+        		.withArgument("verifyPassword", "Verify password.", false)
+        		.build();
+
+        // Register the help command
+        CommandDescription.builder()
+        		.executableCommand(helpCommandExecutable)
+        		.parent(CHANGE_PASSWORD_BASE)
+        		.labels(helpCommandLabels)
+        		.description("View help")
+        		.detailedDescription("View detailed help pages about AuthMeReloaded changepassword commands.")
+        		.withArgument("query", "The command or query to view help for.", true)
+        		.build();
+
+        // Register the base Email command
+        CommandDescription EMAIL_BASE = CommandDescription.builder()
+        		.executableCommand(helpCommandExecutable)
+        		.parent(null)
+        		.labels("email", "mail")
+        		.description("Email command")
+        		.detailedDescription("The AuthMeReloaded Email command base.")
+        		.build();
+
+        // Register the help command
+        CommandDescription.builder()
+        		.executableCommand(helpCommandExecutable)
+        		.parent(EMAIL_BASE)
+        		.labels(helpCommandLabels)
+        		.description("View help")
+        		.detailedDescription("View detailed help pages about AuthMeReloaded email commands.")
+        		.withArgument("query", "The command or query to view help for.", true)
+        		.build();
+
+        // Register the add command
+        CommandDescription.builder()
+        		.executableCommand(new AddEmailCommand())
+        		.parent(EMAIL_BASE)
+        		.labels("add", "addemail", "addmail")
+        		.description("Add Email")
+        		.detailedDescription("Add a new email address to your account.")
+        		.permissions(ALLOWED, PlayerPermission.ADD_EMAIL)
+        		.withArgument("email", "Email address", false)
+        		.withArgument("verifyEmail", "Email address verification", false)
+        		.build();
+
+        // Register the change command
+        CommandDescription.builder()
+        		.executableCommand(new ChangeEmailCommand())
+        		.parent(EMAIL_BASE)
+        		.labels("change", "changeemail", "changemail")
+        		.description("Change Email")
+        		.detailedDescription("Change an email address of your account.")
+        		.permissions(ALLOWED, PlayerPermission.CHANGE_EMAIL)
+        		.withArgument("oldEmail", "Old email address", false)
+        		.withArgument("newEmail", "New email address", false)
+        		.build();
+
+
+        // Register the recover command
+        CommandDescription.builder()
+        		.executableCommand(new RecoverEmailCommand())
+        		.parent(EMAIL_BASE)
+        		.labels("recover", "recovery", "recoveremail", "recovermail")
+        		.description("Recover password using Email")
+        		.detailedDescription("Recover your account using an Email address by sending a mail containing " +
+                    "a new password.")
+        		.permissions(ALLOWED, PlayerPermission.RECOVER_EMAIL)
+        		.withArgument("email", "Email address", false)
+        		.build();
+
+        // Register the base captcha command
+        CommandDescription CAPTCHA_BASE = CommandDescription.builder()
+        		.executableCommand(new CaptchaCommand())
+        		.parent(null)
+        		.labels("captcha", "capt")
+        		.description("Captcha Command")
+        		.detailedDescription("Captcha command for AuthMeReloaded.")
+        		.permissions(ALLOWED, PlayerPermission.CAPTCHA)
+        		.withArgument("captcha", "The Captcha", false)
+        		.build();
+
+        // Register the help command
+        CommandDescription.builder()
+        		.executableCommand(helpCommandExecutable)
+        		.parent(CAPTCHA_BASE)
+        		.labels(helpCommandLabels)
+        		.description("View help")
+        		.detailedDescription("View detailed help pages about AuthMeReloaded captcha commands.")
+        		.withArgument("query", "The command or query to view help for.", true)
+        		.build();
+
+        // Register the base converter command
+        CommandDescription CONVERTER_BASE = CommandDescription.builder()
+        		.executableCommand(new ConverterCommand())
+        		.parent(null)
+        		.labels("converter", "convert", "conv")
+        		.description("Converter Command")
+        		.detailedDescription("Converter command for AuthMeReloaded.")
+        		.permissions(OP_ONLY, AdminPermission.CONVERTER)
+        		.withArgument("job", "Conversion job: flattosql / flattosqlite /| xauth / crazylogin / rakamak / " +
+                    "royalauth / vauth / sqltoflat", false)
+        		.build();
+
+        // Register the help command
+        CommandDescription.builder()
+        		.executableCommand(helpCommandExecutable)
+        		.parent(CONVERTER_BASE)
+        		.labels(helpCommandLabels)
+        		.description("View help")
+        		.detailedDescription("View detailed help pages about AuthMeReloaded converter commands.")
+        		.withArgument("query", "The command or query to view help for.", true)
+        		.build();
+
+        // Add the base commands to the commands array
+        baseCommands = new HashSet<>(Arrays.asList(
+            AUTHME_BASE,
+            LOGIN_BASE,
+            LOGOUT_BASE,
+            REGISTER_BASE,
+            UNREGISTER_BASE,
+            CHANGE_PASSWORD_BASE,
+            EMAIL_BASE,
+            CAPTCHA_BASE,
+            CONVERTER_BASE));
+    }
+}

src/main/java/fr/xephi/authme/command/CommandManager.java

@@ -1,519 +0,0 @@
-package fr.xephi.authme.command;
-
-import fr.xephi.authme.command.executable.HelpCommand;
-import fr.xephi.authme.command.executable.authme.*;
-import fr.xephi.authme.command.executable.captcha.CaptchaCommand;
-import fr.xephi.authme.command.executable.converter.ConverterCommand;
-import fr.xephi.authme.command.executable.email.AddEmailCommand;
-import fr.xephi.authme.command.executable.email.ChangeEmailCommand;
-import fr.xephi.authme.command.executable.email.RecoverEmailCommand;
-import fr.xephi.authme.command.executable.login.LoginCommand;
-import fr.xephi.authme.command.executable.logout.LogoutCommand;
-import fr.xephi.authme.permission.AdminPermission;
-import fr.xephi.authme.permission.UserPermission;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
-import static fr.xephi.authme.command.CommandPermissions.DefaultPermission.ALLOWED;
-import static fr.xephi.authme.command.CommandPermissions.DefaultPermission.OP_ONLY;
-
-/**
- */
-public class CommandManager {
-
-    /**
-     * The list of commandDescriptions.
-     */
-    private final List<CommandDescription> commandDescriptions = new ArrayList<>();
-
-    /**
-     * Constructor.
-     *
-     * @param registerCommands True to register the commands, false otherwise.
-     */
-    public CommandManager(boolean registerCommands) {
-        // Register the commands
-        if (registerCommands)
-            registerCommands();
-    }
-
-    /**
-     * Register all commands.
-     */
-    public void registerCommands() {
-        // Create a list of help command labels
-        final List<String> helpCommandLabels = Arrays.asList("help", "hlp", "h", "sos", "?");
-        ExecutableCommand helpCommandExecutable = new HelpCommand();
-
-        // Register the base AuthMe Reloaded command
-        CommandDescription authMeBaseCommand = CommandDescription.builder()
-            .executableCommand(new AuthMeCommand())
-            .labels("authme")
-            .description("Main command")
-            .detailedDescription("The main AuthMeReloaded command. The root for all admin commands.")
-            .parent(null)
-            .build();
-
-        // Register the help command
-        CommandDescription authMeHelpCommand = CommandDescription.builder()
-            .executableCommand(helpCommandExecutable)
-            .labels(helpCommandLabels)
-            .description("View help")
-            .detailedDescription("View detailed help pages about AuthMeReloaded commands.")
-            .parent(authMeBaseCommand)
-            .withArgument("query", "The command or query to view help for.", true)
-            .build();
-
-        // Register the register command
-        CommandDescription registerCommand = CommandDescription.builder()
-            .executableCommand(new RegisterCommand())
-            .labels("register", "reg", "r")
-            .description("Register a player")
-            .detailedDescription("Register the specified player with the specified password.")
-            .parent(authMeBaseCommand)
-            .permissions(OP_ONLY, UserPermission.REGISTER)
-            .withArgument("player", "Player name", false)
-            .withArgument("password", "Password", false)
-            .build();
-
-        // Register the unregister command
-        CommandDescription unregisterCommand = CommandDescription.builder()
-            .executableCommand(new UnregisterCommand())
-            .labels("unregister", "unreg", "unr")
-            .description("Unregister a player")
-            .detailedDescription("Unregister the specified player.")
-            .parent(authMeBaseCommand)
-            .permissions(OP_ONLY, UserPermission.UNREGISTER)
-            .withArgument("player", "Player name", false)
-            .build();
-
-        // Register the forcelogin command
-        CommandDescription forceLoginCommand = CommandDescription.builder()
-            .executableCommand(new ForceLoginCommand())
-            .labels("forcelogin", "login")
-            .description("Enforce login player")
-            .detailedDescription("Enforce the specified player to login.")
-            .parent(authMeBaseCommand)
-            .permissions(OP_ONLY, UserPermission.CAN_LOGIN_BE_FORCED)
-            .withArgument("player", "Online player name", true)
-            .build();
-
-        // Register the changepassword command
-        CommandDescription changePasswordCommand = CommandDescription.builder()
-            .executableCommand(new ChangePasswordCommand())
-            .labels("password", "changepassword", "changepass", "cp")
-            .description("Change a player's password")
-            .detailedDescription("Change the password of a player.")
-            .parent(authMeBaseCommand)
-            .permissions(OP_ONLY, UserPermission.CHANGE_PASSWORD)
-            .withArgument("player", "Player name", false)
-            .withArgument("pwd", "New password", false)
-            .build();
-
-        // Register the last login command
-        CommandDescription lastLoginCommand = CommandDescription.builder()
-            .executableCommand(new LastLoginCommand())
-            .labels("lastlogin", "ll")
-            .description("Player's last login")
-            .detailedDescription("View the date of the specified players last login.")
-            .parent(authMeBaseCommand)
-            .permissions(OP_ONLY, AdminPermission.LAST_LOGIN)
-            .withArgument("player", "Player name", true)
-            .build();
-
-        // Register the accounts command
-        CommandDescription accountsCommand = CommandDescription.builder()
-            .executableCommand(new AccountsCommand())
-            .labels("accounts", "account")
-            .description("Display player accounts")
-            .detailedDescription("Display all accounts of a player by his player name or IP.")
-            .parent(authMeBaseCommand)
-            .permissions(OP_ONLY, AdminPermission.ACCOUNTS)
-            .withArgument("player", "Player name or IP", true)
-            .build();
-
-        // Register the getemail command
-        CommandDescription getEmailCommand = new CommandDescription(new GetEmailCommand(), new ArrayList<String>() {
-
-            {
-                add("getemail");
-                add("getmail");
-                add("email");
-                add("mail");
-            }
-        }, "Display player's email", "Display the email address of the specified player if set.", authMeBaseCommand);
-        getEmailCommand.setCommandPermissions(AdminPermission.GET_EMAIL, OP_ONLY);
-        getEmailCommand.addArgument(new CommandArgumentDescription("player", "Player name", true));
-
-        // Register the setemail command
-        CommandDescription setEmailCommand = new CommandDescription(new SetEmailCommand(), new ArrayList<String>() {
-
-            {
-                add("chgemail");
-                add("chgmail");
-                add("setemail");
-                add("setmail");
-            }
-        }, "Change player's email", "Change the email address of the specified player.", authMeBaseCommand);
-        setEmailCommand.setCommandPermissions(AdminPermission.CHANGE_EMAIL, OP_ONLY);
-        setEmailCommand.addArgument(new CommandArgumentDescription("player", "Player name", false));
-        setEmailCommand.addArgument(new CommandArgumentDescription("email", "Player email", false));
-
-        // Register the getip command
-        CommandDescription getIpCommand = new CommandDescription(new GetIpCommand(), new ArrayList<String>() {
-
-            {
-                add("getip");
-                add("ip");
-            }
-        }, "Get player's IP", "Get the IP address of the specified online player.", authMeBaseCommand);
-        getIpCommand.setCommandPermissions(AdminPermission.GET_IP, OP_ONLY);
-        getIpCommand.addArgument(new CommandArgumentDescription("player", "Online player name", true));
-
-        // Register the spawn command
-        CommandDescription spawnCommand = new CommandDescription(new SpawnCommand(), new ArrayList<String>() {
-
-            {
-                add("spawn");
-                add("home");
-            }
-        }, "Teleport to spawn", "Teleport to the spawn.", authMeBaseCommand);
-        spawnCommand.setCommandPermissions(AdminPermission.SPAWN, OP_ONLY);
-
-        // Register the setspawn command
-        CommandDescription setSpawnCommand = new CommandDescription(new SetSpawnCommand(), new ArrayList<String>() {
-
-            {
-                add("setspawn");
-                add("chgspawn");
-            }
-        }, "Change the spawn", "Change the player's spawn to your current position.", authMeBaseCommand);
-        setSpawnCommand.setCommandPermissions(AdminPermission.SET_SPAWN, OP_ONLY);
-
-        // Register the firstspawn command
-        CommandDescription firstSpawnCommand = new CommandDescription(new FirstSpawnCommand(), new ArrayList<String>() {
-
-            {
-                add("firstspawn");
-                add("firsthome");
-            }
-        }, "Teleport to first spawn", "Teleport to the first spawn.", authMeBaseCommand);
-        firstSpawnCommand.setCommandPermissions(AdminPermission.FIRST_SPAWN, OP_ONLY);
-
-        // Register the setfirstspawn command
-        CommandDescription setFirstSpawnCommand = new CommandDescription(new SetFirstSpawnCommand(), new ArrayList<String>() {
-
-            {
-                add("setfirstspawn");
-                add("chgfirstspawn");
-            }
-        }, "Change the first spawn", "Change the first player's spawn to your current position.", authMeBaseCommand);
-        setFirstSpawnCommand.setCommandPermissions(AdminPermission.SET_FIRST_SPAWN, OP_ONLY);
-
-        // Register the purge command
-        CommandDescription purgeCommand = new CommandDescription(new PurgeCommand(), new ArrayList<String>() {
-
-            {
-                add("purge");
-                add("delete");
-            }
-        }, "Purge old data", "Purge old AuthMeReloaded data longer than the specified amount of days ago.", authMeBaseCommand);
-        purgeCommand.setCommandPermissions(AdminPermission.PURGE, OP_ONLY);
-        purgeCommand.addArgument(new CommandArgumentDescription("days", "Number of days", false));
-
-        // Register the purgelastposition command
-        CommandDescription purgeLastPositionCommand = new CommandDescription(new PurgeLastPositionCommand(), new ArrayList<String>() {
-
-            {
-                add("resetpos");
-                add("purgelastposition");
-                add("purgelastpos");
-                add("resetposition");
-                add("resetlastposition");
-                add("resetlastpos");
-            }
-        }, "Purge player's last position", "Purge the last know position of the specified player.", authMeBaseCommand);
-        purgeLastPositionCommand.setCommandPermissions(AdminPermission.PURGE_LAST_POSITION, OP_ONLY);
-        purgeLastPositionCommand.addArgument(new CommandArgumentDescription("player", "Player name", true));
-
-        // Register the purgebannedplayers command
-        CommandDescription purgeBannedPlayersCommand = new CommandDescription(new PurgeBannedPlayersCommand(), new ArrayList<String>() {
-
-            {
-                add("purgebannedplayers");
-                add("purgebannedplayer");
-                add("deletebannedplayers");
-                add("deletebannedplayer");
-            }
-        }, "Purge banned palyers data", "Purge all AuthMeReloaded data for banned players.", authMeBaseCommand);
-        purgeBannedPlayersCommand.setCommandPermissions(AdminPermission.PURGE_BANNED_PLAYERS, OP_ONLY);
-
-        // Register the switchantibot command
-        CommandDescription switchAntiBotCommand = new CommandDescription(new SwitchAntiBotCommand(), new ArrayList<String>() {
-
-            {
-                add("switchantibot");
-                add("toggleantibot");
-                add("antibot");
-            }
-        }, "Switch AntiBot mode", "Switch or toggle the AntiBot mode to the specified state.", authMeBaseCommand);
-        switchAntiBotCommand.setCommandPermissions(AdminPermission.SWITCH_ANTIBOT, OP_ONLY);
-        switchAntiBotCommand.addArgument(new CommandArgumentDescription("mode", "ON / OFF", true));
-
-        // // Register the resetname command
-        // CommandDescription resetNameCommand = new CommandDescription(
-        // new ResetNameCommand(),
-        // new ArrayList<String>() {{
-        // add("resetname");
-        // add("resetnames");
-        // }},
-        // "Reset name",
-        // "Reset name",
-        // authMeCommand);
-        // resetNameCommand.setCommandPermissions("authme.admin.resetname",
-        // CommandPermissions.DefaultPermission.OP_ONLY);
-
-        // Register the reload command
-        CommandDescription reloadCommand = new CommandDescription(new ReloadCommand(), new ArrayList<String>() {
-
-            {
-                add("reload");
-                add("rld");
-            }
-        }, "Reload plugin", "Reload the AuthMeReloaded plugin.", authMeBaseCommand);
-        reloadCommand.setCommandPermissions(AdminPermission.RELOAD, OP_ONLY);
-
-        // Register the version command
-        CommandDescription versionCommand = CommandDescription.builder()
-            .executableCommand(new VersionCommand())
-            .labels("version", "ver", "v", "about", "info")
-            .description("Version info")
-            .detailedDescription("Show detailed information about the installed AuthMeReloaded version, and shows the "
-                + "developers, contributors, license and other information.")
-            .parent(authMeBaseCommand)
-            .build();
-
-        // Register the base login command
-        CommandDescription loginBaseCommand = CommandDescription.builder()
-            .executableCommand(new LoginCommand())
-            .labels("login", "l")
-            .description("Login command")
-            .detailedDescription("Command to log in using AuthMeReloaded.")
-            .parent(null)
-            .permissions(ALLOWED, UserPermission.LOGIN)
-            .withArgument("password", "Login password", false)
-            .build();
-
-        // Register the help command
-        CommandDescription loginHelpCommand = new CommandDescription(helpCommandExecutable, helpCommandLabels,
-            "View help", "View detailed help pages about AuthMeReloaded login commands.", loginBaseCommand);
-        loginHelpCommand.addArgument(new CommandArgumentDescription("query", "The command or query to view help for.", true));
-
-        // Register the base logout command
-        CommandDescription logoutBaseCommand = new CommandDescription(new LogoutCommand(), new ArrayList<String>() {
-
-            {
-                add("logout");
-            }
-        }, "Logout command", "Command to logout using AuthMeReloaded.", null);
-        logoutBaseCommand.setCommandPermissions(UserPermission.LOGOUT, CommandPermissions.DefaultPermission.ALLOWED);
-
-        // Register the help command
-        CommandDescription logoutHelpCommand = new CommandDescription(helpCommandExecutable, helpCommandLabels,
-            "View help", "View detailed help pages about AuthMeReloaded logout commands.", logoutBaseCommand);
-        logoutHelpCommand.addArgument(new CommandArgumentDescription("query", "The command or query to view help for.", true));
-
-        // Register the base register command
-        CommandDescription registerBaseCommand = new CommandDescription(new fr.xephi.authme.command.executable.register.RegisterCommand(), new ArrayList<String>() {
-
-            {
-                add("register");
-                add("reg");
-            }
-        }, "Registration command", "Command to register using AuthMeReloaded.", null);
-        registerBaseCommand.setCommandPermissions(UserPermission.REGISTER, CommandPermissions.DefaultPermission.ALLOWED);
-        registerBaseCommand.addArgument(new CommandArgumentDescription("password", "Password", false));
-        registerBaseCommand.addArgument(new CommandArgumentDescription("verifyPassword", "Verify password", false));
-
-        // Register the help command
-        CommandDescription registerHelpCommand = new CommandDescription(helpCommandExecutable, helpCommandLabels,
-            "View help", "View detailed help pages about AuthMeReloaded register commands.", registerBaseCommand);
-        registerHelpCommand.addArgument(new CommandArgumentDescription("query", "The command or query to view help for.", true));
-
-        // Register the base unregister command
-        CommandDescription unregisterBaseCommand = new CommandDescription(new fr.xephi.authme.command.executable.unregister.UnregisterCommand(), new ArrayList<String>() {
-
-            {
-                add("unregister");
-                add("unreg");
-            }
-        }, "Unregistration command", "Command to unregister using AuthMeReloaded.", null);
-        unregisterBaseCommand.setCommandPermissions(UserPermission.UNREGISTER, CommandPermissions.DefaultPermission.ALLOWED);
-        unregisterBaseCommand.addArgument(new CommandArgumentDescription("password", "Password", false));
-
-        // Register the help command
-        CommandDescription unregisterHelpCommand = new CommandDescription(helpCommandExecutable, helpCommandLabels, "View help", "View detailed help pages about AuthMeReloaded unregister commands.", unregisterBaseCommand);
-        unregisterHelpCommand.addArgument(new CommandArgumentDescription("query", "The command or query to view help for.", true));
-
-        // Register the base changepassword command
-        CommandDescription changePasswordBaseCommand = new CommandDescription(new fr.xephi.authme.command.executable.changepassword.ChangePasswordCommand(), new ArrayList<String>() {
-
-            {
-                add("changepassword");
-                add("changepass");
-            }
-        }, "Change password command", "Command to change your password using AuthMeReloaded.", null);
-        changePasswordBaseCommand.setCommandPermissions(UserPermission.CHANGE_PASSWORD, CommandPermissions.DefaultPermission.ALLOWED);
-        changePasswordBaseCommand.addArgument(new CommandArgumentDescription("password", "Password", false));
-        changePasswordBaseCommand.addArgument(new CommandArgumentDescription("verifyPassword", "Verify password", false));
-
-        // Register the help command
-        CommandDescription changePasswordHelpCommand = new CommandDescription(helpCommandExecutable, helpCommandLabels,
-            "View help", "View detailed help pages about AuthMeReloaded change password commands.", changePasswordBaseCommand);
-        changePasswordHelpCommand.addArgument(new CommandArgumentDescription("query", "The command or query to view help for.", true));
-
-        // Register the base Dungeon Maze command
-        CommandDescription emailBaseCommand = new CommandDescription(helpCommandExecutable, new ArrayList<String>() {
-
-            {
-                add("email");
-                add("mail");
-            }
-        }, "E-mail command", "The AuthMe Reloaded E-mail command. The root for all E-mail commands.", null);
-
-        // Register the help command
-        CommandDescription emailHelpCommand = new CommandDescription(helpCommandExecutable, helpCommandLabels,
-            "View help", "View detailed help pages about AuthMeReloaded help commands.", emailBaseCommand);
-        emailHelpCommand.addArgument(new CommandArgumentDescription("query", "The command or query to view help for.", true));
-
-        // Register the add command
-        CommandDescription addEmailCommand = new CommandDescription(new AddEmailCommand(), new ArrayList<String>() {
-
-            {
-                add("add");
-                add("addemail");
-                add("addmail");
-            }
-        }, "Add E-mail", "Add an new E-Mail address to your account.", emailBaseCommand);
-        addEmailCommand.setCommandPermissions(UserPermission.ADD_EMAIL, CommandPermissions.DefaultPermission.ALLOWED);
-        addEmailCommand.addArgument(new CommandArgumentDescription("email", "Email address", false));
-        addEmailCommand.addArgument(new CommandArgumentDescription("verifyEmail", "Email address verification", false));
-
-        // Register the change command
-        CommandDescription changeEmailCommand = new CommandDescription(new ChangeEmailCommand(), new ArrayList<String>() {
-
-            {
-                add("change");
-                add("changeemail");
-                add("changemail");
-            }
-        }, "Change E-mail", "Change an E-Mail address of your account.", emailBaseCommand);
-        changeEmailCommand.setCommandPermissions(UserPermission.CHANGE_EMAIL, CommandPermissions.DefaultPermission.ALLOWED);
-        changeEmailCommand.addArgument(new CommandArgumentDescription("oldEmail", "Old email address", false));
-        changeEmailCommand.addArgument(new CommandArgumentDescription("newEmail", "New email address", false));
-
-        // Register the recover command
-        CommandDescription recoverEmailCommand = new CommandDescription(new RecoverEmailCommand(), new ArrayList<String>() {
-
-            {
-                add("recover");
-                add("recovery");
-                add("recoveremail");
-                add("recovermail");
-            }
-        }, "Recover using E-mail", "Recover your account using an E-mail address.", emailBaseCommand);
-        recoverEmailCommand.setCommandPermissions(UserPermission.RECOVER_EMAIL, CommandPermissions.DefaultPermission.ALLOWED);
-        recoverEmailCommand.addArgument(new CommandArgumentDescription("email", "Email address", false));
-
-        // Register the base captcha command
-        CommandDescription captchaBaseCommand = new CommandDescription(new CaptchaCommand(), new ArrayList<String>() {
-
-            {
-                add("captcha");
-                add("capt");
-            }
-        }, "Captcha command", "Captcha command for AuthMeReloaded.", null);
-        captchaBaseCommand.setCommandPermissions(UserPermission.CAPTCHA, CommandPermissions.DefaultPermission.ALLOWED);
-        captchaBaseCommand.addArgument(new CommandArgumentDescription("captcha", "The captcha", false));
-
-        // Register the help command
-        CommandDescription captchaHelpCommand = new CommandDescription(helpCommandExecutable, helpCommandLabels,
-            "View help", "View detailed help pages about AuthMeReloaded change captcha commands.", captchaBaseCommand);
-        captchaHelpCommand.addArgument(new CommandArgumentDescription("query", "The command or query to view help for.", true));
-
-        // Register the base converter command
-        CommandDescription converterBaseCommand = new CommandDescription(new ConverterCommand(), new ArrayList<String>() {
-
-            {
-                add("converter");
-                add("convert");
-                add("conv");
-            }
-        }, "Convert command", "Convert command for AuthMeReloaded.", null);
-        converterBaseCommand.setCommandPermissions(UserPermission.CONVERTER, OP_ONLY);
-        converterBaseCommand.addArgument(new CommandArgumentDescription("job", "Conversion job: flattosql / flattosqlite /| xauth / crazylogin / rakamak / royalauth / vauth / sqltoflat", false));
-
-        // Register the help command
-        CommandDescription converterHelpCommand = new CommandDescription(helpCommandExecutable, helpCommandLabels,
-            "View help", "View detailed help pages about AuthMeReloaded change captcha commands.", converterBaseCommand);
-        converterHelpCommand.addArgument(new CommandArgumentDescription("query", "The command or query to view help for.", true));
-
-        // Add the base commands to the commands array
-        this.commandDescriptions.add(authMeBaseCommand);
-        this.commandDescriptions.add(loginBaseCommand);
-        this.commandDescriptions.add(logoutBaseCommand);
-        this.commandDescriptions.add(registerBaseCommand);
-        this.commandDescriptions.add(unregisterBaseCommand);
-        this.commandDescriptions.add(changePasswordBaseCommand);
-        this.commandDescriptions.add(emailBaseCommand);
-        this.commandDescriptions.add(captchaBaseCommand);
-        this.commandDescriptions.add(converterBaseCommand);
-    }
-
-    /**
-     * Get the list of command descriptions
-     *
-     * @return List of command descriptions.
-     */
-    public List<CommandDescription> getCommandDescriptions() {
-        return this.commandDescriptions;
-    }
-
-    /**
-     * Get the number of command description count.
-     *
-     * @return Command description count.
-     */
-    public int getCommandDescriptionCount() {
-        return this.getCommandDescriptions().size();
-    }
-
-    /**
-     * Find the best suitable command for the specified reference.
-     *
-     * @param queryReference The query reference to find a command for.
-     *
-     * @return The command found, or null.
-     */
-    public FoundCommandResult findCommand(CommandParts queryReference) {
-        // Make sure the command reference is valid
-        if (queryReference.getCount() <= 0)
-            return null;
-
-        // Get the base command description
-        for (CommandDescription commandDescription : this.commandDescriptions) {
-            // Check whether there's a command description available for the
-            // current command
-            if (!commandDescription.isSuitableLabel(queryReference))
-                continue;
-
-            // Find the command reference, return the result
-            return commandDescription.findCommand(queryReference);
-        }
-
-        // No applicable command description found, return false
-        return null;
-    }
-}

src/main/java/fr/xephi/authme/command/CommandParts.java

@@ -14,12 +14,6 @@ public class CommandParts {
      */
     private final List<String> parts = new ArrayList<>();
 
-    /**
-     * Constructor.
-     */
-    public CommandParts() {
-    }
-
     /**
      * Constructor.
      *
@@ -29,15 +23,6 @@ public class CommandParts {
         this.parts.add(part);
     }
 
-    /**
-     * Constructor.
-     *
-     * @param commandParts The command parts instance.
-     */
-    public CommandParts(CommandParts commandParts) {
-        this.parts.addAll(commandParts.getList());
-    }
-
     /**
      * Constructor.
      *
@@ -47,17 +32,6 @@ public class CommandParts {
         this.parts.addAll(parts);
     }
 
-    /**
-     * Constructor.
-     *
-     * @param base  The base part.
-     * @param parts The list of additional parts.
-     */
-    public CommandParts(String base, List<String> parts) {
-        this.parts.add(base);
-        this.parts.addAll(parts);
-    }
-
     /**
      * Get the command parts.
      *
@@ -67,41 +41,6 @@ public class CommandParts {
         return this.parts;
     }
 
-    /**
-     * Add a part.
-     *
-     * @param part The part to add.
-     *
-     * @return The result.
-     */
-    public boolean add(String part) {
-        return this.parts.add(part);
-    }
-
-    /**
-     * Add some parts.
-     *
-     * @param parts The parts to add.
-     *
-     * @return The result.
-     */
-    public boolean add(List<String> parts) {
-        return this.parts.addAll(parts);
-    }
-
-    /**
-     * Add some parts.
-     *
-     * @param parts The parts to add.
-     *
-     * @return The result.
-     */
-    public boolean add(String[] parts) {
-        for (String entry : parts)
-            add(entry);
-        return true;
-    }
-
     /**
      * Get the number of parts.
      *
@@ -112,7 +51,7 @@ public class CommandParts {
     }
 
     /**
-     * Get a part by it's index.
+     * Get a part by its index.
      *
      * @param i Part index.
      *
@@ -127,74 +66,6 @@ public class CommandParts {
         return this.parts.get(i);
     }
 
-    /**
-     * Get a range of the parts starting at the specified index up to the end of the range.
-     *
-     * @param start The starting index.
-     *
-     * @return The parts range. Arguments that were out of bound are not included.
-     */
-    public List<String> getRange(int start) {
-        return getRange(start, getCount() - start);
-    }
-
-    /**
-     * Get a range of the parts.
-     *
-     * @param start The starting index.
-     * @param count The number of parts to get.
-     *
-     * @return The parts range. Parts that were out of bound are not included.
-     */
-    public List<String> getRange(int start, int count) {
-        // Create a new list to put the range into
-        List<String> elements = new ArrayList<>();
-
-        // Get the range
-        for (int i = start; i < start + count; i++) {
-            // Get the part and add it if it's valid
-            String element = get(i);
-            if (element != null)
-                elements.add(element);
-        }
-
-        // Return the list of parts
-        return elements;
-    }
-
-    /**
-     * Get the difference value between two references. This won't do a full compare, just the last reference parts instead.
-     *
-     * @param other The other reference.
-     *
-     * @return The result from zero to above. A negative number will be returned on error.
-     */
-    public double getDifference(CommandParts other) {
-        return getDifference(other, false);
-    }
-
-    /**
-     * Get the difference value between two references.
-     *
-     * @param other       The other reference.
-     * @param fullCompare True to compare the full references as far as the range reaches.
-     *
-     * @return The result from zero to above. A negative number will be returned on error.
-     */
-    public double getDifference(CommandParts other, boolean fullCompare) {
-        // Make sure the other reference is correct
-        if (other == null)
-            return -1;
-
-        // Get the range to use
-        int range = Math.min(this.getCount(), other.getCount());
-
-        // Get and the difference
-        if (fullCompare)
-            return StringUtils.getDifference(this.toString(), other.toString());
-        return StringUtils.getDifference(this.getRange(range - 1, 1).toString(), other.getRange(range - 1, 1).toString());
-    }
-
     /**
      * Convert the parts to a string.
      *

src/main/java/fr/xephi/authme/command/CommandPermissions.java

@@ -1,12 +1,12 @@
 package fr.xephi.authme.command;
 
 import fr.xephi.authme.AuthMe;
+import fr.xephi.authme.permission.DefaultPermission;
 import fr.xephi.authme.permission.PermissionsManager;
 import fr.xephi.authme.permission.PermissionNode;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -22,18 +22,6 @@ public class CommandPermissions {
      */
     private DefaultPermission defaultPermission;
 
-    /**
-     * Constructor.
-     *
-     * @param permissionNode    The permission node required to execute a command.
-     * @param defaultPermission The default permission if the permission nodes couldn't be used.
-     */
-    public CommandPermissions(PermissionNode permissionNode, DefaultPermission defaultPermission) {
-        this.permissionNodes = new ArrayList<>();
-        this.permissionNodes.add(permissionNode);
-        this.defaultPermission = defaultPermission;
-    }
-
     /**
      * Constructor.
      *
@@ -54,16 +42,6 @@ public class CommandPermissions {
         return this.permissionNodes;
     }
 
-
-    /**
-     * Get the number of permission nodes set.
-     *
-     * @return Permission node count.
-     */
-    public int getPermissionNodeCount() {
-        return this.permissionNodes.size();
-    }
-
     /**
      * Check whether this command requires any permission to be executed. This is based on the getPermission() method.
      *
@@ -73,31 +51,28 @@ public class CommandPermissions {
      */
     public boolean hasPermission(CommandSender sender) {
         // Make sure any permission node is set
-        if (getPermissionNodeCount() == 0)
+        if (permissionNodes.isEmpty()) {
             return true;
+        }
 
-        // Get the default permission
+        PermissionsManager permissionsManager = AuthMe.getInstance().getPermissionsManager();
         final boolean defaultPermission = getDefaultPermissionCommandSender(sender);
 
         // Make sure the command sender is a player, if not use the default
-        if (!(sender instanceof Player))
+        if (!(sender instanceof Player)) {
             return defaultPermission;
+        }
 
         // Get the player instance
         Player player = (Player) sender;
 
         // Get the permissions manager, and make sure it's instance is valid
-        PermissionsManager permissionsManager = AuthMe.getInstance().getPermissionsManager();
+
         if (permissionsManager == null)
             return false;
 
         // Check whether the player has permission, return the result
-        for (PermissionNode node : this.permissionNodes) {
-            if (!permissionsManager.hasPermission(player, node, defaultPermission)) {
-                return false;
-            }
-        }
-        return true;
+        return permissionsManager.hasPermission(player, this.permissionNodes, defaultPermission);
     }
 
     /**
@@ -109,14 +84,6 @@ public class CommandPermissions {
         return this.defaultPermission;
     }
 
-    /**
-     * Set the default permission used if the permission nodes couldn't be used.
-     *
-     * @param defaultPermission The default permission.
-     */
-    public void setDefaultPermission(DefaultPermission defaultPermission) {
-        this.defaultPermission = defaultPermission;
-    }
 
     /**
      * Get the default permission for a specified command sender.
@@ -138,12 +105,4 @@ public class CommandPermissions {
                 return false;
         }
     }
-
-    /**
-     */
-    public enum DefaultPermission {
-        NOT_ALLOWED,
-        OP_ONLY,
-        ALLOWED
-    }
 }

src/main/java/fr/xephi/authme/command/CommandUtils.java

@@ -0,0 +1,57 @@
+package fr.xephi.authme.command;
+
+import java.util.List;
+
+import fr.xephi.authme.util.CollectionUtils;
+import fr.xephi.authme.util.StringUtils;
+
+public final class CommandUtils {
+
+    public static int getMinNumberOfArguments(CommandDescription command) {
+        int mandatoryArguments = 0;
+        for (CommandArgumentDescription argument : command.getArguments()) {
+            if (!argument.isOptional()) {
+                ++mandatoryArguments;
+            }
+        }
+        return mandatoryArguments;
+    }
+
+    public static int getMaxNumberOfArguments(CommandDescription command) {
+        return command.getArguments().size();
+    }
+
+    /**
+     * Provide a textual representation of a list of labels to show it as a command. For example, a list containing
+     * the items ["authme", "register", "player"] it will return "authme register player".
+     *
+     * @param labels The labels to format
+     * @return The space-separated labels
+     */
+    public static String labelsToString(Iterable<String> labels) {
+        return StringUtils.join(" ", labels);
+    }
+
+    public static double getDifference(List<String> labels1, List<String> labels2, boolean fullCompare) {
+        // Make sure the other reference is correct
+        if (labels1 == null || labels2 == null) {
+            return -1;
+        }
+
+        // Get the range to use
+        int range = Math.min(labels1.size(), labels2.size());
+
+        // Get and the difference
+        if (fullCompare) {
+            return StringUtils.getDifference(CommandUtils.labelsToString(labels1), CommandUtils.labelsToString(labels2));
+        }
+        return StringUtils.getDifference(
+            labelsToString(CollectionUtils.getRange(labels1, range - 1, 1)),
+            labelsToString(CollectionUtils.getRange(labels2, range - 1, 1)));
+    }
+
+
+
+
+
+}

src/main/java/fr/xephi/authme/command/FoundCommandResult.java

@@ -61,27 +61,13 @@ public class FoundCommandResult {
         return this.commandDescription;
     }
 
-    /**
-     * Set the command description.
-     *
-     * @param commandDescription The command description.
-     */
-    public void setCommandDescription(CommandDescription commandDescription) {
-        this.commandDescription = commandDescription;
-    }
-
     /**
      * Check whether the command is executable.
      *
      * @return True if the command is executable, false otherwise.
      */
     public boolean isExecutable() {
-        // Make sure the command description is valid
-        if (this.commandDescription == null)
-            return false;
-
-        // Check whether the command is executable, return the result
-        return this.commandDescription.isExecutable();
+        return commandDescription != null;
     }
 
     /**
@@ -153,10 +139,11 @@ public class FoundCommandResult {
      */
     public double getDifference() {
         // Get the difference through the command found
-        if (this.commandDescription != null)
+        if (this.commandDescription != null) {
             return this.commandDescription.getCommandDifference(this.queryReference);
+        }
 
         // Get the difference from the query reference
-        return this.queryReference.getDifference(commandReference, true);
+        return CommandUtils.getDifference(queryReference.getList(), commandReference.getList(), true);
     }
 }

src/main/java/fr/xephi/authme/command/executable/authme/AccountsCommand.java

@@ -5,8 +5,8 @@ import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 

src/main/java/fr/xephi/authme/command/executable/authme/ChangePasswordAdminCommand.java

@@ -7,8 +7,8 @@ import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
 import fr.xephi.authme.security.PasswordSecurity;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
@@ -16,8 +16,9 @@ import org.bukkit.command.CommandSender;
 import java.security.NoSuchAlgorithmException;
 
 /**
+ * Admin command for changing a player's password.
  */
-public class ChangePasswordCommand extends ExecutableCommand {
+public class ChangePasswordAdminCommand extends ExecutableCommand {
 
     @Override
     public boolean executeCommand(final CommandSender sender, CommandParts commandReference, CommandParts commandArguments) {
@@ -31,23 +32,26 @@ public class ChangePasswordCommand extends ExecutableCommand {
 
         // Validate the password
         String playerPassLowerCase = playerPass.toLowerCase();
-        if (playerPassLowerCase.contains("delete") || playerPassLowerCase.contains("where") || playerPassLowerCase.contains("insert") || playerPassLowerCase.contains("modify") || playerPassLowerCase.contains("from") || playerPassLowerCase.contains("select") || playerPassLowerCase.contains(";") || playerPassLowerCase.contains("null") || !playerPassLowerCase.matches(Settings.getPassRegex)) {
-            m.send(sender, MessageKey.PASSWORD_IS_USERNAME_ERROR);
+        if (playerPassLowerCase.contains("delete") || playerPassLowerCase.contains("where")
+            || playerPassLowerCase.contains("insert") || playerPassLowerCase.contains("modify")
+            || playerPassLowerCase.contains("from") || playerPassLowerCase.contains("select")
+            || playerPassLowerCase.contains(";") || playerPassLowerCase.contains("null")
+            || !playerPassLowerCase.matches(Settings.getPassRegex)) {
+            m.send(sender, MessageKey.PASSWORD_MATCH_ERROR);
             return true;
         }
         if (playerPassLowerCase.equalsIgnoreCase(playerName)) {
             m.send(sender, MessageKey.PASSWORD_IS_USERNAME_ERROR);
             return true;
         }
-        if (playerPassLowerCase.length() < Settings.getPasswordMinLen || playerPassLowerCase.length() > Settings.passwordMaxLength) {
+        if (playerPassLowerCase.length() < Settings.getPasswordMinLen
+                || playerPassLowerCase.length() > Settings.passwordMaxLength) {
             m.send(sender, MessageKey.INVALID_PASSWORD_LENGTH);
             return true;
         }
-        if (!Settings.unsafePasswords.isEmpty()) {
-            if (Settings.unsafePasswords.contains(playerPassLowerCase)) {
-                m.send(sender, MessageKey.PASSWORD_UNSAFE_ERROR);
-                return true;
-            }
+        if (!Settings.unsafePasswords.isEmpty() && Settings.unsafePasswords.contains(playerPassLowerCase)) {
+            m.send(sender, MessageKey.PASSWORD_UNSAFE_ERROR);
+            return true;
         }
         // Set the password
         final String playerNameLowerCase = playerName.toLowerCase();

src/main/java/fr/xephi/authme/command/executable/authme/ForceLoginCommand.java

@@ -3,7 +3,7 @@ package fr.xephi.authme.command.executable.authme;
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.permission.UserPermission;
+import fr.xephi.authme.permission.PlayerPermission;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -30,11 +30,11 @@ public class ForceLoginCommand extends ExecutableCommand {
                 sender.sendMessage("Player needs to be online!");
                 return true;
             }
-            if (!plugin.getPermissionsManager().hasPermission(player, UserPermission.CAN_LOGIN_BE_FORCED)) {
+            if (!plugin.getPermissionsManager().hasPermission(player, PlayerPermission.CAN_LOGIN_BE_FORCED)) {
                 sender.sendMessage("You cannot force login for the player " + playerName + "!");
                 return true;
             }
-            plugin.management.performLogin(player, "dontneed", true);
+            plugin.getManagement().performLogin(player, "dontneed", true);
             sender.sendMessage("Force Login for " + playerName + " performed!");
         } catch (Exception e) {
             sender.sendMessage("An error occurred while trying to get that player!");

src/main/java/fr/xephi/authme/command/executable/authme/GetEmailCommand.java

@@ -4,8 +4,8 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import org.bukkit.command.CommandSender;
 
 /**

src/main/java/fr/xephi/authme/command/executable/authme/LastLoginCommand.java

@@ -4,8 +4,8 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import org.bukkit.command.CommandSender;
 
 import java.util.Date;

src/main/java/fr/xephi/authme/command/executable/authme/PurgeLastPositionCommand.java

@@ -5,8 +5,8 @@ import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 

src/main/java/fr/xephi/authme/command/executable/authme/RegisterAdminCommand.java

@@ -6,8 +6,8 @@ import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
 import fr.xephi.authme.security.PasswordSecurity;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
@@ -15,8 +15,9 @@ import org.bukkit.command.CommandSender;
 import java.security.NoSuchAlgorithmException;
 
 /**
+ * Admin command to register a user.
  */
-public class RegisterCommand extends ExecutableCommand {
+public class RegisterAdminCommand extends ExecutableCommand {
 
     /**
      * Execute the command.
@@ -42,8 +43,12 @@ public class RegisterCommand extends ExecutableCommand {
         final String playerPassLowerCase = playerPass.toLowerCase();
 
         // Command logic
-        if (playerPassLowerCase.contains("delete") || playerPassLowerCase.contains("where") || playerPassLowerCase.contains("insert") || playerPassLowerCase.contains("modify") || playerPassLowerCase.contains("from") || playerPassLowerCase.contains("select") || playerPassLowerCase.contains(";") || playerPassLowerCase.contains("null") || !playerPassLowerCase.matches(Settings.getPassRegex)) {
-            m.send(sender, MessageKey.PASSWORD_IS_USERNAME_ERROR);
+        if (playerPassLowerCase.contains("delete") || playerPassLowerCase.contains("where")
+            || playerPassLowerCase.contains("insert") || playerPassLowerCase.contains("modify")
+            || playerPassLowerCase.contains("from") || playerPassLowerCase.contains("select")
+            || playerPassLowerCase.contains(";") || playerPassLowerCase.contains("null")
+            || !playerPassLowerCase.matches(Settings.getPassRegex)) {
+            m.send(sender, MessageKey.PASSWORD_MATCH_ERROR);
             return true;
         }
         if (playerPassLowerCase.equalsIgnoreCase(playerName)) {

src/main/java/fr/xephi/authme/command/executable/authme/ReloadCommand.java

@@ -6,8 +6,8 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.util.Profiler;
 import org.bukkit.command.CommandSender;
@@ -41,7 +41,7 @@ public class ReloadCommand extends ExecutableCommand {
 
         try {
             Settings.reload();
-            plugin.setMessages(new Messages(Settings.messageFile, Settings.messagesLanguage));
+            Messages.getInstance().reloadManager();
             plugin.getModuleManager().reloadModules();
             plugin.setupDatabase();
         } catch (Exception e) {

src/main/java/fr/xephi/authme/command/executable/authme/SetEmailCommand.java

@@ -5,8 +5,8 @@ import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import org.bukkit.command.CommandSender;
 

src/main/java/fr/xephi/authme/command/executable/authme/SwitchAntiBotCommand.java

@@ -2,11 +2,15 @@ package fr.xephi.authme.command.executable.authme;
 
 import fr.xephi.authme.AntiBot;
 import fr.xephi.authme.command.CommandParts;
+import fr.xephi.authme.command.CommandUtils;
 import fr.xephi.authme.command.ExecutableCommand;
 import fr.xephi.authme.command.help.HelpProvider;
+import fr.xephi.authme.util.CollectionUtils;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 
+import java.util.List;
+
 /**
  */
 public class SwitchAntiBotCommand extends ExecutableCommand {
@@ -32,16 +36,16 @@ public class SwitchAntiBotCommand extends ExecutableCommand {
         }
 
         // Enable the mod
-        if (newState.equalsIgnoreCase("ON")) {
+        if ("ON".equalsIgnoreCase(newState)) {
             AntiBot.overrideAntiBotStatus(true);
-            sender.sendMessage("[AuthMe] AntiBot Manual Ovverride: enabled!");
+            sender.sendMessage("[AuthMe] AntiBot Manual Override: enabled!");
             return true;
         }
 
         // Disable the mod
-        if (newState.equalsIgnoreCase("OFF")) {
+        if ("OFF".equalsIgnoreCase(newState)) {
             AntiBot.overrideAntiBotStatus(false);
-            sender.sendMessage("[AuthMe] AntiBotMod Manual Ovverride: disabled!");
+            sender.sendMessage("[AuthMe] AntiBotMod Manual Override: disabled!");
             return true;
         }
 
@@ -52,8 +56,9 @@ public class SwitchAntiBotCommand extends ExecutableCommand {
         HelpProvider.showHelp(sender, commandReference, commandReference, true, false, true, false, false, false);
 
         // Show the command to use for detailed help
-        CommandParts helpCommandReference = new CommandParts(commandReference.getRange(1));
-        sender.sendMessage(ChatColor.GOLD + "Detailed help: " + ChatColor.WHITE + "/" + commandReference.get(0) + " help " + helpCommandReference);
+        List<String> helpCommandReference = CollectionUtils.getRange(commandReference.getList(), 1);
+        sender.sendMessage(ChatColor.GOLD + "Detailed help: " + ChatColor.WHITE + "/"
+            + commandReference.get(0) + " help " + CommandUtils.labelsToString(helpCommandReference));
         return true;
     }
 }

src/main/java/fr/xephi/authme/command/executable/authme/UnregisterAdminCommand.java

@@ -6,8 +6,8 @@ import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.cache.limbo.LimboCache;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.task.MessageTask;
 import fr.xephi.authme.task.TimeoutTask;
@@ -21,8 +21,9 @@ import org.bukkit.scheduler.BukkitScheduler;
 import org.bukkit.scheduler.BukkitTask;
 
 /**
+ * Admin command to unregister a player.
  */
-public class UnregisterCommand extends ExecutableCommand {
+public class UnregisterAdminCommand extends ExecutableCommand {
 
     /**
      * Execute the command.

src/main/java/fr/xephi/authme/command/executable/captcha/CaptchaCommand.java

@@ -5,9 +5,10 @@ import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
 import fr.xephi.authme.security.RandomString;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
+import fr.xephi.authme.util.Wrapper;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -30,10 +31,11 @@ public class CaptchaCommand extends ExecutableCommand {
         String captcha = commandArguments.get(0);
 
         // AuthMe plugin instance
-        final AuthMe plugin = AuthMe.getInstance();
+        final Wrapper wrapper = Wrapper.getInstance();
+        final AuthMe plugin = wrapper.getAuthMe();
 
         // Messages instance
-        final Messages m = plugin.getMessages();
+        final Messages m = wrapper.getMessages();
 
         // Command logic
         if (PlayerCache.getInstance().isAuthenticated(playerNameLowerCase)) {

src/main/java/fr/xephi/authme/command/executable/changepassword/ChangePasswordCommand.java

@@ -4,8 +4,8 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.task.ChangePasswordTask;
 import fr.xephi.authme.util.Wrapper;
@@ -13,6 +13,7 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 /**
+ * The command for a player to change his password with.
  */
 public class ChangePasswordCommand extends ExecutableCommand {
 
@@ -27,10 +28,10 @@ public class ChangePasswordCommand extends ExecutableCommand {
         final Messages m = wrapper.getMessages();
 
         // Get the passwords
-        String playerPass = commandArguments.get(0);
-        String playerPassVerify = commandArguments.get(1);
+        String oldPassword = commandArguments.get(0);
+        String newPassword = commandArguments.get(1);
 
-        // Get the player instance and make sure it's authenticated
+        // Get the player instance and make sure he's authenticated
         Player player = (Player) sender;
         String name = player.getName().toLowerCase();
         final PlayerCache playerCache = wrapper.getPlayerCache();
@@ -40,8 +41,7 @@ public class ChangePasswordCommand extends ExecutableCommand {
         }
 
         // Make sure the password is allowed
-        // TODO ljacqu 20151121: The password confirmation appears to be never verified
-        String playerPassLowerCase = playerPass.toLowerCase();
+        String playerPassLowerCase = newPassword.toLowerCase();
         if (playerPassLowerCase.contains("delete") || playerPassLowerCase.contains("where")
             || playerPassLowerCase.contains("insert") || playerPassLowerCase.contains("modify")
             || playerPassLowerCase.contains("from") || playerPassLowerCase.contains("select")
@@ -66,8 +66,8 @@ public class ChangePasswordCommand extends ExecutableCommand {
 
         // Set the password
         final AuthMe plugin = wrapper.getAuthMe();
-        wrapper.getServer().getScheduler().runTaskAsynchronously(plugin,
-            new ChangePasswordTask(plugin, player, playerPass, playerPassVerify));
+        wrapper.getScheduler().runTaskAsynchronously(plugin,
+            new ChangePasswordTask(plugin, player, oldPassword, newPassword));
         return true;
     }
 }

src/main/java/fr/xephi/authme/command/executable/converter/ConverterCommand.java

@@ -4,8 +4,8 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
 import fr.xephi.authme.converter.*;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 

src/main/java/fr/xephi/authme/command/executable/email/RecoverEmailCommand.java

@@ -8,8 +8,8 @@ import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
 import fr.xephi.authme.security.PasswordSecurity;
 import fr.xephi.authme.security.RandomString;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.util.Wrapper;
 import org.bukkit.command.CommandSender;

src/main/java/fr/xephi/authme/command/executable/register/RegisterCommand.java

@@ -5,8 +5,8 @@ import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
 import fr.xephi.authme.process.Management;
 import fr.xephi.authme.security.RandomString;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.util.Wrapper;
 import org.bukkit.command.CommandSender;
@@ -55,7 +55,7 @@ public class RegisterCommand extends ExecutableCommand {
         }
         if (commandArguments.getCount() > 1 && Settings.getEnablePasswordVerifier) {
             if (!commandArguments.get(0).equals(commandArguments.get(1))) {
-                m.send(player, MessageKey.PASSWORD_IS_USERNAME_ERROR);
+                m.send(player, MessageKey.PASSWORD_MATCH_ERROR);
                 return true;
             }
         }

src/main/java/fr/xephi/authme/command/executable/unregister/UnregisterCommand.java

@@ -4,8 +4,8 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -49,7 +49,7 @@ public class UnregisterCommand extends ExecutableCommand {
         }
 
         // Unregister the player
-        plugin.management.performUnregister(player, playerPass, false);
+        plugin.getManagement().performUnregister(player, playerPass, false);
         return true;
     }
 }

src/main/java/fr/xephi/authme/command/help/HelpPrinter.java

@@ -1,20 +1,22 @@
 package fr.xephi.authme.command.help;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.command.CommandArgumentDescription;
 import fr.xephi.authme.command.CommandDescription;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.CommandPermissions;
 import fr.xephi.authme.permission.PermissionNode;
+import fr.xephi.authme.util.CollectionUtils;
 import fr.xephi.authme.util.StringUtils;
-import org.bukkit.ChatColor;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
 
 /**
  */
@@ -39,9 +41,7 @@ public class HelpPrinter {
      * @param command The command to print the description help for.
      */
     public static void printCommandDescription(CommandSender sender, CommandDescription command) {
-        // Print the regular description, if available
-        if (command.hasDescription())
-            sender.sendMessage(ChatColor.GOLD + "Short Description: " + ChatColor.WHITE + command.getDescription());
+        sender.sendMessage(ChatColor.GOLD + "Short Description: " + ChatColor.WHITE + command.getDescription());
 
         // Print the detailed description, if available
         if (!StringUtils.isEmpty(command.getDetailedDescription())) {
@@ -59,7 +59,7 @@ public class HelpPrinter {
     @SuppressWarnings("StringConcatenationInsideStringBufferAppend")
     public static void printArguments(CommandSender sender, CommandDescription command) {
         // Make sure there are any commands to print
-        if (!command.hasArguments() && command.getMaximumArguments() >= 0)
+        if (!command.hasArguments())
             return;
 
         // Print the header
@@ -78,10 +78,6 @@ public class HelpPrinter {
             // Print the syntax
             sender.sendMessage(argString.toString());
         }
-
-        // Show the unlimited arguments argument
-        if (command.getMaximumArguments() < 0)
-            sender.sendMessage(" " + ChatColor.YELLOW + ChatColor.ITALIC + "... : " + ChatColor.WHITE + "Any additional arguments." + ChatColor.GRAY + ChatColor.ITALIC + " (Optional)");
     }
 
     /**
@@ -91,14 +87,11 @@ public class HelpPrinter {
      * @param command The command to print the permissions help for.
      */
     public static void printPermissions(CommandSender sender, CommandDescription command) {
-        // Get the permissions and make sure it isn't null
+        // Get the permissions and make sure they aren't missing
         CommandPermissions permissions = command.getCommandPermissions();
-        if (permissions == null)
-            return;
-
-        // Make sure any permission node is set
-        if (permissions.getPermissionNodeCount() <= 0)
+        if (permissions == null || CollectionUtils.isEmpty(permissions.getPermissionNodes())) {
             return;
+        }
 
         // Print the header
         sender.sendMessage(ChatColor.GOLD + "Permissions:");
@@ -113,13 +106,16 @@ public class HelpPrinter {
         }
 
         // Print the default permission
+        // TODO ljacqu 20151205: This is duplicating the logic in PermissionsManager#evaluateDefaultPermission
+        // Either use the command manager here, or if that's too heavy, look into moving certain permissions logic
+        // into a Utils class
         switch (permissions.getDefaultPermission()) {
             case ALLOWED:
                 sender.sendMessage(ChatColor.GOLD + " Default: " + ChatColor.GRAY + ChatColor.ITALIC + "Permission!");
                 break;
 
             case OP_ONLY:
-                final String defaultPermsString = ChatColor.GRAY + (permissions.getDefaultPermissionCommandSender(sender) ? ChatColor.ITALIC + " (Permission!)" : ChatColor.ITALIC + " (No Permission!)");
+                final String defaultPermsString = ChatColor.GRAY + (sender.isOp() ? ChatColor.ITALIC + " (Permission!)" : ChatColor.ITALIC + " (No Permission!)");
                 sender.sendMessage(ChatColor.GOLD + " Default: " + ChatColor.YELLOW + ChatColor.ITALIC + "OP's Only!" + defaultPermsString);
                 break;
 

src/main/java/fr/xephi/authme/command/help/HelpProvider.java

@@ -3,12 +3,17 @@ package fr.xephi.authme.command.help;
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.command.CommandDescription;
 import fr.xephi.authme.command.CommandParts;
+import fr.xephi.authme.command.CommandUtils;
 import fr.xephi.authme.command.FoundCommandResult;
 import fr.xephi.authme.settings.Settings;
 
+import fr.xephi.authme.util.CollectionUtils;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  */
 public class HelpProvider {
@@ -39,9 +44,14 @@ public class HelpProvider {
      */
     public static void showHelp(CommandSender sender, CommandParts reference, CommandParts helpQuery, boolean showCommand, boolean showDescription, boolean showArguments, boolean showPermissions, boolean showAlternatives, boolean showCommands) {
         // Find the command for this help query, one with and one without a prefixed base command
-        FoundCommandResult result = AuthMe.getInstance().getCommandHandler().getCommandManager().findCommand(new CommandParts(helpQuery.getList()));
-        CommandParts commandReferenceOther = new CommandParts(reference.get(0), helpQuery.getList());
-        FoundCommandResult resultOther = AuthMe.getInstance().getCommandHandler().getCommandManager().findCommand(commandReferenceOther);
+        FoundCommandResult result = AuthMe.getInstance().getCommandHandler().findCommand(new CommandParts(helpQuery.getList()));
+
+        // TODO ljacqu 20151204 Fix me to nicer code
+        List<String> parts = new ArrayList<>(helpQuery.getList());
+        parts.add(0, reference.get(0));
+        CommandParts commandReferenceOther = new CommandParts(parts);
+
+        FoundCommandResult resultOther = AuthMe.getInstance().getCommandHandler().findCommand(commandReferenceOther);
         if (resultOther != null) {
             if (result == null)
                 result = resultOther;
@@ -78,13 +88,14 @@ public class HelpProvider {
             // Show the unknown command warning
             sender.sendMessage(ChatColor.DARK_RED + "No help found for '" + helpQuery + "'!");
 
-            // Get the suggested command
-            CommandParts suggestedCommandParts = new CommandParts(result.getCommandDescription().getCommandReference(commandReference).getRange(1));
-
             // Show a command suggestion if available and the difference isn't too big
-            if (commandDifference < 0.75)
-                if (result.getCommandDescription() != null)
-                    sender.sendMessage(ChatColor.YELLOW + "Did you mean " + ChatColor.GOLD + "/" + baseCommand + " help " + suggestedCommandParts + ChatColor.YELLOW + "?");
+            if (commandDifference < 0.75 && result.getCommandDescription() != null) {
+                // Get the suggested command
+                List<String> suggestedCommandParts = CollectionUtils.getRange(
+                    result.getCommandDescription().getCommandReference(commandReference).getList(), 1);
+                sender.sendMessage(ChatColor.YELLOW + "Did you mean " + ChatColor.GOLD + "/" + baseCommand
+                    + " help " + CommandUtils.labelsToString(suggestedCommandParts) + ChatColor.YELLOW + "?");
+            }
 
             // Show the help command
             sender.sendMessage(ChatColor.YELLOW + "Use the command " + ChatColor.GOLD + "/" + baseCommand + " help" + ChatColor.YELLOW + " to view help.");
@@ -94,10 +105,12 @@ public class HelpProvider {
         // Show a message when the command handler is assuming a command
         if (commandDifference > 0) {
             // Get the suggested command
-            CommandParts suggestedCommandParts = new CommandParts(result.getCommandDescription().getCommandReference(commandReference).getRange(1));
+            List<String> suggestedCommandParts = CollectionUtils.getRange(
+                result.getCommandDescription().getCommandReference(commandReference).getList(), 1);
 
             // Show the suggested command
-            sender.sendMessage(ChatColor.DARK_RED + "No help found, assuming '" + ChatColor.GOLD + suggestedCommandParts + ChatColor.DARK_RED + "'!");
+            sender.sendMessage(ChatColor.DARK_RED + "No help found, assuming '" + ChatColor.GOLD
+                + CommandUtils.labelsToString(suggestedCommandParts) + ChatColor.DARK_RED + "'!");
         }
 
         // Print the help header

src/main/java/fr/xephi/authme/command/help/HelpSyntaxHelper.java

@@ -3,6 +3,8 @@ package fr.xephi.authme.command.help;
 import fr.xephi.authme.command.CommandArgumentDescription;
 import fr.xephi.authme.command.CommandDescription;
 import fr.xephi.authme.command.CommandParts;
+import fr.xephi.authme.command.CommandUtils;
+import fr.xephi.authme.util.CollectionUtils;
 import fr.xephi.authme.util.StringUtils;
 import org.bukkit.ChatColor;
 
@@ -35,8 +37,8 @@ public final class HelpSyntaxHelper {
 
         // Get the help command reference, and the command label
         CommandParts helpCommandReference = commandDescription.getCommandReference(commandReference);
-        final String parentCommand = new CommandParts(
-            helpCommandReference.getRange(0, helpCommandReference.getCount() - 1)).toString();
+        final String parentCommand = CommandUtils.labelsToString(
+            CollectionUtils.getRange(helpCommandReference.getList(), 0, helpCommandReference.getCount() - 1));
 
         // Check whether the alternative label should be used
         String commandLabel;
@@ -61,11 +63,6 @@ public final class HelpSyntaxHelper {
             sb.append(ChatColor.ITALIC).append(formatArgument(arg));
         }
 
-        // Add some dots if the command allows unlimited arguments
-        if (commandDescription.getMaximumArguments() < 0) {
-            sb.append(ChatColor.ITALIC).append(" ...");
-        }
-
         // Return the build command syntax
         return sb.toString();
     }

src/main/java/fr/xephi/authme/converter/SqlToFlat.java

@@ -5,7 +5,7 @@ import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.datasource.DataSource;
 import fr.xephi.authme.datasource.FlatFile;
-import fr.xephi.authme.settings.MessageKey;
+import fr.xephi.authme.output.MessageKey;
 import org.bukkit.command.CommandSender;
 
 import java.util.List;

src/main/java/fr/xephi/authme/converter/vAuthFileReader.java

@@ -42,16 +42,16 @@ public class vAuthFileReader {
                 String name = line.split(": ")[0];
                 String password = line.split(": ")[1];
                 PlayerAuth auth;
-                if (isUUIDinstance(password)) {
-                    String playerName;
+                if (isUuidInstance(password)) {
+                    String pname;
                     try {
-                        playerName = Bukkit.getOfflinePlayer(UUID.fromString(name)).getName();
+                        pname = Bukkit.getOfflinePlayer(UUID.fromString(name)).getName();
                     } catch (Exception | NoSuchMethodError e) {
-                        playerName = getName(UUID.fromString(name));
+                        pname = getName(UUID.fromString(name));
                     }
-                    if (playerName == null)
+                    if (pname == null)
                         continue;
-                    auth = new PlayerAuth(playerName.toLowerCase(), password, "127.0.0.1", System.currentTimeMillis(), "your@email.com", playerName);
+                    auth = new PlayerAuth(pname.toLowerCase(), password, "127.0.0.1", System.currentTimeMillis(), "your@email.com", pname);
                 } else {
                     auth = new PlayerAuth(name.toLowerCase(), password, "127.0.0.1", System.currentTimeMillis(), "your@email.com", name);
                 }
@@ -64,17 +64,8 @@ public class vAuthFileReader {
 
     }
 
-    /**
-     * Method isUUIDinstance.
-     *
-     * @param s String
-     *
-     * @return boolean
-     */
-    private boolean isUUIDinstance(String s) {
-        if (String.valueOf(s.charAt(8)).equalsIgnoreCase("-"))
-            return true;
-        return true;
+    private static boolean isUuidInstance(String s) {
+        return s.length() > 8 && s.charAt(8) == '-';
     }
 
     /**

src/main/java/fr/xephi/authme/listener/AuthMeBlockListener.java

@@ -32,6 +32,12 @@ public class AuthMeBlockListener implements Listener {
         if (Utils.checkAuth(event.getPlayer())) {
             return;
         }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
+
         event.setCancelled(true);
     }
 
@@ -45,6 +51,12 @@ public class AuthMeBlockListener implements Listener {
         if (Utils.checkAuth(event.getPlayer())) {
             return;
         }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
+
         event.setCancelled(true);
     }
 

src/main/java/fr/xephi/authme/listener/AuthMeEntityListener.java

@@ -49,7 +49,12 @@ public class AuthMeEntityListener implements Listener {
         }
 
         Player player = (Player) entity;
-        if (Utils.checkAuth(player)) {
+        if (Utils.checkAuth(player) ) {
+            return;
+        }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(player)) {
             return;
         }
         player.setFireTicks(0);
@@ -73,6 +78,11 @@ public class AuthMeEntityListener implements Listener {
             return;
         }
 
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC((Player) entity)) {
+            return;
+        }
+
         event.setTarget(null);
         event.setCancelled(true);
     }
@@ -83,7 +93,7 @@ public class AuthMeEntityListener implements Listener {
      * @param event EntityDamageByEntityEvent
      */
     @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
-    public void onDmg(EntityDamageByEntityEvent event) {
+    public void onDamage(EntityDamageByEntityEvent event) {
         Entity entity = event.getDamager();
         if (entity == null || !(entity instanceof Player)) {
             return;
@@ -94,6 +104,11 @@ public class AuthMeEntityListener implements Listener {
             return;
         }
 
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(player)) {
+            return;
+        }
+
         event.setCancelled(true);
     }
 
@@ -113,6 +128,11 @@ public class AuthMeEntityListener implements Listener {
             return;
         }
 
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC((Player) entity)) {
+            return;
+        }
+
         event.setCancelled(true);
     }
 
@@ -132,6 +152,11 @@ public class AuthMeEntityListener implements Listener {
             return;
         }
 
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC((Player) entity)) {
+            return;
+        }
+
         event.setAmount(0);
         event.setCancelled(true);
     }
@@ -152,6 +177,11 @@ public class AuthMeEntityListener implements Listener {
             return;
         }
 
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC((Player) entity)) {
+            return;
+        }
+
         event.setCancelled(true);
     }
 
@@ -171,6 +201,11 @@ public class AuthMeEntityListener implements Listener {
             return;
         }
 
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC((Player) entity)) {
+            return;
+        }
+
         event.setCancelled(true);
     }
 
@@ -210,6 +245,11 @@ public class AuthMeEntityListener implements Listener {
             return;
         }
 
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(player)) {
+            return;
+        }
+
         event.setCancelled(true);
     }
 
@@ -230,6 +270,11 @@ public class AuthMeEntityListener implements Listener {
             return;
         }
 
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(player)) {
+            return;
+        }
+
         event.setCancelled(true);
     }
 

src/main/java/fr/xephi/authme/listener/AuthMePlayerListener.java

@@ -9,10 +9,10 @@ import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.cache.limbo.LimboCache;
 import fr.xephi.authme.cache.limbo.LimboPlayer;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.permission.PermissionsManager;
-import fr.xephi.authme.permission.UserPermission;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.permission.PlayerPermission;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.util.GeoLiteAPI;
 import fr.xephi.authme.util.Utils;
@@ -28,7 +28,24 @@ import org.bukkit.event.block.SignChangeEvent;
 import org.bukkit.event.entity.EntityDamageByEntityEvent;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryOpenEvent;
-import org.bukkit.event.player.*;
+import org.bukkit.event.player.AsyncPlayerChatEvent;
+import org.bukkit.event.player.AsyncPlayerPreLoginEvent;
+import org.bukkit.event.player.PlayerBedEnterEvent;
+import org.bukkit.event.player.PlayerCommandPreprocessEvent;
+import org.bukkit.event.player.PlayerDropItemEvent;
+import org.bukkit.event.player.PlayerFishEvent;
+import org.bukkit.event.player.PlayerGameModeChangeEvent;
+import org.bukkit.event.player.PlayerInteractEntityEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.player.PlayerItemConsumeEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerKickEvent;
+import org.bukkit.event.player.PlayerLoginEvent;
+import org.bukkit.event.player.PlayerMoveEvent;
+import org.bukkit.event.player.PlayerPickupItemEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.event.player.PlayerRespawnEvent;
+import org.bukkit.event.player.PlayerShearEntityEvent;
 
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -53,8 +70,7 @@ public class AuthMePlayerListener implements Listener {
         }
 
         final Player player = event.getPlayer();
-
-        if(Utils.checkAuth(player)) {
+        if (Utils.checkAuth(player)) {
             for (Player p : Utils.getOnlinePlayers()) {
                 if (!PlayerCache.getInstance().isAuthenticated(p.getName())) {
                     event.getRecipients().remove(p); // TODO: it should be configurable
@@ -64,6 +80,11 @@ public class AuthMePlayerListener implements Listener {
         }
 
         event.setCancelled(true);
+        sendLoginRegisterMSG(player);
+    }
+
+    // TODO: new name
+    private void sendLoginRegisterMSG(final Player player) {
         plugin.getServer().getScheduler().runTaskAsynchronously(plugin, new Runnable() {
             @Override
             public void run() {
@@ -93,6 +114,7 @@ public class AuthMePlayerListener implements Listener {
             return;
         }
         event.setCancelled(true);
+        sendLoginRegisterMSG(event.getPlayer());
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.NORMAL)
@@ -167,20 +189,26 @@ public class AuthMePlayerListener implements Listener {
         }
     }
 
-    @EventHandler(priority = EventPriority.HIGHEST)
+    @EventHandler(priority = EventPriority.LOWEST)
     public void onPlayerJoin(PlayerJoinEvent event) {
-        if (event.getPlayer() == null || Utils.isNPC(event.getPlayer())) {
+        final Player player = event.getPlayer();
+        if (player == null) {
             return;
         }
 
-        final Player player = event.getPlayer();
-        final String name = player.getName().toLowerCase();
-        final String joinMsg = event.getJoinMessage();
-        final boolean delay = Settings.delayJoinLeaveMessages && joinMsg != null;
+        /* IMPOSSIBLE!!!! TODO: check this!
+        if(Utils.isNPC(player)) {
+            return;
+        }
+        */
+
+        String name = player.getName().toLowerCase();
+        String joinMsg = event.getJoinMessage();
 
         // Remove the join message while the player isn't logging in
-        if (delay) {
+        if (Settings.delayJoinLeaveMessages && joinMsg != null) {
             event.setJoinMessage(null);
+            joinMessage.put(name, joinMsg);
         }
 
         // Shedule login task so works after the prelogin
@@ -188,9 +216,6 @@ public class AuthMePlayerListener implements Listener {
         Bukkit.getScheduler().runTask(plugin, new Runnable() {
             @Override
             public void run() {
-                if (delay) {
-                    joinMessage.put(name, joinMsg);
-                }
                 plugin.getManagement().performJoin(player);
             }
         });
@@ -198,38 +223,57 @@ public class AuthMePlayerListener implements Listener {
 
     @EventHandler(priority = EventPriority.HIGHEST)
     public void onPreLogin(AsyncPlayerPreLoginEvent event) {
+        if (!plugin.canConnect()) {
+            event.setLoginResult(AsyncPlayerPreLoginEvent.Result.KICK_OTHER);
+            event.setKickMessage("Server is loading, please wait before joining!");
+            return;
+        }
+
+        if (Settings.enableProtection) {
+            String countryCode = GeoLiteAPI.getCountryCode(event.getAddress().getHostAddress());
+            if (!Settings.countriesBlacklist.isEmpty() && Settings.countriesBlacklist.contains(countryCode)) {
+                event.setLoginResult(AsyncPlayerPreLoginEvent.Result.KICK_OTHER);
+                event.setKickMessage(m.retrieveSingle(MessageKey.COUNTRY_BANNED_ERROR));
+                return;
+            }
+            if (!Settings.countries.isEmpty() && !Settings.countries.contains(countryCode)) {
+                event.setLoginResult(AsyncPlayerPreLoginEvent.Result.KICK_OTHER);
+                event.setKickMessage(m.retrieveSingle(MessageKey.COUNTRY_BANNED_ERROR));
+                return;
+            }
+        }
+
         final String name = event.getName().toLowerCase();
         final Player player = Utils.getPlayer(name);
-        if (player == null || Utils.isNPC(player)) {
+        if (player == null) {
             return;
         }
 
         // Check if forceSingleSession is set to true, so kick player that has
         // joined with same nick of online player
-        if (Settings.isForceSingleSessionEnabled && player.isOnline()) {
-            event.disallow(AsyncPlayerPreLoginEvent.Result.KICK_OTHER, m.getString("same_nick"));
-            if (LimboCache.getInstance().hasLimboPlayer(name))
-                Bukkit.getScheduler().runTaskAsynchronously(plugin, new Runnable() {
-
-                    @Override
-                    public void run() {
-                        LimboPlayer limbo = LimboCache.getInstance().getLimboPlayer(name);
-                        if (limbo != null && PlayerCache.getInstance().isAuthenticated(name)) {
-                            Utils.addNormal(player, limbo.getGroup());
-                            LimboCache.getInstance().deleteLimboPlayer(name);
-                        }
-                    }
-                });
+        if (Settings.isForceSingleSessionEnabled) {
+            event.setLoginResult(AsyncPlayerPreLoginEvent.Result.KICK_OTHER);
+            event.setKickMessage(m.retrieveSingle(MessageKey.USERNAME_ALREADY_ONLINE_ERROR));
+            LimboPlayer limbo = LimboCache.getInstance().getLimboPlayer(name);
+            if (limbo != null && PlayerCache.getInstance().isAuthenticated(name)) {
+                Utils.addNormal(player, limbo.getGroup());
+                LimboCache.getInstance().deleteLimboPlayer(name);
+            }
         }
     }
 
     @EventHandler(priority = EventPriority.HIGHEST)
     public void onPlayerLogin(PlayerLoginEvent event) {
-        if (event.getPlayer() == null) {
+        final Player player = event.getPlayer();
+        if (player == null || Utils.isUnrestricted(player)) {
             return;
         }
 
-        if (event.getResult() == PlayerLoginEvent.Result.KICK_FULL) {
+        // Get the permissions manager
+        PermissionsManager permsMan = plugin.getPermissionsManager();
+
+        if (event.getResult() == PlayerLoginEvent.Result.KICK_FULL
+            && permsMan.hasPermission(player, PlayerPermission.IS_VIP)) {
             int playersOnline = Utils.getOnlinePlayers().size();
             if (playersOnline > plugin.getServer().getMaxPlayers()) {
                 event.allow();
@@ -250,45 +294,19 @@ public class AuthMePlayerListener implements Listener {
             return;
         }
 
-        // Get the permissions manager
-        PermissionsManager permsMan = plugin.getPermissionsManager();
-
-        final Player player = event.getPlayer();
-        if (event.getResult() == PlayerLoginEvent.Result.KICK_FULL && !permsMan.hasPermission(player, UserPermission.IS_VIP)) {
+        if (event.getResult() == PlayerLoginEvent.Result.KICK_FULL && !permsMan.hasPermission(player, PlayerPermission.IS_VIP)) {
             event.setKickMessage(m.retrieveSingle(MessageKey.KICK_FULL_SERVER));
             event.setResult(PlayerLoginEvent.Result.KICK_FULL);
             return;
         }
 
-        if (Utils.isNPC(player) || Utils.isUnrestricted(player)) {
-            return;
-        }
-
         final String name = player.getName().toLowerCase();
         boolean isAuthAvailable = plugin.database.isAuthAvailable(name);
 
-        if (!Settings.countriesBlacklist.isEmpty() && !isAuthAvailable && !permsMan.hasPermission(player, UserPermission.BYPASS_ANTIBOT)) {
-            String code = GeoLiteAPI.getCountryCode(event.getAddress().getHostAddress());
-            if (Settings.countriesBlacklist.contains(code)) {
-                event.setKickMessage(m.retrieveSingle(MessageKey.COUNTRY_BANNED_ERROR));
-                event.setResult(PlayerLoginEvent.Result.KICK_OTHER);
-                return;
-            }
-        }
-
-        if (Settings.enableProtection && !Settings.countries.isEmpty() && !isAuthAvailable && !permsMan.hasPermission(player, UserPermission.BYPASS_ANTIBOT)) {
-            String code = GeoLiteAPI.getCountryCode(event.getAddress().getHostAddress());
-            if (!Settings.countries.contains(code)) {
-                event.setKickMessage(m.retrieveSingle(MessageKey.COUNTRY_BANNED_ERROR));
-                event.setResult(PlayerLoginEvent.Result.KICK_OTHER);
-                return;
-            }
-        }
-
         // TODO: Add message to the messages file!!!
         if (Settings.isKickNonRegisteredEnabled && !isAuthAvailable) {
             if (Settings.antiBotInAction) {
-                event.setKickMessage("AntiBot service in action! You actually need to be registered!");
+                event.setKickMessage(m.retrieveSingle(MessageKey.KICK_ANTIBOT));
                 event.setResult(PlayerLoginEvent.Result.KICK_OTHER);
                 return;
             } else {
@@ -321,61 +339,77 @@ public class AuthMePlayerListener implements Listener {
 
     @EventHandler(priority = EventPriority.MONITOR)
     public void onPlayerQuit(PlayerQuitEvent event) {
-        if (event.getPlayer() == null) {
+        Player player = event.getPlayer();
+
+        if (player == null) {
             return;
         }
 
-        Player player = event.getPlayer();
-
-        if (!Utils.checkAuth(player) && Settings.delayJoinLeaveMessages) {
+        if (Settings.delayJoinLeaveMessages && !Utils.checkAuth(player)) {
             event.setQuitMessage(null);
         }
 
-        plugin.management.performQuit(player, false);
+        plugin.getManagement().performQuit(player, false);
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.MONITOR)
     public void onPlayerKick(PlayerKickEvent event) {
-        if (event.getPlayer() == null) {
+        Player player = event.getPlayer();
+
+        if (player == null) {
             return;
         }
 
-        if ((!Settings.isForceSingleSessionEnabled) && (event.getReason().contains(m.getString("same_nick")))) {
+        if ((!Settings.isForceSingleSessionEnabled)
+            && (event.getReason().equals(m.retrieveSingle(MessageKey.USERNAME_ALREADY_ONLINE_ERROR)))) {
             event.setCancelled(true);
             return;
         }
 
-        Player player = event.getPlayer();
-        plugin.management.performQuit(player, true);
+        plugin.getManagement().performQuit(player, true);
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
     public void onPlayerPickupItem(PlayerPickupItemEvent event) {
-        if (Utils.checkAuth(event.getPlayer()))
+        Player player = event.getPlayer();
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.checkAuth(player) || Utils.isNPC(player)) {
             return;
+        }
         event.setCancelled(true);
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
     public void onPlayerInteract(PlayerInteractEvent event) {
         Player player = event.getPlayer();
-        if (player == null || Utils.checkAuth(player))
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.checkAuth(player) || Utils.isNPC(player)) {
             return;
+        }
         event.setCancelled(true);
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.NORMAL)
     public void onPlayerConsumeItem(PlayerItemConsumeEvent event) {
-        if (Utils.checkAuth(event.getPlayer()))
+        Player player = event.getPlayer();
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.checkAuth(player) || Utils.isNPC(player)) {
             return;
+        }
         event.setCancelled(true);
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
     public void onPlayerInventoryOpen(InventoryOpenEvent event) {
         final Player player = (Player) event.getPlayer();
-        if (Utils.checkAuth(player))
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.checkAuth(player) || Utils.isNPC(player)) {
             return;
+        }
         event.setCancelled(true);
 
         /*
@@ -383,7 +417,6 @@ public class AuthMePlayerListener implements Listener {
          * real, cause no packet is send to server by client for the main inv
          */
         Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, new Runnable() {
-
             @Override
             public void run() {
                 player.closeInventory();
@@ -399,6 +432,10 @@ public class AuthMePlayerListener implements Listener {
             return;
         if (Utils.checkAuth((Player) event.getWhoClicked()))
             return;
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC((Player) event.getWhoClicked()))
+            return;
         event.setCancelled(true);
     }
 
@@ -408,50 +445,85 @@ public class AuthMePlayerListener implements Listener {
         if (!(damager instanceof Player)) {
             return;
         }
-        if (Utils.checkAuth((Player) damager))
+        if (Utils.checkAuth((Player) damager)) {
             return;
+        }
 
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC((Player) damager)) {
+            return;
+        }
         event.setCancelled(true);
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
     public void onPlayerInteractEntity(PlayerInteractEntityEvent event) {
-        Player player = event.getPlayer();
-        if (player == null || Utils.checkAuth(player))
+        if (Utils.checkAuth(event.getPlayer())) {
             return;
+        }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
         event.setCancelled(true);
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
     public void onPlayerDropItem(PlayerDropItemEvent event) {
-        if (Utils.checkAuth(event.getPlayer()))
+        if (Utils.checkAuth(event.getPlayer())) {
             return;
+        }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
         event.setCancelled(true);
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
     public void onPlayerBedEnter(PlayerBedEnterEvent event) {
-        if (Utils.checkAuth(event.getPlayer()))
+        if (Utils.checkAuth(event.getPlayer())) {
             return;
+        }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
         event.setCancelled(true);
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
     public void onSignChange(SignChangeEvent event) {
-        if (Utils.checkAuth(event.getPlayer()))
+        if (Utils.checkAuth(event.getPlayer())) {
             return;
+        }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
         event.setCancelled(true);
     }
 
-    @EventHandler(priority = EventPriority.HIGHEST)
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
     public void onPlayerRespawn(PlayerRespawnEvent event) {
-        Player player = event.getPlayer();
-        if (player == null || Utils.checkAuth(player))
+        if (Utils.checkAuth(event.getPlayer())) {
             return;
+        }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
+
+        Player player = event.getPlayer();
         String name = player.getName().toLowerCase();
         Location spawn = plugin.getSpawnLocation(player);
         if (Settings.isSaveQuitLocationEnabled && plugin.database.isAuthAvailable(name)) {
-            final PlayerAuth auth = new PlayerAuth(name, spawn.getX(), spawn.getY(), spawn.getZ(), spawn.getWorld().getName(), player.getName());
+            PlayerAuth auth = new PlayerAuth(name, spawn.getX(), spawn.getY(), spawn.getZ(), spawn.getWorld().getName(), player.getName());
             plugin.database.updateQuitLoc(auth);
         }
         if (spawn != null && spawn.getWorld() != null) {
@@ -461,13 +533,19 @@ public class AuthMePlayerListener implements Listener {
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
     public void onPlayerGameModeChange(PlayerGameModeChangeEvent event) {
+        if (Utils.checkAuth(event.getPlayer())) {
+            return;
+        }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
+
         Player player = event.getPlayer();
-        if (player == null)
-            return;
-        if (plugin.getPermissionsManager().hasPermission(player, UserPermission.BYPASS_FORCE_SURVIVAL))
-            return;
-        if (Utils.checkAuth(player))
+        if (plugin.getPermissionsManager().hasPermission(player, PlayerPermission.BYPASS_FORCE_SURVIVAL)) {
             return;
+        }
 
         String name = player.getName().toLowerCase();
         if (causeByAuthMe.containsKey(name)) {
@@ -479,17 +557,27 @@ public class AuthMePlayerListener implements Listener {
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.NORMAL)
     public void onPlayerShear(PlayerShearEntityEvent event) {
-        Player player = event.getPlayer();
-        if (player == null || Utils.checkAuth(player))
+        if (Utils.checkAuth(event.getPlayer())) {
             return;
+        }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
         event.setCancelled(true);
     }
 
     @EventHandler(ignoreCancelled = true, priority = EventPriority.NORMAL)
     public void onPlayerFish(PlayerFishEvent event) {
-        Player player = event.getPlayer();
-        if (player == null || Utils.checkAuth(player))
+        if (Utils.checkAuth(event.getPlayer())) {
             return;
+        }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
         event.setCancelled(true);
     }
 

src/main/java/fr/xephi/authme/listener/AuthMePlayerListener16.java

@@ -32,6 +32,11 @@ public class AuthMePlayerListener16 implements Listener {
         if (Utils.checkAuth(event.getPlayer())) {
             return;
         }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
         event.setCancelled(true);
     }
 

src/main/java/fr/xephi/authme/listener/AuthMePlayerListener18.java

@@ -32,6 +32,11 @@ public class AuthMePlayerListener18 implements Listener {
         if (Utils.checkAuth(event.getPlayer())) {
             return;
         }
+
+        // TODO: npc status can be used to bypass security!!!
+        if (Utils.isNPC(event.getPlayer())) {
+            return;
+        }
         event.setCancelled(true);
     }
 

src/main/java/fr/xephi/authme/listener/AuthMeServerListener.java

@@ -2,8 +2,8 @@ package fr.xephi.authme.listener;
 
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.ConsoleLogger;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.util.GeoLiteAPI;
 import org.bukkit.event.EventHandler;
@@ -43,19 +43,13 @@ public class AuthMeServerListener implements Listener {
         }
 
         String countryCode = GeoLiteAPI.getCountryCode(event.getAddress().getHostAddress());
-        if (!Settings.countriesBlacklist.isEmpty()) {
-            if (Settings.countriesBlacklist.contains(countryCode)) {
-                event.setMotd(m.retrieveSingle(MessageKey.COUNTRY_BANNED_ERROR));
-                return;
-            }
+        if (!Settings.countriesBlacklist.isEmpty() && Settings.countriesBlacklist.contains(countryCode)) {
+            event.setMotd(m.retrieveSingle(MessageKey.COUNTRY_BANNED_ERROR));
+            return;
         }
 
-        if (!Settings.countries.isEmpty()) {
-            if (Settings.countries.contains(countryCode)) {
-                event.setMotd(plugin.getServer().getMotd());
-            } else {
-                event.setMotd(m.retrieveSingle(MessageKey.COUNTRY_BANNED_ERROR));
-            }
+        if (!Settings.countries.isEmpty() && !Settings.countries.contains(countryCode)) {
+            event.setMotd(m.retrieveSingle(MessageKey.COUNTRY_BANNED_ERROR));
         }
     }
 

src/main/java/fr/xephi/authme/output/ConsoleFilter.java

@@ -0,0 +1,26 @@
+package fr.xephi.authme.output;
+
+import java.util.logging.Filter;
+import java.util.logging.LogRecord;
+
+/**
+ * Console filter to replace sensitive AuthMe commands with a generic message.
+ *
+ * @author Xephi59
+ */
+public class ConsoleFilter implements Filter {
+
+    @Override
+    public boolean isLoggable(LogRecord record) {
+        if (record == null || record.getMessage() == null) {
+            return true;
+        }
+
+        if (LogFilterHelper.isSensitiveAuthMeCommand(record.getMessage())) {
+            String playerName = record.getMessage().split(" ")[0];
+            record.setMessage(playerName + " issued an AuthMe command");
+        }
+        return true;
+    }
+
+}

src/main/java/fr/xephi/authme/output/Log4JFilter.java

@@ -1,8 +1,8 @@
-package fr.xephi.authme;
+package fr.xephi.authme.output;
 
-import fr.xephi.authme.util.StringUtils;
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.Marker;
+import org.apache.logging.log4j.core.Filter;
 import org.apache.logging.log4j.core.LogEvent;
 import org.apache.logging.log4j.core.Logger;
 import org.apache.logging.log4j.message.Message;
@@ -11,16 +11,8 @@ import org.apache.logging.log4j.message.Message;
  * Implements a filter for Log4j to skip sensitive AuthMe commands.
  *
  * @author Xephi59
- * @version $Revision: 1.0 $
  */
-public class Log4JFilter implements org.apache.logging.log4j.core.Filter {
-
-    /**
-     * List of commands (lower-case) to skip.
-     */
-    private static final String[] COMMANDS_TO_SKIP = {"/login ", "/l ", "/reg ", "/changepassword ",
-        "/unregister ", "/authme register ", "/authme changepassword ", "/authme reg ", "/authme cp ",
-        "/register "};
+public class Log4JFilter implements Filter {
 
     /**
      * Constructor.
@@ -30,12 +22,11 @@ public class Log4JFilter implements org.apache.logging.log4j.core.Filter {
 
     /**
      * Validates a Message instance and returns the {@link Result} value
-     * depending depending on whether the message contains sensitive AuthMe
-     * data.
+     * depending on whether the message contains sensitive AuthMe data.
      *
-     * @param message the Message object to verify
+     * @param message The Message object to verify
      *
-     * @return the Result value
+     * @return The Result value
      */
     private static Result validateMessage(Message message) {
         if (message == null) {
@@ -46,23 +37,16 @@ public class Log4JFilter implements org.apache.logging.log4j.core.Filter {
 
     /**
      * Validates a message and returns the {@link Result} value depending
-     * depending on whether the message contains sensitive AuthMe data.
+     * on whether the message contains sensitive AuthMe data.
      *
-     * @param message the message to verify
+     * @param message The message to verify
      *
-     * @return the Result value
+     * @return The Result value
      */
     private static Result validateMessage(String message) {
-        if (message == null) {
-            return Result.NEUTRAL;
-        }
-
-        String lowerMessage = message.toLowerCase();
-        if (lowerMessage.contains("issued server command:")
-            && StringUtils.containsAny(lowerMessage, COMMANDS_TO_SKIP)) {
-            return Result.DENY;
-        }
-        return Result.NEUTRAL;
+        return LogFilterHelper.isSensitiveAuthMeCommand(message)
+            ? Result.DENY
+            : Result.NEUTRAL;
     }
 
     @Override
@@ -74,14 +58,12 @@ public class Log4JFilter implements org.apache.logging.log4j.core.Filter {
     }
 
     @Override
-    public Result filter(Logger arg0, Level arg1, Marker arg2, String message,
-                         Object... arg4) {
+    public Result filter(Logger arg0, Level arg1, Marker arg2, String message, Object... arg4) {
         return validateMessage(message);
     }
 
     @Override
-    public Result filter(Logger arg0, Level arg1, Marker arg2, Object message,
-                         Throwable arg4) {
+    public Result filter(Logger arg0, Level arg1, Marker arg2, Object message, Throwable arg4) {
         if (message == null) {
             return Result.NEUTRAL;
         }
@@ -89,8 +71,7 @@ public class Log4JFilter implements org.apache.logging.log4j.core.Filter {
     }
 
     @Override
-    public Result filter(Logger arg0, Level arg1, Marker arg2, Message message,
-                         Throwable arg4) {
+    public Result filter(Logger arg0, Level arg1, Marker arg2, Message message, Throwable arg4) {
         return validateMessage(message);
     }
 

src/main/java/fr/xephi/authme/output/LogFilterHelper.java

@@ -0,0 +1,34 @@
+package fr.xephi.authme.output;
+
+import fr.xephi.authme.util.StringUtils;
+
+/**
+ * Service class for the log filters.
+ */
+public final class LogFilterHelper {
+
+    private static final String ISSUED_COMMAND_TEXT = "issued server command:";
+
+    private static final String[] COMMANDS_TO_SKIP = {"/login ", "/l ", "/reg ", "/changepassword ",
+        "/unregister ", "/authme register ", "/authme changepassword ", "/authme reg ", "/authme cp ",
+        "/register "};
+
+    private LogFilterHelper() {
+        // Util class
+    }
+
+    /**
+     * Validate a message and return whether the message contains a sensitive AuthMe command.
+     *
+     * @param message The message to verify
+     *
+     * @return True if it is a sensitive AuthMe command, false otherwise
+     */
+    public static boolean isSensitiveAuthMeCommand(String message) {
+        if (message == null) {
+            return false;
+        }
+        String lowerMessage = message.toLowerCase();
+        return lowerMessage.contains(ISSUED_COMMAND_TEXT) && StringUtils.containsAny(lowerMessage, COMMANDS_TO_SKIP);
+    }
+}

src/main/java/fr/xephi/authme/output/MessageKey.java

@@ -1,10 +1,12 @@
-package fr.xephi.authme.settings;
+package fr.xephi.authme.output;
 
 /**
  * Keys for translatable messages managed by {@link Messages}.
  */
 public enum MessageKey {
 
+    KICK_ANTIBOT("kick_antibot"),
+
     UNKNOWN_USER("unknown_user"),
 
     UNSAFE_QUIT_LOCATION("unsafe_spawn"),

src/main/java/fr/xephi/authme/output/Messages.java

@@ -0,0 +1,82 @@
+package fr.xephi.authme.output;
+
+import fr.xephi.authme.settings.Settings;
+import fr.xephi.authme.util.StringUtils;
+import org.bukkit.command.CommandSender;
+
+/**
+ * Class for retrieving and sending translatable messages to players.
+ * This class detects when the language settings have changed and will
+ * automatically update to use a new language file.
+ */
+public class Messages {
+
+    private static Messages singleton;
+    private final String language;
+    private MessagesManager manager;
+
+
+    private Messages(String language, MessagesManager manager) {
+        this.language = language;
+        this.manager = manager;
+    }
+
+    /**
+     * Get the instance of Messages.
+     *
+     * @return The Messages instance
+     */
+    public static Messages getInstance() {
+        if (singleton == null) {
+            MessagesManager manager = new MessagesManager(Settings.messageFile);
+            singleton = new Messages(Settings.messagesLanguage, manager);
+        }
+        return singleton;
+    }
+
+    /**
+     * Send the given message code to the player.
+     *
+     * @param sender The entity to send the message to
+     * @param key The key of the message to send
+     */
+    public void send(CommandSender sender, MessageKey key) {
+        String[] lines = manager.retrieve(key.getKey());
+        for (String line : lines) {
+            sender.sendMessage(line);
+        }
+    }
+
+    /**
+     * Retrieve the message from the text file and return it split by new line as an array.
+     *
+     * @param key The message key to retrieve
+     *
+     * @return The message split by new lines
+     */
+    public String[] retrieve(MessageKey key) {
+        if (!Settings.messagesLanguage.equalsIgnoreCase(language)) {
+            reloadManager();
+        }
+        return manager.retrieve(key.getKey());
+    }
+
+    /**
+     * Retrieve the message from the text file.
+     *
+     * @param key The message key to retrieve
+     *
+     * @return The message from the file
+     */
+    public String retrieveSingle(MessageKey key) {
+        return StringUtils.join("\n", retrieve(key));
+    }
+
+    /**
+     * Reload the messages manager.
+     */
+    public void reloadManager() {
+        manager = new MessagesManager(Settings.messageFile);
+    }
+
+}

src/main/java/fr/xephi/authme/output/MessagesManager.java

@@ -0,0 +1,62 @@
+package fr.xephi.authme.output;
+
+import fr.xephi.authme.ConsoleLogger;
+import fr.xephi.authme.settings.CustomConfiguration;
+
+import java.io.File;
+
+/**
+ * Class responsible for reading messages from a file and formatting them for Minecraft.
+ * <p />
+ * This class is used within {@link Messages}, which offers a high-level interface for accessing
+ * or sending messages from a properties file.
+ */
+class MessagesManager extends CustomConfiguration {
+
+    /** The section symbol, used in Minecraft for formatting codes. */
+    private static final String SECTION_SIGN = "\u00a7";
+
+
+    /**
+     * Constructor for Messages.
+     *
+     * @param file the configuration file
+     */
+    MessagesManager(File file) {
+        super(file);
+        load();
+    }
+
+    /**
+     * Retrieve the message from the configuration file.
+     *
+     * @param key The key to retrieve
+     *
+     * @return The message
+     */
+    String[] retrieve(String key) {
+        String message = (String) get(key);
+        if (message != null) {
+            return formatMessage(message);
+        }
+
+        // Message is null: log key not being found and send error back as message
+        String retrievalError = "Error getting message with key '" + key + "'. ";
+        ConsoleLogger.showError(retrievalError + "Please verify your config file at '"
+            + getConfigFile().getName() + "'");
+        return new String[]{
+            retrievalError + "Please contact the admin to verify or update the AuthMe messages file."};
+    }
+
+    static String[] formatMessage(String message) {
+        // TODO: Check that the codes actually exist, i.e. replace &c but not &y
+        // TODO: Allow '&' to be retained with the code '&&'
+        String[] lines = message.split("&n");
+        for (int i = 0; i < lines.length; ++i) {
+            // We don't initialize a StringBuilder here because mostly we will only have one entry
+            lines[i] = lines[i].replace("&", SECTION_SIGN);
+        }
+        return lines;
+    }
+
+}

src/main/java/fr/xephi/authme/permission/AdminPermission.java

@@ -1,55 +1,131 @@
 package fr.xephi.authme.permission;
 
 /**
- * AuthMe admin permissions.
+ * AuthMe admin command permissions.
  */
 public enum AdminPermission implements PermissionNode {
 
+    /**
+     * Administrator command to register a new user.
+     */
     REGISTER("authme.admin.register"),
 
+    /**
+     * Administrator command to unregister an existing user.
+     */
     UNREGISTER("authme.admin.unregister"),
 
+    /**
+     * Administrator command to force-login an existing user.
+     */
     FORCE_LOGIN("authme.admin.forcelogin"),
 
+    /**
+     * Administrator command to change the password of a user.
+     */
     CHANGE_PASSWORD("authme.admin.changepassword"),
 
+    /**
+     * Administrator command to see the last login date and time of a user.
+     */
     LAST_LOGIN("authme.admin.lastlogin"),
 
+    /**
+     * Administrator command to see all accounts associated with a user.
+     */
     ACCOUNTS("authme.admin.accounts"),
 
+    /**
+     * Administrator command to get the email address of a user, if set.
+     */
     GET_EMAIL("authme.admin.getemail"),
 
-    CHANGE_EMAIL("authme.admin.chgemail"),
+    /**
+     * Administrator command to set or change the email address of a user.
+     */
+    CHANGE_EMAIL("authme.admin.changemail"),
 
+    /**
+     * Administrator command to get the last known IP of a user.
+     */
     GET_IP("authme.admin.getip"),
 
+    /**
+     * Administrator command to teleport to the AuthMe spawn.
+     */
     SPAWN("authme.admin.spawn"),
 
+    /**
+     * Administrator command to set the AuthMe spawn.
+     */
     SET_SPAWN("authme.admin.setspawn"),
 
+    /**
+     * Administrator command to teleport to the first AuthMe spawn.
+     */
     FIRST_SPAWN("authme.admin.firstspawn"),
 
+    /**
+     * Administrator command to set the first AuthMe spawn.
+     */
     SET_FIRST_SPAWN("authme.admin.setfirstspawn"),
 
+    /**
+     * Administrator command to purge old user data.
+     */
     PURGE("authme.admin.purge"),
 
+    /**
+     * Administrator command to purge the last position of a user.
+     */
     PURGE_LAST_POSITION("authme.admin.purgelastpos"),
 
+    /**
+     * Administrator command to purge all data associated with banned players.
+     */
     PURGE_BANNED_PLAYERS("authme.admin.purgebannedplayers"),
 
+    /**
+     * Administrator command to toggle the AntiBot protection status.
+     */
     SWITCH_ANTIBOT("authme.admin.switchantibot"),
 
-    RELOAD("authme.admin.reload");
+    /**
+     * Administrator command to convert old or other data to AuthMe data.
+     */
+    CONVERTER("authme.admin.converter"),
 
+    /**
+     * Administrator command to reload the plugin configuration.
+     */
+    RELOAD("authme.admin.reload"),
+
+	/**
+	 * Give access to all admin commands.
+	 */
+	ADMIN_ALL("authme.admin.*");
+
+    /**
+     * The permission node.
+     */
     private String node;
 
+    /**
+     * Constructor.
+     *
+     * @param node Permission node.
+     */
+    AdminPermission(String node) {
+        this.node = node;
+    }
+
     @Override
     public String getNode() {
         return node;
     }
 
-    AdminPermission(String node) {
-        this.node = node;
+    @Override
+    public PermissionNode getWildcardNode() {
+        return ADMIN_ALL;
     }
-
 }

src/main/java/fr/xephi/authme/permission/DefaultPermission.java

@@ -0,0 +1,16 @@
+package fr.xephi.authme.permission;
+
+/**
+ * The default permission for a command if there is no support for permission nodes.
+ */
+public enum DefaultPermission {
+
+    /** No one can execute the command. */
+    NOT_ALLOWED,
+
+    /** Only players with the OP status may execute the command. */
+    OP_ONLY,
+
+    /** The command can be executed by anyone. */
+    ALLOWED
+}

src/main/java/fr/xephi/authme/permission/PermissionNode.java

@@ -5,7 +5,18 @@ package fr.xephi.authme.permission;
  */
 public interface PermissionNode {
 
-    /** Return the node of the permission, e.g. "authme.unregister". */
+    /**
+     * Return the node of the permission, e.g. "authme.player.unregister".
+     *
+     * @return The name of the permission node
+     */
     String getNode();
 
+    /**
+     * Return the wildcard node that also grants the permission.
+     *
+     * @return The wildcard permission node (e.g. "authme.player.*")
+     */
+    PermissionNode getWildcardNode();
+
 }

src/main/java/fr/xephi/authme/permission/PermissionsManager.java

@@ -5,11 +5,14 @@ import com.nijiko.permissions.PermissionHandler;
 import com.nijikokun.bukkit.Permissions.Permissions;
 import de.bananaco.bpermissions.api.ApiLayer;
 import de.bananaco.bpermissions.api.CalculableType;
+import fr.xephi.authme.command.CommandDescription;
+import fr.xephi.authme.util.CollectionUtils;
 import net.milkbowl.vault.permission.Permission;
 import org.anjocaido.groupmanager.GroupManager;
 import org.anjocaido.groupmanager.permissions.AnjoPermissionsHandler;
 import org.bukkit.Bukkit;
 import org.bukkit.Server;
+import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 import org.bukkit.event.server.PluginDisableEvent;
 import org.bukkit.event.server.PluginEnableEvent;
@@ -38,7 +41,7 @@ import java.util.logging.Logger;
  * @author Tim Visée, http://timvisee.com
  * @version 0.2.1
  */
-public class PermissionsManager {
+public class PermissionsManager implements PermissionsService {
 
     /**
      * Vault instance.
@@ -100,8 +103,8 @@ public class PermissionsManager {
      *
      * @return The name of the permissions system used.
      */
-    public String getUsedPermissionsSystemType() {
-        return this.permsType.getName();
+    public PermissionsSystemType getSystem() {
+        return permsType;
     }
 
     /**
@@ -295,35 +298,7 @@ public class PermissionsManager {
         }
     }
 
-    /**
-     * Get the logger instance.
-     *
-     * @return Logger instance.
-     */
-    public Logger getLogger() {
-        return this.log;
-    }
 
-    /**
-     * Set the logger instance.
-     *
-     * @param log Logger instance.
-     */
-    public void setLogger(Logger log) {
-        this.log = log;
-    }
-
-    /**
-     * Check if the player has permission. If no permissions system is used, the player has to be OP.
-     *
-     * @param player    The player.
-     * @param permsNode Permissions node.
-     *
-     * @return True if the player has permission.
-     */
-    public boolean hasPermission(Player player, String permsNode) {
-        return hasPermission(player, permsNode, player.isOp());
-    }
 
     /**
      * Check if the player has permission for the given permissions node. If no permissions system is used,
@@ -339,7 +314,42 @@ public class PermissionsManager {
     }
 
     public boolean hasPermission(Player player, PermissionNode permissionNode, boolean def) {
-        return hasPermission(player, permissionNode.getNode(), def);
+        return hasPermission(player, permissionNode.getNode(), def)
+            || hasPermission(player, permissionNode.getWildcardNode().getNode(), def);
+    }
+
+    public boolean hasPermission(Player player, Iterable<PermissionNode> nodes, boolean def) {
+        for (PermissionNode node : nodes) {
+            if (!hasPermission(player, node, def)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    public boolean hasPermission(Player player, CommandDescription command) {
+        if (command.getCommandPermissions() == null
+            || CollectionUtils.isEmpty(command.getCommandPermissions().getPermissionNodes())) {
+            return true;
+        }
+
+        DefaultPermission defaultPermission = command.getCommandPermissions().getDefaultPermission();
+        boolean def = evaluateDefaultPermission(defaultPermission, player);
+        return hasPermission(player, command.getCommandPermissions().getPermissionNodes(), def);
+    }
+
+    public static boolean evaluateDefaultPermission(DefaultPermission defaultPermission, CommandSender sender) {
+        switch (defaultPermission) {
+            case ALLOWED:
+                return true;
+
+            case OP_ONLY:
+                return sender.isOp();
+
+            case NOT_ALLOWED:
+            default:
+                return false;
+        }
     }
 
     /**
@@ -351,7 +361,7 @@ public class PermissionsManager {
      *
      * @return True if the player has permission.
      */
-    public boolean hasPermission(Player player, String permsNode, boolean def) {
+    private boolean hasPermission(Player player, String permsNode, boolean def) {
         // If no permissions system is used, return the default value
         if (!isEnabled())
             return def;
@@ -914,34 +924,5 @@ public class PermissionsManager {
         return removeGroups(player, groupNames);
     }
 
-    private enum PermissionsSystemType {
-        NONE("None"),
-        PERMISSIONS_EX("PermissionsEx"),
-        PERMISSIONS_BUKKIT("Permissions Bukkit"),
-        B_PERMISSIONS("bPermissions"),
-        ESSENTIALS_GROUP_MANAGER("Essentials Group Manager"),
-        Z_PERMISSIONS("zPermissions"),
-        VAULT("Vault"),
-        PERMISSIONS("Permissions");
 
-        public final String name;
-
-        /**
-         * Constructor for PermissionsSystemType.
-         *
-         * @param name String
-         */
-        PermissionsSystemType(String name) {
-            this.name = name;
-        }
-
-        /**
-         * Method getName.
-         *
-         * @return String
-         */
-        public String getName() {
-            return this.name;
-        }
-    }
 }

src/main/java/fr/xephi/authme/permission/PermissionsService.java

@@ -0,0 +1,39 @@
+package fr.xephi.authme.permission;
+
+import fr.xephi.authme.command.CommandDescription;
+import org.bukkit.entity.Player;
+
+/**
+ * Interface for dealing with permissions.
+ */
+public interface PermissionsService {
+
+    /**
+     * Check if the player has the given permission.
+     *
+     * @param player     The player
+     * @param permission The permission node to check
+     * @param def        Default returned if no permissions system is used
+     *
+     * @return True if the player has permission
+     */
+    boolean hasPermission(Player player, PermissionNode permission, boolean def);
+
+    /**
+     * Check if the player has the permissions for the given command.
+     *
+     * @param player  The player
+     * @param command The command whose permissions should be checked
+     *
+     * @return True if the player may execute the command
+     */
+    boolean hasPermission(Player player, CommandDescription command);
+
+    /**
+     * Return the permission system the service is working with.
+     *
+     * @return The permission system AuthMe is hooked into
+     */
+    PermissionsSystemType getSystem();
+
+}

src/main/java/fr/xephi/authme/permission/PermissionsSystemType.java

@@ -0,0 +1,38 @@
+package fr.xephi.authme.permission;
+
+/**
+ * Enum representing the permissions systems AuthMe supports.
+ */
+public enum PermissionsSystemType {
+
+    NONE("None"),
+
+    PERMISSIONS_EX("PermissionsEx"),
+
+    PERMISSIONS_BUKKIT("Permissions Bukkit"),
+
+    B_PERMISSIONS("bPermissions"),
+
+    ESSENTIALS_GROUP_MANAGER("Essentials Group Manager"),
+
+    Z_PERMISSIONS("zPermissions"),
+
+    VAULT("Vault"),
+
+    PERMISSIONS("Permissions");
+
+    public final String name;
+
+    /**
+     * Constructor for PermissionsSystemType.
+     *
+     * @param name The name the permissions manager goes by
+     */
+    PermissionsSystemType(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+}

src/main/java/fr/xephi/authme/permission/PlayerPermission.java

@@ -0,0 +1,111 @@
+package fr.xephi.authme.permission;
+
+/**
+ * AuthMe player permission nodes, for regular players.
+ */
+public enum PlayerPermission implements PermissionNode {
+
+    /**
+     * Permission node to bypass AntiBot protection.
+     */
+    BYPASS_ANTIBOT("authme.player.bypassantibot"),
+
+    /**
+     * Permission node to identify VIP users.
+     */
+    IS_VIP("authme.player.vip"),
+
+    /**
+     * Command permission to login.
+     */
+    LOGIN("authme.player.login"),
+
+    /**
+     * Command permission to logout.
+     */
+    LOGOUT("authme.player.logout"),
+
+    /**
+     * Command permission to register.
+     */
+    REGISTER("authme.player.register"),
+
+    /**
+     * Command permission to unregister.
+     */
+    UNREGISTER("authme.player.unregister"),
+
+    /**
+     * Command permission to change the password.
+     */
+    CHANGE_PASSWORD("authme.player.changepassword"),
+
+    /**
+     * Command permission to add an email address.
+     */
+    ADD_EMAIL("authme.player.email.add"),
+
+    /**
+     * Command permission to change the email address.
+     */
+    CHANGE_EMAIL("authme.player.email.change"),
+
+    /**
+     * Command permission to recover an account using it's email address.
+     */
+    RECOVER_EMAIL("authme.player.email.recover"),
+
+    /**
+     * Command permission to use captcha.
+     */
+    CAPTCHA("authme.player.captcha"),
+
+    /**
+     * Permission for users a login can be forced to.
+     */
+    CAN_LOGIN_BE_FORCED("authme.player.canbeforced"),
+
+    /**
+     * Permission for users to bypass force-survival mode.
+     */
+    BYPASS_FORCE_SURVIVAL("authme.player.bypassforcesurvival"),
+
+    /**
+     * Permission for users to allow two accounts.
+     */
+    ALLOW_MULTIPLE_ACCOUNTS("authme.player.allow2accounts"),
+
+    /**
+     * Permission for user to see other accounts.
+     */
+    SEE_OTHER_ACCOUNTS("authme.player.seeotheraccounts"),
+
+	/**
+	 * Permission to use all player (non-admin) commands.
+	 */
+	PLAYER_ALL("authme.player.*");
+
+    /**
+     * The permission node.
+     */
+    private String node;
+
+    /**
+     * Constructor.
+     *
+     * @param node Permission node.
+     */
+    PlayerPermission(String node) {
+        this.node = node;
+    }
+
+    @Override
+    public String getNode() {
+        return node;
+    }
+
+    @Override
+    public PermissionNode getWildcardNode() {
+        return PLAYER_ALL;
+    }
+}

src/main/java/fr/xephi/authme/permission/UserPermission.java

@@ -1,52 +0,0 @@
-package fr.xephi.authme.permission;
-
-/**
- * AuthMe user permission nodes.
- */
-public enum UserPermission implements PermissionNode {
-
-    BYPASS_ANTIBOT("authme.bypassantibot"),
-
-    IS_VIP("authme.vip"),
-
-    LOGIN("authme.login"),
-
-    LOGOUT("authme.logout"),
-
-    REGISTER("authme.register"),
-
-    UNREGISTER("authme.unregister"),
-
-    CHANGE_PASSWORD("authme.changepassword"),
-
-    ADD_EMAIL("authme.email.add"),
-
-    CHANGE_EMAIL("authme.email.change"),
-
-    RECOVER_EMAIL("authme.email.recover"),
-
-    CAPTCHA("authme.captcha"),
-
-    CONVERTER("authme.converter"),
-
-    CAN_LOGIN_BE_FORCED("authme.canbeforced"),
-
-    BYPASS_FORCE_SURVIVAL("authme.bypassforcesurvival"),
-
-    ALLOW_MULTIPLE_ACCOUNTS("authme.allow2accounts"),
-
-    SEE_OTHER_ACCOUNTS("authme.seeOtherAccounts");
-
-    private String node;
-
-    @Override
-    public String getNode() {
-        return node;
-    }
-
-    UserPermission(String node) {
-        this.node = node;
-    }
-
-
-}

src/main/java/fr/xephi/authme/process/email/AsyncChangeEmail.java

@@ -4,9 +4,9 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.cache.auth.PlayerCache;
-import fr.xephi.authme.permission.UserPermission;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.permission.PlayerPermission;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import org.bukkit.entity.Player;
 
@@ -39,7 +39,7 @@ public class AsyncChangeEmail {
             String playerName = player.getName().toLowerCase();
 
             if (Settings.getmaxRegPerEmail > 0) {
-                if (!plugin.getPermissionsManager().hasPermission(player, UserPermission.ALLOW_MULTIPLE_ACCOUNTS)
+                if (!plugin.getPermissionsManager().hasPermission(player, PlayerPermission.ALLOW_MULTIPLE_ACCOUNTS)
                     && plugin.database.getAllAuthsByEmail(newEmail).size() >= Settings.getmaxRegPerEmail) {
                     m.send(player, MessageKey.MAX_REGISTER_EXCEEDED);
                     return;

src/main/java/fr/xephi/authme/process/join/AsynchronousJoin.java

@@ -10,9 +10,9 @@ import fr.xephi.authme.events.FirstSpawnTeleportEvent;
 import fr.xephi.authme.events.ProtectInventoryEvent;
 import fr.xephi.authme.events.SpawnTeleportEvent;
 import fr.xephi.authme.listener.AuthMePlayerListener;
-import fr.xephi.authme.permission.UserPermission;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.permission.PlayerPermission;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.settings.Spawn;
 import fr.xephi.authme.task.MessageTask;
@@ -50,33 +50,16 @@ public class AsynchronousJoin {
     }
 
     public void process() {
-        if (AuthMePlayerListener.gameMode.containsKey(name))
-            AuthMePlayerListener.gameMode.remove(name);
-        AuthMePlayerListener.gameMode.putIfAbsent(name, player.getGameMode());
-
-        if (Utils.isNPC(player) || Utils.isUnrestricted(player)) {
+        if (Utils.isUnrestricted(player)) {
             return;
         }
 
+        AuthMePlayerListener.gameMode.put(name, player.getGameMode());
+
         if (plugin.ess != null && Settings.disableSocialSpy) {
             plugin.ess.getUser(player).setSocialSpyEnabled(false);
         }
 
-        if (!plugin.canConnect()) {
-            final GameMode gM = AuthMePlayerListener.gameMode.get(name);
-            sched.scheduleSyncDelayedTask(plugin, new Runnable() {
-
-                @Override
-                public void run() {
-                    AuthMePlayerListener.causeByAuthMe.putIfAbsent(name, true);
-                    player.setGameMode(gM);
-                    player.kickPlayer("Server is loading, please wait before joining!");
-                }
-
-            });
-            return;
-        }
-
         final String ip = plugin.getIP(player);
         if (Settings.isAllowRestrictedIp && !Settings.getRestrictedIp(name, ip)) {
             final GameMode gM = AuthMePlayerListener.gameMode.get(name);
@@ -95,7 +78,7 @@ public class AsynchronousJoin {
             return;
         }
         if (Settings.getMaxJoinPerIp > 0
-                && !plugin.getPermissionsManager().hasPermission(player, UserPermission.ALLOW_MULTIPLE_ACCOUNTS)
+                && !plugin.getPermissionsManager().hasPermission(player, PlayerPermission.ALLOW_MULTIPLE_ACCOUNTS)
                 && !ip.equalsIgnoreCase("127.0.0.1")
                 && !ip.equalsIgnoreCase("localhost")) {
             if (plugin.hasJoinedIp(player.getName(), ip)) {
@@ -238,7 +221,7 @@ public class AsynchronousJoin {
             PlayerCache.getInstance().removePlayer(name);
             if (auth != null && auth.getIp().equals(ip)) {
                 m.send(player, MessageKey.SESSION_RECONNECTION);
-                plugin.management.performLogin(player, "dontneed", true);
+                plugin.getManagement().performLogin(player, "dontneed", true);
                 return;
             } else if (Settings.sessionExpireOnIpChange) {
                 m.send(player, MessageKey.SESSION_EXPIRED);
@@ -253,8 +236,11 @@ public class AsynchronousJoin {
                 ? m.retrieve(MessageKey.REGISTER_EMAIL_MESSAGE)
                 : m.retrieve(MessageKey.REGISTER_MESSAGE);
         }
-        BukkitTask msgTask = sched.runTaskAsynchronously(plugin, new MessageTask(plugin, name, msg, msgInterval));
-        LimboCache.getInstance().getLimboPlayer(name).setMessageTaskId(msgTask);
+        if (LimboCache.getInstance().getLimboPlayer(name) != null)
+        {
+            BukkitTask msgTask = sched.runTaskAsynchronously(plugin, new MessageTask(plugin, name, msg, msgInterval));
+            LimboCache.getInstance().getLimboPlayer(name).setMessageTaskId(msgTask);
+        }
     }
 
     private boolean needFirstSpawn() {

src/main/java/fr/xephi/authme/process/login/AsynchronousLogin.java

@@ -8,11 +8,11 @@ import fr.xephi.authme.cache.limbo.LimboCache;
 import fr.xephi.authme.datasource.DataSource;
 import fr.xephi.authme.events.AuthMeAsyncPreLoginEvent;
 import fr.xephi.authme.listener.AuthMePlayerListener;
-import fr.xephi.authme.permission.UserPermission;
+import fr.xephi.authme.permission.PlayerPermission;
 import fr.xephi.authme.security.PasswordSecurity;
 import fr.xephi.authme.security.RandomString;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.task.MessageTask;
 import fr.xephi.authme.util.Utils;
@@ -80,15 +80,12 @@ public class AsynchronousLogin {
                 plugin.captcha.remove(name);
                 plugin.captcha.putIfAbsent(name, i);
             }
-            if (plugin.captcha.containsKey(name) && plugin.captcha.get(name) >= Settings.maxLoginTry) {
-                plugin.cap.put(name, rdm.nextString());
+            if (plugin.captcha.containsKey(name) && plugin.captcha.get(name) > Settings.maxLoginTry) {
+                plugin.cap.putIfAbsent(name, rdm.nextString());
                 for (String s : m.retrieve(MessageKey.USAGE_CAPTCHA)) {
                     player.sendMessage(s.replace("THE_CAPTCHA", plugin.cap.get(name)).replace("<theCaptcha>", plugin.cap.get(name)));
                 }
                 return true;
-            } else if (plugin.captcha.containsKey(name) && plugin.captcha.get(name) >= Settings.maxLoginTry) {
-                plugin.captcha.remove(name);
-                plugin.cap.remove(name);
             }
         }
         return false;
@@ -120,7 +117,7 @@ public class AsynchronousLogin {
             }
             return null;
         }
-        if (Settings.getMaxLoginPerIp > 0 && !plugin.getPermissionsManager().hasPermission(player, UserPermission.ALLOW_MULTIPLE_ACCOUNTS) && !getIP().equalsIgnoreCase("127.0.0.1") && !getIP().equalsIgnoreCase("localhost")) {
+        if (Settings.getMaxLoginPerIp > 0 && !plugin.getPermissionsManager().hasPermission(player, PlayerPermission.ALLOW_MULTIPLE_ACCOUNTS) && !getIP().equalsIgnoreCase("127.0.0.1") && !getIP().equalsIgnoreCase("localhost")) {
             if (plugin.isLoggedIp(name, getIP())) {
                 m.send(player, MessageKey.ALREADY_LOGGED_IN_ERROR);
                 return null;
@@ -135,6 +132,13 @@ public class AsynchronousLogin {
             m.send(player, MessageKey.ACCOUNT_NOT_ACTIVATED);
             return null;
         }
+
+        if (Settings.preventOtherCase && !player.getName().equals(pAuth.getRealName()))
+        {
+        	// TODO: Add a message like : MessageKey.INVALID_NAME_CASE
+        	m.send(player, MessageKey.USERNAME_ALREADY_ONLINE_ERROR);
+        	return null;
+        }
         AuthMeAsyncPreLoginEvent event = new AuthMeAsyncPreLoginEvent(player);
         Bukkit.getServer().getPluginManager().callEvent(event);
         if (!event.canLogin())
@@ -268,7 +272,7 @@ public class AsynchronousLogin {
          * uuidaccounts + "."; } }
          */
         for (Player player : Utils.getOnlinePlayers()) {
-            if (plugin.getPermissionsManager().hasPermission(player, UserPermission.SEE_OTHER_ACCOUNTS)) {
+            if (plugin.getPermissionsManager().hasPermission(player, PlayerPermission.SEE_OTHER_ACCOUNTS)) {
                 player.sendMessage("[AuthMe] The player " + auth.getNickname() + " has " + auths.size() + " accounts");
                 player.sendMessage(message.toString());
                 // player.sendMessage(uuidaccounts.replace("%size%",

src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java

@@ -5,8 +5,8 @@ import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.cache.limbo.LimboCache;
 import fr.xephi.authme.datasource.DataSource;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.util.Utils;
 import fr.xephi.authme.util.Utils.GroupType;
 import org.bukkit.entity.Player;

src/main/java/fr/xephi/authme/process/logout/ProcessSyncronousPlayerLogout.java

@@ -4,8 +4,8 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.cache.limbo.LimboCache;
 import fr.xephi.authme.events.LogoutEvent;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.task.MessageTask;
 import fr.xephi.authme.task.TimeoutTask;

src/main/java/fr/xephi/authme/process/quit/AsynchronousQuit.java

@@ -47,7 +47,7 @@ public class AsynchronousQuit {
     public void process() {
         if (player == null)
             return;
-        if (Utils.isNPC(player) || Utils.isUnrestricted(player)) {
+        if (Utils.isUnrestricted(player)) {
             return;
         }
 

src/main/java/fr/xephi/authme/process/register/AsyncRegister.java

@@ -5,16 +5,13 @@ import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.datasource.DataSource;
-import fr.xephi.authme.permission.UserPermission;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
+import fr.xephi.authme.permission.PlayerPermission;
 import fr.xephi.authme.security.PasswordSecurity;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
 import fr.xephi.authme.settings.Settings;
 import org.bukkit.entity.Player;
 
-import java.security.NoSuchAlgorithmException;
-import java.util.Date;
-
 /**
  */
 public class AsyncRegister {
@@ -22,7 +19,8 @@ public class AsyncRegister {
     protected final Player player;
     protected final String name;
     protected final String password;
-    protected String email = "";
+    private final String ip;
+    private String email = "";
     private final AuthMe plugin;
     private final DataSource database;
     private final Messages m;
@@ -35,13 +33,10 @@ public class AsyncRegister {
         this.email = email;
         this.plugin = plugin;
         this.database = data;
+        this.ip = plugin.getIP(player);
     }
 
-    protected String getIp() {
-        return plugin.getIP(player);
-    }
-
-    protected boolean preRegisterCheck() throws Exception {
+    private boolean preRegisterCheck() throws Exception {
         String passLow = password.toLowerCase();
         if (PlayerCache.getInstance().isAuthenticated(name)) {
             m.send(player, MessageKey.ALREADY_LOGGED_IN_ERROR);
@@ -65,10 +60,10 @@ public class AsyncRegister {
             m.send(player, MessageKey.NAME_ALREADY_REGISTERED);
             return false;
         } else if (Settings.getmaxRegPerIp > 0
-                && !plugin.getPermissionsManager().hasPermission(player, UserPermission.ALLOW_MULTIPLE_ACCOUNTS)
-                && database.getAllAuthsByIp(getIp()).size() >= Settings.getmaxRegPerIp
-                && !getIp().equalsIgnoreCase("127.0.0.1")
-                && !getIp().equalsIgnoreCase("localhost")) {
+            && !plugin.getPermissionsManager().hasPermission(player, PlayerPermission.ALLOW_MULTIPLE_ACCOUNTS)
+            && !ip.equalsIgnoreCase("127.0.0.1")
+            && !ip.equalsIgnoreCase("localhost")
+            && database.getAllAuthsByIp(ip).size() >= Settings.getmaxRegPerIp) {
             m.send(player, MessageKey.MAX_REGISTER_EXCEEDED);
             return false;
         }
@@ -81,16 +76,10 @@ public class AsyncRegister {
                 return;
             }
             if (!email.isEmpty() && !email.equals("")) {
-                if (Settings.getmaxRegPerEmail > 0
-                        && !plugin.getPermissionsManager().hasPermission(player, UserPermission.ALLOW_MULTIPLE_ACCOUNTS)
-                        && database.getAllAuthsByEmail(email).size() >= Settings.getmaxRegPerEmail) {
-                    m.send(player, MessageKey.MAX_REGISTER_EXCEEDED);
-                    return;
-                }
                 emailRegister();
-                return;
+            } else {
+                passwordRegister();
             }
-            passwordRegister();
         } catch (Exception e) {
             ConsoleLogger.showError(e.getMessage());
             ConsoleLogger.writeStackTrace(e);
@@ -98,20 +87,32 @@ public class AsyncRegister {
         }
     }
 
-    protected void emailRegister() throws Exception {
+    private void emailRegister() throws Exception {
         if (Settings.getmaxRegPerEmail > 0
-                && !plugin.getPermissionsManager().hasPermission(player, UserPermission.ALLOW_MULTIPLE_ACCOUNTS)
-                && database.getAllAuthsByEmail(email).size() >= Settings.getmaxRegPerEmail) {
+            && !plugin.getPermissionsManager().hasPermission(player, PlayerPermission.ALLOW_MULTIPLE_ACCOUNTS)
+            && database.getAllAuthsByEmail(email).size() >= Settings.getmaxRegPerEmail) {
             m.send(player, MessageKey.MAX_REGISTER_EXCEEDED);
             return;
         }
-        PlayerAuth auth;
         final String hashNew = PasswordSecurity.getHash(Settings.getPasswordHash, password, name);
-        auth = new PlayerAuth(name, hashNew, getIp(), 0, (int) player.getLocation().getX(), (int) player.getLocation().getY(), (int) player.getLocation().getZ(), player.getLocation().getWorld().getName(), email, player.getName());
-        if (PasswordSecurity.userSalt.containsKey(name)) {
-            auth.setSalt(PasswordSecurity.userSalt.get(name));
+        final String salt = PasswordSecurity.userSalt.get(name);
+        PlayerAuth auth = PlayerAuth.builder()
+            .name(name)
+            .realName(player.getName())
+            .hash(hashNew)
+            .ip(ip)
+            .locWorld(player.getLocation().getWorld().getName())
+            .locX(player.getLocation().getX())
+            .locY(player.getLocation().getY())
+            .locZ(player.getLocation().getZ())
+            .email(email)
+            .salt(salt != null ? salt : "")
+            .build();
+
+        if (!database.saveAuth(auth)) {
+            m.send(player, MessageKey.ERROR);
+            return;
         }
-        database.saveAuth(auth);
         database.updateEmail(auth);
         database.updateSession(auth);
         plugin.mail.main(auth, password);
@@ -120,21 +121,21 @@ public class AsyncRegister {
 
     }
 
-    protected void passwordRegister() {
-        PlayerAuth auth;
-        String hash;
-        try {
-            hash = PasswordSecurity.getHash(Settings.getPasswordHash, password, name);
-        } catch (NoSuchAlgorithmException e) {
-            ConsoleLogger.showError(e.getMessage());
-            m.send(player, MessageKey.ERROR);
-            return;
-        }
-        if (Settings.getMySQLColumnSalt.isEmpty() && !PasswordSecurity.userSalt.containsKey(name)) {
-            auth = new PlayerAuth(name, hash, getIp(), new Date().getTime(), "your@email.com", player.getName());
-        } else {
-            auth = new PlayerAuth(name, hash, PasswordSecurity.userSalt.get(name), getIp(), new Date().getTime(), player.getName());
-        }
+    private void passwordRegister() throws Exception {
+        final String hashNew = PasswordSecurity.getHash(Settings.getPasswordHash, password, name);
+        final String salt = PasswordSecurity.userSalt.get(name);
+        PlayerAuth auth = PlayerAuth.builder()
+            .name(name)
+            .realName(player.getName())
+            .hash(hashNew)
+            .ip(ip)
+            .locWorld(player.getLocation().getWorld().getName())
+            .locX(player.getLocation().getX())
+            .locY(player.getLocation().getY())
+            .locZ(player.getLocation().getZ())
+            .salt(salt != null ? salt : "")
+            .build();
+
         if (!database.saveAuth(auth)) {
             m.send(player, MessageKey.ERROR);
             return;

src/main/java/fr/xephi/authme/process/register/ProcessSyncEmailRegister.java

@@ -4,8 +4,8 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.cache.limbo.LimboCache;
 import fr.xephi.authme.cache.limbo.LimboPlayer;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.task.MessageTask;
 import fr.xephi.authme.task.TimeoutTask;

src/main/java/fr/xephi/authme/process/register/ProcessSyncronousPasswordRegister.java

@@ -6,8 +6,8 @@ import fr.xephi.authme.cache.limbo.LimboCache;
 import fr.xephi.authme.cache.limbo.LimboPlayer;
 import fr.xephi.authme.events.LoginEvent;
 import fr.xephi.authme.events.RestoreInventoryEvent;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.task.MessageTask;
 import fr.xephi.authme.task.TimeoutTask;
@@ -41,15 +41,13 @@ public class ProcessSyncronousPasswordRegister implements Runnable {
         this.plugin = plugin;
     }
 
-    protected void forceCommands() {
+    private void forceCommands() {
         for (String command : Settings.forceRegisterCommands) {
-            try {
-                player.performCommand(command.replace("%p", player.getName()));
-            } catch (Exception ignored) {
-            }
+            player.performCommand(command.replace("%p", player.getName()));
         }
         for (String command : Settings.forceRegisterCommandsAsConsole) {
-            Bukkit.getServer().dispatchCommand(Bukkit.getServer().getConsoleSender(), command.replace("%p", player.getName()));
+            Bukkit.getServer().dispatchCommand(Bukkit.getServer().getConsoleSender(),
+                command.replace("%p", player.getName()));
         }
     }
 
@@ -58,20 +56,21 @@ public class ProcessSyncronousPasswordRegister implements Runnable {
      *
      * @param player Player
      */
-    protected void forceLogin(Player player) {
+    private void forceLogin(Player player) {
         Utils.teleportToSpawn(player);
-        if (LimboCache.getInstance().hasLimboPlayer(name))
-            LimboCache.getInstance().deleteLimboPlayer(name);
-        LimboCache.getInstance().addLimboPlayer(player);
+        LimboCache cache = LimboCache.getInstance();
+        cache.updateLimboPlayer(player);
         int delay = Settings.getRegistrationTimeout * 20;
         int interval = Settings.getWarnMessageInterval;
         BukkitScheduler sched = plugin.getServer().getScheduler();
+        BukkitTask task;
         if (delay != 0) {
-            BukkitTask id = sched.runTaskLaterAsynchronously(plugin, new TimeoutTask(plugin, name, player), delay);
-            LimboCache.getInstance().getLimboPlayer(name).setTimeoutTaskId(id);
+            task = sched.runTaskLaterAsynchronously(plugin, new TimeoutTask(plugin, name, player), delay);
+            cache.getLimboPlayer(name).setTimeoutTaskId(task);
         }
-        BukkitTask msgT = sched.runTaskAsynchronously(plugin, new MessageTask(plugin, name, m.retrieve(MessageKey.LOGIN_MESSAGE), interval));
-        LimboCache.getInstance().getLimboPlayer(name).setMessageTaskId(msgT);
+        task = sched.runTaskAsynchronously(plugin, new MessageTask(plugin, name,
+            m.retrieve(MessageKey.LOGIN_MESSAGE), interval));
+        cache.getLimboPlayer(name).setMessageTaskId(task);
         if (player.isInsideVehicle() && player.getVehicle() != null) {
             player.getVehicle().eject();
         }
@@ -97,33 +96,39 @@ public class ProcessSyncronousPasswordRegister implements Runnable {
                 }
             }
 
-            limbo.getTimeoutTaskId().cancel();
-            limbo.getMessageTaskId().cancel();
             LimboCache.getInstance().deleteLimboPlayer(name);
         }
 
         if (!Settings.getRegisteredGroup.isEmpty()) {
             Utils.setGroup(player, Utils.GroupType.REGISTERED);
         }
+
         m.send(player, MessageKey.REGISTER_SUCCESS);
-        if (!Settings.getmailAccount.isEmpty())
+
+        if (!Settings.getmailAccount.isEmpty()) {
             m.send(player, MessageKey.ADD_EMAIL_MESSAGE);
+        }
         if (player.getGameMode() != GameMode.CREATIVE && !Settings.isMovementAllowed) {
             player.setAllowFlight(false);
             player.setFlying(false);
         }
-        if (Settings.applyBlindEffect)
+
+        if (Settings.applyBlindEffect) {
             player.removePotionEffect(PotionEffectType.BLINDNESS);
-        if (!Settings.isMovementAllowed && Settings.isRemoveSpeedEnabled) {
-            player.setWalkSpeed(0.2f);
-            player.setFlySpeed(0.1f);
         }
+
+        if (!Settings.isMovementAllowed && Settings.isRemoveSpeedEnabled) {
+            player.setWalkSpeed(0.0f);
+            player.setFlySpeed(0.0f);
+        }
+
         // The LoginEvent now fires (as intended) after everything is processed
         plugin.getServer().getPluginManager().callEvent(new LoginEvent(player, true));
         player.saveData();
 
-        if (!Settings.noConsoleSpam)
+        if (!Settings.noConsoleSpam) {
             ConsoleLogger.info(player.getName() + " registered " + plugin.getIP(player));
+        }
 
         // Kick Player after Registration is enabled, kick the player
         if (Settings.forceRegKick) {
@@ -138,7 +143,7 @@ public class ProcessSyncronousPasswordRegister implements Runnable {
         }
 
         // Register is finish and player is logged, display welcome message
-        if (Settings.useWelcomeMessage)
+        if (Settings.useWelcomeMessage) {
             if (Settings.broadcastWelcomeMessage) {
                 for (String s : Settings.welcomeMsg) {
                     plugin.getServer().broadcastMessage(plugin.replaceAllInfo(s, player));
@@ -148,6 +153,7 @@ public class ProcessSyncronousPasswordRegister implements Runnable {
                     player.sendMessage(plugin.replaceAllInfo(s, player));
                 }
             }
+        }
 
         // Register is now finish , we can force all commands
         forceCommands();

src/main/java/fr/xephi/authme/process/unregister/AsynchronousUnregister.java

@@ -7,8 +7,8 @@ import fr.xephi.authme.cache.backup.JsonCache;
 import fr.xephi.authme.cache.limbo.LimboCache;
 import fr.xephi.authme.cache.limbo.LimboPlayer;
 import fr.xephi.authme.security.PasswordSecurity;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.task.MessageTask;
 import fr.xephi.authme.task.TimeoutTask;

src/main/java/fr/xephi/authme/settings/Messages.java

@@ -1,115 +0,0 @@
-package fr.xephi.authme.settings;
-
-import fr.xephi.authme.ConsoleLogger;
-import fr.xephi.authme.util.StringUtils;
-import org.bukkit.command.CommandSender;
-
-import java.io.File;
-
-/**
- * Class for retrieving and sending translatable messages to players.
- */
-// TODO ljacqu 20151124: This class is a weird mix between singleton and POJO
-// TODO: change it into POJO
-public class Messages extends CustomConfiguration {
-
-    /** The section symbol, used in Minecraft for formatting codes. */
-    private static final String SECTION_SIGN = "\u00a7";
-    private static Messages singleton;
-    private String language;
-
-
-    /**
-     * Constructor for Messages.
-     *
-     * @param file the configuration file
-     * @param lang the code of the language to use
-     */
-    public Messages(File file, String lang) {
-        super(file);
-        load();
-        this.language = lang;
-    }
-
-    public static Messages getInstance() {
-        if (singleton == null) {
-            singleton = new Messages(Settings.messageFile, Settings.messagesLanguage);
-        }
-        return singleton;
-    }
-
-    /**
-     * Send the given message code to the player.
-     *
-     * @param sender The entity to send the message to
-     * @param key The key of the message to send
-     */
-    public void send(CommandSender sender, MessageKey key) {
-        String[] lines = retrieve(key);
-        for (String line : lines) {
-            sender.sendMessage(line);
-        }
-    }
-
-    /**
-     * Retrieve the message from the text file and return it split by new line as an array.
-     *
-     * @param key The message key to retrieve
-     *
-     * @return The message split by new lines
-     */
-    public String[] retrieve(MessageKey key) {
-        return retrieve(key.getKey());
-    }
-
-    /**
-     * Retrieve the message from the text file.
-     *
-     * @param key The message key to retrieve
-     *
-     * @return The message from the file
-     */
-    public String retrieveSingle(MessageKey key) {
-        return StringUtils.join("\n", retrieve(key.getKey()));
-    }
-
-    /**
-     * Retrieve the message from the configuration file.
-     *
-     * @param key The key to retrieve
-     *
-     * @return The message
-     */
-    private String[] retrieve(String key) {
-        if (!Settings.messagesLanguage.equalsIgnoreCase(language)) {
-            reloadMessages();
-        }
-        String message = (String) get(key);
-        if (message != null) {
-            return formatMessage(message);
-        }
-
-        // Message is null: log key not being found and send error back as message
-        String retrievalError = "Error getting message with key '" + key + "'. ";
-        ConsoleLogger.showError(retrievalError + "Please verify your config file at '"
-            + getConfigFile().getName() + "'");
-        return new String[]{
-            retrievalError + "Please contact the admin to verify or update the AuthMe messages file."};
-    }
-
-    private static String[] formatMessage(String message) {
-        // TODO: Check that the codes actually exist, i.e. replace &c but not &y
-        // TODO: Allow '&' to be retained with the code '&&'
-        String[] lines = message.split("&n");
-        for (int i = 0; i < lines.length; ++i) {
-            // We don't initialize a StringBuilder here because mostly we will only have one entry
-            lines[i] = lines[i].replace("&", SECTION_SIGN);
-        }
-        return lines;
-    }
-
-    public void reloadMessages() {
-        singleton = new Messages(Settings.messageFile, Settings.messagesLanguage);
-    }
-
-}

src/main/java/fr/xephi/authme/settings/Settings.java

@@ -8,7 +8,11 @@ import fr.xephi.authme.security.HashAlgorithm;
 import fr.xephi.authme.util.Wrapper;
 import org.bukkit.configuration.file.YamlConfiguration;
 
+import com.google.common.base.Charsets;
+import com.google.common.io.Files;
+
 import java.io.*;
+import java.nio.charset.Charset;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Iterator;
@@ -17,12 +21,13 @@ import java.util.regex.Pattern;
 
 /**
  */
-public final class Settings extends YamlConfiguration {
+public final class Settings {
 
     public static final File PLUGIN_FOLDER = Wrapper.getInstance().getDataFolder();
     public static final File MODULE_FOLDER = new File(PLUGIN_FOLDER, "modules");
     public static final File CACHE_FOLDER = new File(PLUGIN_FOLDER, "cache");
     public static final File AUTH_FILE = new File(PLUGIN_FOLDER, "auths.db");
+    public static final File EMAIL_FILE = new File(PLUGIN_FOLDER, "email.html");
     public static final File SETTINGS_FILE = new File(PLUGIN_FOLDER, "config.yml");
     public static final File LOG_FILE = new File(PLUGIN_FOLDER, "authme.log");
     // This is not an option!
@@ -68,7 +73,7 @@ public final class Settings extends YamlConfiguration {
         enableProtection, enableAntiBot, recallEmail, useWelcomeMessage,
         broadcastWelcomeMessage, forceRegKick, forceRegLogin,
         checkVeryGames, delayJoinLeaveMessages, noTeleport, applyBlindEffect,
-        customAttributes, generateImage, isRemoveSpeedEnabled, isMySQLWebsite;
+        customAttributes, generateImage, isRemoveSpeedEnabled, preventOtherCase;
     public static String helpHeader, getNickRegex, getUnloggedinGroup, getMySQLHost,
         getMySQLPort, getMySQLUsername, getMySQLPassword, getMySQLDatabase,
         getMySQLTablename, getMySQLColumnName, getMySQLColumnPassword,
@@ -116,7 +121,7 @@ public final class Settings extends YamlConfiguration {
         if (!exist) {
             plugin.saveDefaultConfig();
         }
-        instance.load(SETTINGS_FILE);
+        configFile.load(SETTINGS_FILE);
         if (exist) {
             instance.mergeConfig();
         }
@@ -184,7 +189,12 @@ public final class Settings extends YamlConfiguration {
         getMySQLColumnRealName = configFile.getString("DataSource.mySQLRealName", "realname");
         getNonActivatedGroup = configFile.getInt("ExternalBoardOptions.nonActivedUserGroup", -1);
         unRegisteredGroup = configFile.getString("GroupOptions.UnregisteredPlayerGroup", "");
-        getUnrestrictedName = configFile.getStringList("settings.unrestrictions.UnrestrictedName");
+
+        getUnrestrictedName = new ArrayList<>();
+        for (String name : configFile.getStringList("settings.unrestrictions.UnrestrictedName")) {
+            getUnrestrictedName.add(name.toLowerCase());
+        }
+
         getRegisteredGroup = configFile.getString("GroupOptions.RegisteredPlayerGroup", "");
         getEnablePasswordVerifier = configFile.getBoolean("settings.restrictions.enablePasswordVerifier", true);
 
@@ -226,7 +236,7 @@ public final class Settings extends YamlConfiguration {
         maxLoginTry = configFile.getInt("Security.captcha.maxLoginTry", 5);
         captchaLength = configFile.getInt("Security.captcha.captchaLength", 5);
         getMailSubject = configFile.getString("Email.mailSubject", "Your new AuthMe Password");
-        getMailText = configFile.getString("Email.mailText", "Dear <playername>, <br /><br /> This is your new AuthMe password for the server <br /><br /> <servername> : <br /><br /> <generatedpass><br /><br />Do not forget to change password after login! <br /> /changepassword <generatedpass> newPassword");
+        getMailText = loadEmailText();
         emailRegistration = configFile.getBoolean("settings.registration.enableEmailRegistrationSystem", false);
         saltLength = configFile.getInt("settings.security.doubleMD5SaltLength", 8);
         getmaxRegPerEmail = configFile.getInt("Email.maxRegPerEmail", 1);
@@ -284,20 +294,47 @@ public final class Settings extends YamlConfiguration {
         forceRegisterCommandsAsConsole = configFile.getStringList("settings.forceRegisterCommandsAsConsole");
         customAttributes = configFile.getBoolean("Hooks.customAttributes");
         generateImage = configFile.getBoolean("Email.generateImage", false);
-        isMySQLWebsite = configFile.getBoolean("DataSource.mySQLWebsite", false);
+        preventOtherCase = configFile.getBoolean("settings.preventOtherCase", false);
 
         // Load the welcome message
         getWelcomeMessage();
 
     }
 
-    /**
-     * Method setValue.
-     *
-     * @param key   String
-     * @param value Object
-     */
-    public static void setValue(String key, Object value) {
+    private static String loadEmailText() {
+    	if (!EMAIL_FILE.exists())
+    		saveDefaultEmailText();
+    	StringBuilder str = new StringBuilder();
+    	try {
+    		BufferedReader in = new BufferedReader(new FileReader(EMAIL_FILE));
+    		String s;
+    		while ((s = in.readLine()) != null)
+    			str.append(s);
+    		in.close();
+    	} catch(IOException e)
+    	{
+    	}
+    	return str.toString();
+	}
+
+	private static void saveDefaultEmailText() {
+		InputStream file = plugin.getResource("email.html");
+		StringBuilder str = new StringBuilder();
+		try {
+			BufferedReader in = new BufferedReader(new InputStreamReader(file, Charset.forName("utf-8")));
+			String s;
+			while ((s = in.readLine()) != null)
+				str.append(s);
+			in.close();
+			Files.touch(EMAIL_FILE);
+			Files.write(str.toString(), EMAIL_FILE, Charsets.UTF_8);
+		}
+		catch(Exception e)
+		{
+		}
+	}
+
+	public static void setValue(String key, Object value) {
         instance.set(key, value);
         save();
     }
@@ -368,9 +405,9 @@ public final class Settings extends YamlConfiguration {
      */
     public static boolean save() {
         try {
-            instance.save(SETTINGS_FILE);
+            configFile.save(SETTINGS_FILE);
             return true;
-        } catch (Exception ex) {
+        } catch (IOException ex) {
             return false;
         }
     }
@@ -588,7 +625,7 @@ public final class Settings extends YamlConfiguration {
             set("VeryGames.enableIpCheck", false);
             changes = true;
         }
-        if (getString("settings.restrictions.allowedNicknameCharacters").equals("[a-zA-Z0-9_?]*")) {
+        if (configFile.getString("settings.restrictions.allowedNicknameCharacters").equals("[a-zA-Z0-9_?]*")) {
             set("settings.restrictions.allowedNicknameCharacters", "[a-zA-Z0-9_]*");
             changes = true;
         }
@@ -676,9 +713,17 @@ public final class Settings extends YamlConfiguration {
             set("DataSource.mySQLRealName", "realname");
             changes = true;
         }
-        if (!contains("DataSource.mySQLQueryCache")) {
-            set("DataSource.mySQLWebsite", false);
-            changes = true;
+
+        if (!contains("settings.preventOtherCase"))
+        {
+        	set("settings.preventOtherCase", false);
+        	changes = true;
+        }
+
+        if (contains("Email.mailText"))
+        {
+        	set("Email.mailText", null);
+        	ConsoleLogger.showError("Remove Email.mailText from config, we now use the email.html file");
         }
 
         if (changes) {
@@ -687,19 +732,30 @@ public final class Settings extends YamlConfiguration {
         }
     }
 
+    private static boolean contains(String path) {
+        return configFile.contains(path);
+    }
+
+    // public because it's used in AuthMe at one place
+    public void set(String path, Object value) {
+        configFile.set(path, value);
+    }
+
     /**
      * Saves current configuration (plus defaults) to disk.
-     * <p/>
+     * <p>
      * If defaults and configuration are empty, saves blank file.
      *
      * @return True if saved successfully
      */
     public final boolean saveDefaults() {
-        options().copyDefaults(true);
-        options().copyHeader(true);
+        configFile.options()
+            .copyDefaults(true)
+            .copyHeader(true);
         boolean success = save();
-        options().copyDefaults(false);
-        options().copyHeader(false);
+        configFile.options()
+            .copyDefaults(false)
+            .copyHeader(false);
         return success;
     }
 }

src/main/java/fr/xephi/authme/task/ChangePasswordTask.java

@@ -5,8 +5,8 @@ import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.cache.auth.PlayerAuth;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.security.PasswordSecurity;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import org.bukkit.entity.Player;
 

src/main/java/fr/xephi/authme/task/TimeoutTask.java

@@ -2,8 +2,8 @@ package fr.xephi.authme.task;
 
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.cache.auth.PlayerCache;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 

src/main/java/fr/xephi/authme/util/CollectionUtils.java

@@ -0,0 +1,52 @@
+package fr.xephi.authme.util;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * Utils class for collections.
+ */
+public final class CollectionUtils {
+
+    private CollectionUtils() {
+    }
+
+    /**
+     * Get a range from a list based on start and count parameters in a safe way.
+     *
+     * @param start The start index
+     * @param count The number of elements to add
+     *
+     * @return The sublist consisting at most of {@code count} elements (less if the parameters
+     * exceed the size of the list)
+     */
+    public static <T> List<T> getRange(List<T> list, int start, int count) {
+        if (start >= list.size() || count <= 0) {
+            return new ArrayList<>();
+        } else if (start < 0) {
+            start = 0;
+        }
+        int end = Math.min(list.size(), start + count);
+        return list.subList(start, end);
+    }
+
+    /**
+     * Get all elements from a list starting from the given index.
+     *
+     * @param start The start index
+     *
+     * @return The sublist of all elements from index {@code start} and on; empty list
+     * if the start index exceeds the list's size
+     */
+    public static <T> List<T> getRange(List<T> list, int start) {
+        if (start >= list.size()) {
+            return new ArrayList<>();
+        }
+        return getRange(list, start, list.size() - start);
+    }
+
+    public static <T> boolean isEmpty(Collection<T> coll) {
+        return coll == null || coll.isEmpty();
+    }
+}

src/main/java/fr/xephi/authme/util/StringUtils.java

@@ -13,8 +13,6 @@ import java.util.Arrays;
  */
 public final class StringUtils {
 
-    public static final String newline = System.getProperty("line.separator");
-
     private StringUtils() {
         // Utility class
     }
@@ -29,8 +27,9 @@ public final class StringUtils {
      */
     public static double getDifference(String first, String second) {
         // Make sure the strings are valid.
-        if (first == null || second == null)
+        if (first == null || second == null) {
             return 1.0;
+        }
 
         // Create a string similarity service instance, to allow comparison
         StringSimilarityService service = new StringSimilarityServiceImpl(new LevenshteinDistanceStrategy());

src/main/java/fr/xephi/authme/util/Utils.java

@@ -7,7 +7,7 @@ import fr.xephi.authme.cache.limbo.LimboCache;
 import fr.xephi.authme.cache.limbo.LimboPlayer;
 import fr.xephi.authme.events.AuthMeTeleportEvent;
 import fr.xephi.authme.permission.PermissionsManager;
-import fr.xephi.authme.permission.UserPermission;
+import fr.xephi.authme.permission.PlayerPermission;
 import fr.xephi.authme.settings.Settings;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
@@ -137,7 +137,7 @@ public final class Utils {
 
     // TODO: Move to a Manager
     public static boolean checkAuth(Player player) {
-        if (player == null || Utils.isUnrestricted(player) || Utils.isNPC(player)) {
+        if (player == null || Utils.isUnrestricted(player)) {
             return true;
         }
 
@@ -156,8 +156,9 @@ public final class Utils {
     }
 
     public static boolean isUnrestricted(Player player) {
-        return Settings.isAllowRestrictedIp && !Settings.getUnrestrictedName.isEmpty()
-            && (Settings.getUnrestrictedName.contains(player.getName()));
+        return Settings.isAllowRestrictedIp
+            && !Settings.getUnrestrictedName.isEmpty()
+            && (Settings.getUnrestrictedName.contains(player.getName().toLowerCase()));
     }
 
     /**
@@ -201,7 +202,7 @@ public final class Utils {
      * @param player the player to modify.
      */
     public static void forceGM(Player player) {
-        if (!plugin.getPermissionsManager().hasPermission(player, UserPermission.BYPASS_FORCE_SURVIVAL)) {
+        if (!plugin.getPermissionsManager().hasPermission(player, PlayerPermission.BYPASS_FORCE_SURVIVAL)) {
             player.setGameMode(GameMode.SURVIVAL);
         }
     }

src/main/java/fr/xephi/authme/util/Wrapper.java

@@ -2,7 +2,7 @@ package fr.xephi.authme.util;
 
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.cache.auth.PlayerCache;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.Messages;
 import org.bukkit.Bukkit;
 import org.bukkit.Server;
 import org.bukkit.scheduler.BukkitScheduler;

src/main/resources/config.yml

@@ -259,6 +259,9 @@ settings:
     delayJoinLeaveMessages: true
     # Do we need to add potion effect Blinding before login/register ?
     applyBlindEffect: false
+    # Do we need to prevent people to login without another case ?
+    # Xephi is registered, also Xephi can login, but not XEPHI/xephi/XePhI
+    preventOtherCase: false
 ExternalBoardOptions:
     # MySQL column for the salt , needed for some forum/cms support
     mySQLColumnSalt: ''
@@ -388,12 +391,14 @@ Protection:
     # Enable some servers protection ( country based login, antibot )
     enableProtection: false
     # Countries allowed to join the server and register, see http://dev.bukkit.org/bukkit-plugins/authme-reloaded/pages/countries-codes/ for countries' codes
+    # PLEASE USE QUOTES!
     countries:
-    - US
-    - GB
+    - 'US'
+    - 'GB'
     # Countries blacklisted automatically ( without any needed to enable protection )
+    # PLEASE USE QUOTES!
     countriesBlacklist:
-    - A1
+    - 'A1'
     # Do we need to enable automatic antibot system?
     enableAntiBot: false
     # Max number of player allowed to login in 5 secs before enable AntiBot system automatically

src/main/resources/email.html

@@ -0,0 +1,16 @@
+<h1>
+Dear %playername%,
+</h1>
+
+<p>
+This is your new AuthMe password for the server %servername%:
+
+%generatedpass%
+
+%image%
+
+Do not forget to change password after login!
+/changepassword %generatedpass% newPassword'
+
+See you on %servername%!
+</p>

src/main/resources/messages/messages_en.yml

@@ -1,3 +1,4 @@
+kick_antibot: 'AntiBot protection mode is enabled! You have to wait some minutes before joining the server.'
 unknown_user: '&cCan''t find the requested user in the database!'
 unsafe_spawn: '&cYour quit location was unsafe, you have been teleported to the world''s spawnpoint.'
 not_logged_in: '&cYou''re not logged in!'

src/test/java/fr/xephi/authme/command/CommandHandlerTest.java

@@ -0,0 +1,135 @@
+package fr.xephi.authme.command;
+
+import fr.xephi.authme.permission.DefaultPermission;
+import fr.xephi.authme.permission.PlayerPermission;
+import fr.xephi.authme.util.WrapperMock;
+import org.bukkit.command.CommandSender;
+import org.junit.BeforeClass;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mockito;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import static java.util.Arrays.asList;
+import static java.util.Collections.singletonList;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.stringContainsInOrder;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
+/**
+ * Test for {@link CommandHandler}.
+ */
+public class CommandHandlerTest {
+
+    private static Set<CommandDescription> commands;
+    private static CommandHandler handler;
+
+    @BeforeClass
+    public static void setUpCommandHandler() {
+        WrapperMock.createInstance();
+
+        CommandDescription authMeBase = createCommand(null, null, singletonList("authme"));
+        createCommand(PlayerPermission.LOGIN, authMeBase, singletonList("login"), newArgument("password", false));
+        createCommand(PlayerPermission.LOGIN, authMeBase, asList("register", "reg"),
+            newArgument("password", false), newArgument("confirmation", false));
+
+        CommandDescription testBase = createCommand(null, null, singletonList("test"), newArgument("test", true));
+        commands = new HashSet<>(asList(authMeBase, testBase));
+        handler = new CommandHandler(commands);
+    }
+
+    @Test
+    @Ignore
+    public void shouldForwardCommandToExecutable() {
+        // given
+        CommandSender sender = Mockito.mock(CommandSender.class);
+        given(sender.isOp()).willReturn(true);
+        String bukkitLabel = "authme";
+        String[] args = {"login", "password"};
+
+        // when
+        handler.processCommand(sender, bukkitLabel, args);
+
+        // then
+        final CommandDescription loginCmd = getChildWithLabel("login", getCommandWithLabel("authme", commands));
+        verify(sender, never()).sendMessage(anyString());
+        verify(loginCmd.getExecutableCommand()).executeCommand(
+            eq(sender), any(CommandParts.class), any(CommandParts.class));
+    }
+
+    @Test
+    @Ignore // TODO ljacqu Fix test --> command classes too tightly coupled at the moment
+    public void shouldRejectCommandWithTooManyArguments() {
+        // given
+        CommandSender sender = Mockito.mock(CommandSender.class);
+        given(sender.isOp()).willReturn(true);
+        String bukkitLabel = "authme";
+        String[] args = {"login", "password", "__unneededArgument__"};
+
+        // when
+        boolean result = handler.processCommand(sender, bukkitLabel, args);
+
+        // then
+        assertThat(result, equalTo(true));
+        assertSenderGotMessageContaining("help", sender);
+    }
+
+    private static CommandDescription createCommand(PlayerPermission permission, CommandDescription parent,
+                                                    List<String> labels, CommandArgumentDescription... arguments) {
+        CommandDescription.CommandBuilder command = CommandDescription.builder()
+            .labels(labels)
+            .parent(parent)
+            .permissions(DefaultPermission.OP_ONLY, permission)
+            .description("Test")
+            .detailedDescription("Test command")
+            .executableCommand(mock(ExecutableCommand.class));
+
+        if (arguments != null && arguments.length > 0) {
+            for (CommandArgumentDescription argument : arguments) {
+                command.withArgument(argument.getLabel(), "Test description", argument.isOptional());
+            }
+        }
+
+        return command.build();
+    }
+
+    private static CommandArgumentDescription newArgument(String label, boolean isOptional) {
+        return new CommandArgumentDescription(label, "Test description", isOptional);
+    }
+
+    private void assertSenderGotMessageContaining(String text, CommandSender sender) {
+        ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);
+        verify(sender).sendMessage(captor.capture());
+        assertThat(captor.getValue(), stringContainsInOrder(text));
+    }
+
+    private static CommandDescription getCommandWithLabel(String label, Collection<CommandDescription> commands) {
+        for (CommandDescription command : commands) {
+            if (command.getLabels().contains(label)) {
+                return command;
+            }
+        }
+        return null;
+    }
+
+    private static CommandDescription getChildWithLabel(String label, CommandDescription command) {
+        for (CommandDescription child : command.getChildren()) {
+            if (child.getLabels().contains(label)) {
+                return child;
+            }
+        }
+        return null;
+    }
+}

src/test/java/fr/xephi/authme/command/CommandInitializerTest.java

@@ -1,16 +1,23 @@
 package fr.xephi.authme.command;
 
+import fr.xephi.authme.permission.AdminPermission;
+import fr.xephi.authme.permission.PermissionNode;
 import fr.xephi.authme.util.StringUtils;
+import fr.xephi.authme.util.WrapperMock;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.regex.Pattern;
 
+import static fr.xephi.authme.permission.DefaultPermission.OP_ONLY;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.not;
 import static org.hamcrest.Matchers.nullValue;
@@ -18,9 +25,9 @@ import static org.junit.Assert.assertThat;
 import static org.junit.Assert.fail;
 
 /**
- * Test for {@link CommandManager}, especially to guarantee the integrity of the defined commands.
+ * Test for {@link CommandInitializer} to guarantee the integrity of the defined commands.
  */
-public class CommandManagerTest {
+public class CommandInitializerTest {
 
     /**
      * Defines the maximum allowed depths for nesting CommandDescription instances.
@@ -28,24 +35,21 @@ public class CommandManagerTest {
      */
     private static int MAX_ALLOWED_DEPTH = 1;
 
-    private static CommandManager manager;
+    private static Set<CommandDescription> commands;
 
     @BeforeClass
     public static void initializeCommandManager() {
-        manager = new CommandManager(true);
+        WrapperMock.createInstance();
+        commands = CommandInitializer.getBaseCommands();
     }
 
     @Test
     public void shouldInitializeCommands() {
-        // given/when
-        int commandCount = manager.getCommandDescriptionCount();
-        List<CommandDescription> commands = manager.getCommandDescriptions();
-
-        // then
+        // given/when/then
         // It obviously doesn't make sense to test much of the concrete data
         // that is being initialized; we just want to guarantee with this test
         // that data is indeed being initialized and we take a few "probes"
-        assertThat(commandCount, equalTo(9));
+        assertThat(commands.size(), equalTo(9));
         assertThat(commandsIncludeLabel(commands, "authme"), equalTo(true));
         assertThat(commandsIncludeLabel(commands, "register"), equalTo(true));
         assertThat(commandsIncludeLabel(commands, "help"), equalTo(false));
@@ -62,7 +66,7 @@ public class CommandManagerTest {
         };
 
         // when/then
-        walkThroughCommands(manager.getCommandDescriptions(), descriptionTester);
+        walkThroughCommands(commands, descriptionTester);
     }
 
     /** Ensure that all children of a command stored the parent. */
@@ -84,7 +88,28 @@ public class CommandManagerTest {
         };
 
         // when/then
-        walkThroughCommands(manager.getCommandDescriptions(), connectionTester);
+        walkThroughCommands(commands, connectionTester);
+    }
+
+    @Test
+    public void shouldUseProperLowerCaseLabels() {
+        // given
+        final Pattern invalidPattern = Pattern.compile("\\s");
+        BiConsumer labelFormatTester = new BiConsumer() {
+            @Override
+            public void accept(CommandDescription command, int depth) {
+                for (String label : command.getLabels()) {
+                    if (!label.equals(label.toLowerCase())) {
+                        fail("Label '" + label + "' should be lowercase");
+                    } else if (invalidPattern.matcher(label).matches()) {
+                        fail("Label '" + label + "' has whitespace");
+                    }
+                }
+            }
+        };
+
+        // when/then
+        walkThroughCommands(commands, labelFormatTester);
     }
 
     @Test
@@ -105,7 +130,7 @@ public class CommandManagerTest {
         };
 
         // when/then
-        walkThroughCommands(manager.getCommandDescriptions(), uniqueMappingTester);
+        walkThroughCommands(commands, uniqueMappingTester);
     }
 
     /**
@@ -132,7 +157,7 @@ public class CommandManagerTest {
         };
 
         // when/then
-        walkThroughCommands(manager.getCommandDescriptions(), descriptionTester);
+        walkThroughCommands(commands, descriptionTester);
     }
 
     /**
@@ -143,7 +168,6 @@ public class CommandManagerTest {
     public void shouldNotHaveMultipleInstancesOfSameExecutableCommandSubType() {
         // given
         final Map<Class<? extends ExecutableCommand>, ExecutableCommand> implementations = new HashMap<>();
-        CommandManager manager = new CommandManager(true);
         BiConsumer descriptionTester = new BiConsumer() {
             @Override
             public void accept(CommandDescription command, int depth) {
@@ -160,10 +184,7 @@ public class CommandManagerTest {
             }
         };
 
-        // when
-        List<CommandDescription> commands = manager.getCommandDescriptions();
-
-        // then
+        // when/then
         walkThroughCommands(commands, descriptionTester);
     }
 
@@ -186,7 +207,7 @@ public class CommandManagerTest {
         };
 
         // when/then
-        walkThroughCommands(manager.getCommandDescriptions(), argumentOrderTester);
+        walkThroughCommands(commands, argumentOrderTester);
     }
 
     /**
@@ -209,18 +230,54 @@ public class CommandManagerTest {
         };
 
         // when/then
-        walkThroughCommands(manager.getCommandDescriptions(), noArgumentForParentChecker);
+        walkThroughCommands(commands, noArgumentForParentChecker);
+    }
+
+    /**
+     * Test that commands defined with the OP_ONLY default permission have at least one admin permission node.
+     */
+    @Test
+    public void shouldNotHavePlayerPermissionIfDefaultsToOpOnly() {
+        // given
+        BiConsumer adminPermissionChecker = new BiConsumer() {
+            // The only exception to this check is the force login command, which should default to OP_ONLY
+            // but semantically it is a player permission
+            final List<String> forceLoginLabels = Arrays.asList("forcelogin", "login");
+
+            @Override
+            public void accept(CommandDescription command, int depth) {
+                CommandPermissions permissions = command.getCommandPermissions();
+                if (permissions != null && OP_ONLY.equals(permissions.getDefaultPermission())) {
+                    if (!hasAdminNode(permissions) && !command.getLabels().equals(forceLoginLabels)) {
+                        fail("The command with labels " + command.getLabels() + " has OP_ONLY default "
+                            + "permission but no permission node on admin level");
+                    }
+                }
+            }
+
+            private boolean hasAdminNode(CommandPermissions permissions) {
+                for (PermissionNode node : permissions.getPermissionNodes()) {
+                    if (node instanceof AdminPermission) {
+                        return true;
+                    }
+                }
+                return false;
+            }
+        };
+
+        // when/then
+        walkThroughCommands(commands, adminPermissionChecker);
     }
 
 
     // ------------
     // Helper methods
     // ------------
-    private static void walkThroughCommands(List<CommandDescription> commands, BiConsumer consumer) {
+    private static void walkThroughCommands(Collection<CommandDescription> commands, BiConsumer consumer) {
         walkThroughCommands(commands, consumer, 0);
     }
 
-    private static void walkThroughCommands(List<CommandDescription> commands, BiConsumer consumer, int depth) {
+    private static void walkThroughCommands(Collection<CommandDescription> commands, BiConsumer consumer, int depth) {
         for (CommandDescription command : commands) {
             consumer.accept(command, depth);
             if (command.hasChildren()) {
@@ -243,12 +300,12 @@ public class CommandManagerTest {
     }
 
     /**
-     * Get the absolute label that a command defines. Note: Assumes that only the passed command might have
+     * Get the absolute binding that a command defines. Note: Assumes that only the passed command can have
      * multiple labels; only considering the first label for all of the command's parents.
      *
-     * @param command The command to verify
+     * @param command The command to process
      *
-     * @return The full command binding
+     * @return List of all bindings that lead to the command
      */
     private static List<String> getAbsoluteLabels(CommandDescription command) {
         String parentPath = "";

src/test/java/fr/xephi/authme/command/CommandPartsTest.java

@@ -3,6 +3,7 @@ package fr.xephi.authme.command;
 import org.junit.Test;
 
 import java.util.Arrays;
+import java.util.Collections;
 
 import static org.hamcrest.Matchers.equalTo;
 import static org.junit.Assert.assertThat;
@@ -27,7 +28,7 @@ public class CommandPartsTest {
     @Test
     public void shouldPrintEmptyStringForNoArguments() {
         // given
-        CommandParts parts = new CommandParts();
+        CommandParts parts = new CommandParts(Collections.EMPTY_LIST);
 
         // when
         String str = parts.toString();

src/test/java/fr/xephi/authme/command/executable/captcha/CaptchaCommandTest.java

@@ -0,0 +1,73 @@
+package fr.xephi.authme.command.executable.captcha;
+
+import fr.xephi.authme.AuthMe;
+import fr.xephi.authme.command.CommandParts;
+import fr.xephi.authme.command.ExecutableCommand;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
+import fr.xephi.authme.settings.Settings;
+import fr.xephi.authme.util.WrapperMock;
+import org.bukkit.command.BlockCommandSender;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.mockito.Mockito;
+
+import java.util.Collections;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.Assert.assertThat;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * Test for {@link CaptchaCommand}.
+ */
+public class CaptchaCommandTest {
+
+    private WrapperMock wrapperMock;
+
+    @Before
+    public void setUpWrapperMock() {
+        wrapperMock = WrapperMock.createInstance();
+        Settings.useCaptcha = true;
+    }
+
+    @Test
+    public void shouldRejectNonPlayerSender() {
+        // given
+        CommandSender sender = Mockito.mock(BlockCommandSender.class);
+        ExecutableCommand command = new CaptchaCommand();
+
+        // when
+        boolean result = command.executeCommand(sender, new CommandParts(Collections.EMPTY_LIST), new CommandParts(Collections.EMPTY_LIST));
+
+        // then
+        assertThat(result, equalTo(true));
+        assertThat(wrapperMock.wasMockCalled(AuthMe.class), equalTo(false));
+        assertThat(wrapperMock.wasMockCalled(Messages.class), equalTo(false));
+    }
+
+    @Test
+    @Ignore
+    public void shouldRejectIfCaptchaIsNotUsed() {
+        // given
+        Player player = mockPlayerWithName("testplayer");
+        ExecutableCommand command = new CaptchaCommand();
+
+        // when
+        boolean result = command.executeCommand(player, new CommandParts(Collections.EMPTY_LIST), new CommandParts(Collections.EMPTY_LIST));
+
+        // then
+        assertThat(result, equalTo(true));
+        verify(wrapperMock.getMessages()).send(player, MessageKey.USAGE_LOGIN);
+    }
+
+    private static Player mockPlayerWithName(String name) {
+        Player player = Mockito.mock(Player.class);
+        when(player.getName()).thenReturn(name);
+        return player;
+    }
+}

src/test/java/fr/xephi/authme/command/executable/changepassword/ChangePasswordCommandTest.java

@@ -4,8 +4,8 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.ReflectionTestUtils;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.command.CommandParts;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.task.ChangePasswordTask;
 import fr.xephi.authme.util.WrapperMock;
@@ -13,17 +13,16 @@ import org.bukkit.Server;
 import org.bukkit.command.BlockCommandSender;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
-import org.bukkit.scheduler.BukkitScheduler;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
 
+import java.util.Arrays;
 import java.util.Collections;
 
 import static java.util.Arrays.asList;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.equalTo;
-import static org.mockito.BDDMockito.given;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Mockito.*;
 
@@ -57,7 +56,7 @@ public class ChangePasswordCommandTest {
         CommandParts arguments = mock(CommandParts.class);
 
         // when
-        command.executeCommand(sender, new CommandParts(), arguments);
+        command.executeCommand(sender, newParts(), arguments);
 
         // then
         verify(arguments, never()).get(anyInt());
@@ -71,7 +70,7 @@ public class ChangePasswordCommandTest {
         ChangePasswordCommand command = new ChangePasswordCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts("pass"));
+        command.executeCommand(sender, newParts(), new CommandParts("pass"));
 
         // then
         verify(messagesMock).send(sender, MessageKey.NOT_LOGGED_IN);
@@ -85,7 +84,7 @@ public class ChangePasswordCommandTest {
         ChangePasswordCommand command = new ChangePasswordCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts("!pass"));
+        command.executeCommand(sender, newParts(), newParts("old123", "!pass"));
 
         // then
         verify(messagesMock).send(sender, MessageKey.PASSWORD_MATCH_ERROR);
@@ -100,7 +99,7 @@ public class ChangePasswordCommandTest {
         ChangePasswordCommand command = new ChangePasswordCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts("Tester"));
+        command.executeCommand(sender, newParts(), newParts("old_", "Tester"));
 
         // then
         verify(messagesMock).send(sender, MessageKey.PASSWORD_IS_USERNAME_ERROR);
@@ -115,7 +114,7 @@ public class ChangePasswordCommandTest {
         Settings.passwordMaxLength = 3;
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts("test"));
+        command.executeCommand(sender, newParts(), newParts("12", "test"));
 
         // then
         verify(messagesMock).send(sender, MessageKey.INVALID_PASSWORD_LENGTH);
@@ -130,7 +129,7 @@ public class ChangePasswordCommandTest {
         Settings.getPasswordMinLen = 7;
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts("tester"));
+        command.executeCommand(sender, newParts(), newParts("oldverylongpassword", "tester"));
 
         // then
         verify(messagesMock).send(sender, MessageKey.INVALID_PASSWORD_LENGTH);
@@ -145,7 +144,7 @@ public class ChangePasswordCommandTest {
         Settings.unsafePasswords = asList("test", "abc123");
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts("abc123"));
+        command.executeCommand(sender, newParts(), newParts("oldpw", "abc123"));
 
         // then
         verify(messagesMock).send(sender, MessageKey.PASSWORD_UNSAFE_ERROR);
@@ -157,16 +156,14 @@ public class ChangePasswordCommandTest {
         // given
         CommandSender sender = initPlayerWithName("parker", true);
         ChangePasswordCommand command = new ChangePasswordCommand();
-        BukkitScheduler schedulerMock = mock(BukkitScheduler.class);
-        given(wrapperMock.getServer().getScheduler()).willReturn(schedulerMock);
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts(asList("abc123", "abc123")));
+        command.executeCommand(sender, newParts(), newParts("abc123", "abc123"));
 
         // then
         verify(messagesMock, never()).send(eq(sender), any(MessageKey.class));
         ArgumentCaptor<ChangePasswordTask> taskCaptor = ArgumentCaptor.forClass(ChangePasswordTask.class);
-        verify(schedulerMock).runTaskAsynchronously(any(AuthMe.class), taskCaptor.capture());
+        verify(wrapperMock.getScheduler()).runTaskAsynchronously(any(AuthMe.class), taskCaptor.capture());
         ChangePasswordTask task = taskCaptor.getValue();
         assertThat((String) ReflectionTestUtils.getFieldValue(ChangePasswordTask.class, task, "newPassword"),
             equalTo("abc123"));
@@ -179,4 +176,8 @@ public class ChangePasswordCommandTest {
         return player;
     }
 
+    private static CommandParts newParts(String... parts) {
+        return new CommandParts(Arrays.asList(parts));
+    }
+
 }

src/test/java/fr/xephi/authme/command/executable/email/AddEmailCommandTest.java

@@ -11,6 +11,7 @@ import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mockito;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 
 import static org.mockito.Mockito.never;
@@ -40,7 +41,7 @@ public class AddEmailCommandTest {
         AddEmailCommand command = new AddEmailCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts());
+        command.executeCommand(sender, newParts(), newParts());
 
         // then
         verify(authMeMock, never()).getManagement();
@@ -53,11 +54,15 @@ public class AddEmailCommandTest {
         AddEmailCommand command = new AddEmailCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(),
+        command.executeCommand(sender, newParts(),
                 new CommandParts(Arrays.asList("mail@example", "other_example")));
 
         // then
         verify(authMeMock).getManagement();
         verify(managementMock).performAddEmail(sender, "mail@example", "other_example");
     }
+
+    private static CommandParts newParts() {
+        return new CommandParts(new ArrayList<String>());
+    }
 }

src/test/java/fr/xephi/authme/command/executable/email/ChangeEmailCommandTest.java

@@ -11,6 +11,7 @@ import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mockito;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 
 import static org.mockito.Mockito.never;
@@ -40,7 +41,7 @@ public class ChangeEmailCommandTest {
         ChangeEmailCommand command = new ChangeEmailCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts());
+        command.executeCommand(sender, newParts(), newParts());
 
         // then
         verify(authMeMock, never()).getManagement();
@@ -53,11 +54,15 @@ public class ChangeEmailCommandTest {
         ChangeEmailCommand command = new ChangeEmailCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(),
+        command.executeCommand(sender, newParts(),
                 new CommandParts(Arrays.asList("new.mail@example.org", "old_mail@example.org")));
 
         // then
         verify(authMeMock).getManagement();
         verify(managementMock).performChangeEmail(sender, "new.mail@example.org", "old_mail@example.org");
     }
+
+    private static CommandParts newParts() {
+        return new CommandParts(new ArrayList<String>());
+    }
 }

src/test/java/fr/xephi/authme/command/executable/email/RecoverEmailCommandTest.java

@@ -9,6 +9,8 @@ import org.junit.Ignore;
 import org.junit.Test;
 import org.mockito.Mockito;
 
+import java.util.Collections;
+
 /**
  * Test for {@link RecoverEmailCommand}.
  */
@@ -27,7 +29,7 @@ public class RecoverEmailCommandTest {
         RecoverEmailCommand command = new RecoverEmailCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts());
+        command.executeCommand(sender, new CommandParts(Collections.EMPTY_LIST), new CommandParts(Collections.EMPTY_LIST));
 
         // then
     }

src/test/java/fr/xephi/authme/command/executable/login/LoginCommandTest.java

@@ -11,6 +11,8 @@ import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mockito;
 
+import java.util.ArrayList;
+
 import static org.mockito.Matchers.*;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
@@ -38,7 +40,7 @@ public class LoginCommandTest {
         LoginCommand command = new LoginCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts());
+        command.executeCommand(sender, newParts(), newParts());
 
         // then
         Mockito.verify(managementMock, never()).performLogin(any(Player.class), anyString(), anyBoolean());
@@ -51,7 +53,7 @@ public class LoginCommandTest {
         LoginCommand command = new LoginCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts("password"));
+        command.executeCommand(sender, newParts(), new CommandParts("password"));
 
         // then
         Mockito.verify(managementMock).performLogin(eq(sender), eq("password"), eq(false));
@@ -64,11 +66,15 @@ public class LoginCommandTest {
         LoginCommand command = new LoginCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts());
+        command.executeCommand(sender, newParts(), newParts());
 
         // then
         // TODO ljacqu 20151121: May make sense to handle null password in LoginCommand instead of forwarding the call
         String password = null;
         Mockito.verify(managementMock).performLogin(eq(sender), eq(password), eq(false));
     }
+    
+    private static CommandParts newParts() {
+        return new CommandParts(new ArrayList<String>());
+    }
 }

src/test/java/fr/xephi/authme/command/executable/logout/LogoutCommandTest.java

@@ -12,6 +12,8 @@ import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mockito;
 
+import java.util.ArrayList;
+
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
@@ -40,7 +42,7 @@ public class LogoutCommandTest {
         LogoutCommand command = new LogoutCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts());
+        command.executeCommand(sender, new CommandParts(new ArrayList<String>()), new CommandParts(new ArrayList<String>()));
 
         // then
         Mockito.verify(managementMock, never()).performLogout(any(Player.class));
@@ -53,7 +55,7 @@ public class LogoutCommandTest {
         LogoutCommand command = new LogoutCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts("password"));
+        command.executeCommand(sender, new CommandParts(new ArrayList<String>()), new CommandParts("password"));
 
         // then
         Mockito.verify(managementMock).performLogout(sender);

src/test/java/fr/xephi/authme/command/executable/register/RegisterCommandTest.java

@@ -2,8 +2,8 @@ package fr.xephi.authme.command.executable.register;
 
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.process.Management;
-import fr.xephi.authme.settings.MessageKey;
-import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.output.MessageKey;
+import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.util.WrapperMock;
 import org.bukkit.command.BlockCommandSender;
@@ -14,6 +14,8 @@ import org.junit.Test;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mockito;
 
+import java.util.ArrayList;
+
 import static org.hamcrest.Matchers.equalTo;
 import static org.junit.Assert.assertThat;
 import static org.mockito.Matchers.any;
@@ -48,7 +50,7 @@ public class RegisterCommandTest {
         ArgumentCaptor<String> messageCaptor = ArgumentCaptor.forClass(String.class);
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts());
+        command.executeCommand(sender, newParts(), newParts());
 
         // then
         verify(sender).sendMessage(messageCaptor.capture());
@@ -63,7 +65,7 @@ public class RegisterCommandTest {
         RegisterCommand command = new RegisterCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts());
+        command.executeCommand(sender, newParts(), newParts());
 
         // then
         verify(messagesMock).send(sender, MessageKey.USAGE_REGISTER);
@@ -77,9 +79,13 @@ public class RegisterCommandTest {
         RegisterCommand command = new RegisterCommand();
 
         // when
-        command.executeCommand(sender, new CommandParts(), new CommandParts("password"));
+        command.executeCommand(sender, newParts(), new CommandParts("password"));
 
         // then
         verify(managementMock).performRegister(sender, "password", "");
     }
+
+    private static CommandParts newParts() {
+        return new CommandParts(new ArrayList<String>());
+    }
 }

src/test/java/fr/xephi/authme/command/help/HelpSyntaxHelperTest.java

@@ -3,10 +3,12 @@ package fr.xephi.authme.command.help;
 import fr.xephi.authme.command.CommandDescription;
 import fr.xephi.authme.command.CommandParts;
 import fr.xephi.authme.command.ExecutableCommand;
-import fr.xephi.authme.command.executable.authme.RegisterCommand;
+import fr.xephi.authme.command.executable.authme.RegisterAdminCommand;
 import org.junit.Test;
 import org.mockito.Mockito;
 
+import java.util.ArrayList;
+
 import static org.bukkit.ChatColor.BOLD;
 import static org.bukkit.ChatColor.ITALIC;
 import static org.bukkit.ChatColor.WHITE;
@@ -27,8 +29,7 @@ public class HelpSyntaxHelperTest {
             .build();
 
         // when
-        String result = HelpSyntaxHelper.getCommandSyntax(
-                description, new CommandParts(), "", false);
+        String result = HelpSyntaxHelper.getCommandSyntax(description, newParts(), "", false);
 
         // then
         assertThat(result, equalTo(WHITE + "/authme register" + ITALIC + " [name]"));
@@ -42,8 +43,7 @@ public class HelpSyntaxHelperTest {
             .build();
 
         // when
-        String result = HelpSyntaxHelper.getCommandSyntax(
-                description, new CommandParts(), null, false);
+        String result = HelpSyntaxHelper.getCommandSyntax(description, newParts(), null, false);
 
         // then
         assertThat(result, equalTo(WHITE + "/authme register" + ITALIC + " <test>"));
@@ -58,8 +58,7 @@ public class HelpSyntaxHelperTest {
             .build();
 
         // when
-        String result = HelpSyntaxHelper.getCommandSyntax(
-                description, new CommandParts(), "", false);
+        String result = HelpSyntaxHelper.getCommandSyntax(description, newParts(), "", false);
 
         // then
         assertThat(result, equalTo(WHITE + "/authme register" + ITALIC + " [name]" + ITALIC + " <test>"));
@@ -74,8 +73,7 @@ public class HelpSyntaxHelperTest {
             .build();
 
         // when
-        String result = HelpSyntaxHelper.getCommandSyntax(
-                description, new CommandParts(), "", true);
+        String result = HelpSyntaxHelper.getCommandSyntax(description, newParts(), "", true);
 
         // then
         assertThat(result, equalTo(WHITE + "/authme "
@@ -89,8 +87,7 @@ public class HelpSyntaxHelperTest {
         CommandDescription description = getDescriptionBuilder().build();
 
         // when
-        String result = HelpSyntaxHelper.getCommandSyntax(
-                description, new CommandParts(), null, true);
+        String result = HelpSyntaxHelper.getCommandSyntax(description, newParts(), null, true);
 
         // then
         assertThat(result, equalTo(WHITE + "/authme " + YELLOW + BOLD + "register" + YELLOW));
@@ -104,34 +101,18 @@ public class HelpSyntaxHelperTest {
             .build();
 
         // when
-        String result = HelpSyntaxHelper.getCommandSyntax(
-                description, new CommandParts(), "alt", false);
+        String result = HelpSyntaxHelper.getCommandSyntax(description, newParts(), "alt", false);
 
         // then
         assertThat(result, equalTo(WHITE + "/authme alt" + ITALIC + " [name]"));
     }
 
-    @Test
-    public void shouldHighlightCommandWithAltLabelAndUnlimitedArguments() {
-        // given
-        CommandDescription description = getDescriptionBuilder()
-            .withArgument("name", "", true)
-            .withArgument("test", "", false)
-            .noArgumentMaximum(true)
-            .build();
-
-        // when
-        String result = HelpSyntaxHelper.getCommandSyntax(
-                description, new CommandParts(), "test", true);
-
-        // then
-        assertThat(result, equalTo(WHITE + "/authme "
-                + YELLOW + BOLD + "test"
-                + YELLOW + ITALIC + " [name]" + ITALIC + " <test>" + ITALIC + " ..."));
+    private static CommandParts newParts() {
+        // TODO ljacqu 20151204: Remove this method once CommandParts has been removed
+        return new CommandParts(new ArrayList<String>());
     }
 
-
-    private static CommandDescription.Builder getDescriptionBuilder() {
+    private static CommandDescription.CommandBuilder getDescriptionBuilder() {
         CommandDescription base = CommandDescription.builder()
             .labels("authme")
             .description("Base command")
@@ -141,7 +122,7 @@ public class HelpSyntaxHelperTest {
             .build();
 
         return CommandDescription.builder()
-            .executableCommand(Mockito.mock(RegisterCommand.class))
+            .executableCommand(Mockito.mock(RegisterAdminCommand.class))
             .labels("register", "r")
             .description("Register a player")
             .detailedDescription("Register the specified player with the specified password.")

src/test/java/fr/xephi/authme/output/ConsoleFilterTest.java

@@ -0,0 +1,77 @@
+package fr.xephi.authme.output;
+
+import org.junit.Test;
+import org.mockito.Mockito;
+
+import java.util.logging.LogRecord;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.Assert.assertThat;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * Test for {@link ConsoleFilter}.
+ */
+public class ConsoleFilterTest {
+
+    private final ConsoleFilter filter = new ConsoleFilter();
+
+    private static final String SENSITIVE_COMMAND = "User issued server command: /login test test";
+    private static final String NORMAL_COMMAND = "User issued server command: /motd 2";
+
+
+    @Test
+    public void shouldReplaceSensitiveRecord() {
+        // given
+        LogRecord record = createRecord(SENSITIVE_COMMAND);
+
+        // when
+        boolean result = filter.isLoggable(record);
+
+        // then
+        assertThat(result, equalTo(true));
+        verify(record).setMessage("User issued an AuthMe command");
+    }
+
+    @Test
+    public void shouldNotFilterRegularCommand() {
+        // given
+        LogRecord record = createRecord(NORMAL_COMMAND);
+
+        // when
+        boolean result = filter.isLoggable(record);
+
+        // then
+        assertThat(result, equalTo(true));
+        verify(record, never()).setMessage("User issued an AuthMe command");
+    }
+
+    @Test
+    public void shouldManageRecordWithNullMessage() {
+        // given
+        LogRecord record = createRecord(null);
+
+        // when
+        boolean result = filter.isLoggable(record);
+
+        // then
+        assertThat(result, equalTo(true));
+        verify(record, never()).setMessage("User issued an AuthMe command");
+    }
+
+
+    /**
+     * Creates a mock of {@link LogRecord} and sets it to return the given message.
+     *
+     * @param message The message to set.
+     *
+     * @return Mock of LogRecord
+     */
+    private static LogRecord createRecord(String message) {
+        LogRecord record = Mockito.mock(LogRecord.class);
+        when(record.getMessage()).thenReturn(message);
+        return record;
+    }
+}

src/test/java/fr/xephi/authme/output/Log4JFilterTest.java

@@ -1,4 +1,4 @@
-package fr.xephi.authme;
+package fr.xephi.authme.output;
 
 import static org.hamcrest.Matchers.equalTo;
 import static org.junit.Assert.assertThat;
@@ -12,8 +12,6 @@ import org.mockito.Mockito;
 
 /**
  * Test for {@link Log4JFilter}.
- * @author Gabriele
- * @version $Revision: 1.0 $
  */
 public class Log4JFilterTest {
 	

src/test/java/fr/xephi/authme/output/MessageKeyTest.java

@@ -1,4 +1,4 @@
-package fr.xephi.authme.settings;
+package fr.xephi.authme.output;
 
 import fr.xephi.authme.util.StringUtils;
 import org.junit.Test;