Remove static PlayerCache#getInstance

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

@@ -5,7 +5,6 @@ import ch.jalu.injector.InjectorBuilder;
 import com.google.common.annotations.VisibleForTesting;
 import fr.xephi.authme.api.NewAPI;
 import fr.xephi.authme.command.CommandHandler;
-import fr.xephi.authme.data.auth.PlayerCache;
 import fr.xephi.authme.datasource.DataSource;
 import fr.xephi.authme.initialization.DataFolder;
 import fr.xephi.authme.initialization.DataSourceProvider;
@@ -254,10 +253,6 @@ public class AuthMe extends JavaPlugin {
      * @param injector the injector
      */
     void instantiateServices(Injector injector) {
-        // PlayerCache is still injected statically sometimes
-        PlayerCache playerCache = PlayerCache.getInstance();
-        injector.register(PlayerCache.class, playerCache);
-
         database = injector.getSingleton(DataSource.class);
         permsMan = injector.getSingleton(PermissionsManager.class);
         bukkitService = injector.getSingleton(BukkitService.class);

src/main/java/fr/xephi/authme/data/auth/PlayerCache.java

@@ -1,6 +1,7 @@
 package fr.xephi.authme.data.auth;
 
 
+import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
@@ -8,55 +9,31 @@ import java.util.concurrent.ConcurrentHashMap;
  */
 public class PlayerCache {
 
-    private volatile static PlayerCache singleton;
-    private final ConcurrentHashMap<String, PlayerAuth> cache;
+    private final Map<String, PlayerAuth> cache = new ConcurrentHashMap<>();
 
-    private PlayerCache() {
-        cache = new ConcurrentHashMap<>();
+    PlayerCache() {
     }
 
     /**
-     * Method getInstance.
+     * Adds the given auth object to the player cache (for the name defined in the PlayerAuth).
      *
-     * @return PlayerCache
+     * @param auth the player auth object to save
      */
-    public static PlayerCache getInstance() {
-        if (singleton == null) {
-            singleton = new PlayerCache();
-        }
-
-        return singleton;
-    }
-
-    /**
-     * Method addPlayer.
-     *
-     * @param auth PlayerAuth
-     */
-    public void addPlayer(PlayerAuth auth) {
+    public void updatePlayer(PlayerAuth auth) {
         cache.put(auth.getNickname().toLowerCase(), auth);
     }
 
     /**
-     * Method updatePlayer.
+     * Removes a player from the player cache.
      *
-     * @param auth PlayerAuth
-     */
-    public void updatePlayer(PlayerAuth auth) {
-        cache.put(auth.getNickname(), auth);
-    }
-
-    /**
-     * Method removePlayer.
-     *
-     * @param user String
+     * @param user name of the player to remove
      */
     public void removePlayer(String user) {
         cache.remove(user.toLowerCase());
     }
 
     /**
-     * get player's authenticated status.
+     * Get whether a player is authenticated (i.e. whether he is present in the player cache).
      *
      * @param user player's name
      *
@@ -67,31 +44,29 @@ public class PlayerCache {
     }
 
     /**
-     * Method getAuth.
+     * Returns the PlayerAuth associated with the given user, if available.
      *
-     * @param user String
+     * @param user name of the player
      *
-     * @return PlayerAuth
+     * @return the associated auth object, or null if not available
      */
     public PlayerAuth getAuth(String user) {
         return cache.get(user.toLowerCase());
     }
 
     /**
-     * Method getLogged.
-     *
-     * @return int
+     * @return number of logged in players
      */
     public int getLogged() {
         return cache.size();
     }
 
     /**
-     * Method getCache.
+     * Returns the player cache data.
      *
-     * @return ConcurrentHashMap
+     * @return all player auths inside the player cache
      */
-    public ConcurrentHashMap<String, PlayerAuth> getCache() {
+    public Map<String, PlayerAuth> getCache() {
         return this.cache;
     }
 

src/main/java/fr/xephi/authme/datasource/FlatFile.java

@@ -2,7 +2,6 @@ package fr.xephi.authme.datasource;
 
 import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.data.auth.PlayerAuth;
-import fr.xephi.authme.data.auth.PlayerCache;
 import fr.xephi.authme.security.crypts.HashedPassword;
 
 import java.io.BufferedReader;
@@ -358,7 +357,7 @@ public class FlatFile implements DataSource {
 
     @Override
     public boolean isLogged(String user) {
-        return PlayerCache.getInstance().isAuthenticated(user);
+        throw new UnsupportedOperationException("Flat file no longer supported");
     }
 
     @Override

src/main/java/fr/xephi/authme/listener/protocollib/InventoryPacketAdapter.java

@@ -24,10 +24,9 @@ import com.comphenix.protocol.events.PacketAdapter;
 import com.comphenix.protocol.events.PacketContainer;
 import com.comphenix.protocol.events.PacketEvent;
 import com.comphenix.protocol.reflect.StructureModifier;
-
 import fr.xephi.authme.AuthMe;
+import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.data.auth.PlayerCache;
-
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
@@ -35,7 +34,6 @@ import org.bukkit.inventory.ItemStack;
 import java.lang.reflect.InvocationTargetException;
 import java.util.Arrays;
 import java.util.List;
-import java.util.logging.Level;
 
 class InventoryPacketAdapter extends PacketAdapter {
 
@@ -47,8 +45,11 @@ class InventoryPacketAdapter extends PacketAdapter {
     private static final int MAIN_SIZE = 27;
     private static final int HOTBAR_SIZE = 9;
 
-    InventoryPacketAdapter(AuthMe plugin) {
+    private final PlayerCache playerCache;
+
+    InventoryPacketAdapter(AuthMe plugin, PlayerCache playerCache) {
         super(plugin, PacketType.Play.Server.SET_SLOT, PacketType.Play.Server.WINDOW_ITEMS);
+        this.playerCache = playerCache;
     }
 
     @Override
@@ -57,7 +58,7 @@ class InventoryPacketAdapter extends PacketAdapter {
         PacketContainer packet = packetEvent.getPacket();
 
         byte windowId = packet.getIntegers().read(0).byteValue();
-        if (windowId == PLAYER_INVENTORY && !PlayerCache.getInstance().isAuthenticated(player.getName())) {
+        if (windowId == PLAYER_INVENTORY && !playerCache.isAuthenticated(player.getName())) {
             packetEvent.setCancelled(true);
         }
     }
@@ -92,7 +93,7 @@ class InventoryPacketAdapter extends PacketAdapter {
         try {
             protocolManager.sendServerPacket(player, inventoryPacket, false);
         } catch (InvocationTargetException invocationExc) {
-            plugin.getLogger().log(Level.WARNING, "Error during sending blank inventory", invocationExc);
+            ConsoleLogger.logException("Error during sending blank inventory", invocationExc);
         }
     }
 }

src/main/java/fr/xephi/authme/listener/protocollib/ProtocolLibService.java

@@ -57,14 +57,14 @@ public class ProtocolLibService implements SettingsDependent {
 
         // Set up packet adapters
         if (protectInvBeforeLogin && inventoryPacketAdapter == null) {
-            inventoryPacketAdapter = new InventoryPacketAdapter(plugin);
+            inventoryPacketAdapter = new InventoryPacketAdapter(plugin, playerCache);
             inventoryPacketAdapter.register();
         } else if (inventoryPacketAdapter != null) {
             inventoryPacketAdapter.unregister();
             inventoryPacketAdapter = null;
         }
         if (denyTabCompleteBeforeLogin && tabCompletePacketAdapter == null) {
-            tabCompletePacketAdapter = new TabCompletePacketAdapter(plugin);
+            tabCompletePacketAdapter = new TabCompletePacketAdapter(plugin, playerCache);
             tabCompletePacketAdapter.register();
         } else if (tabCompletePacketAdapter != null) {
             tabCompletePacketAdapter.unregister();

src/main/java/fr/xephi/authme/listener/protocollib/TabCompletePacketAdapter.java

@@ -12,19 +12,22 @@ import fr.xephi.authme.data.auth.PlayerCache;
 
 class TabCompletePacketAdapter extends PacketAdapter {
 
-    TabCompletePacketAdapter(AuthMe plugin) {
+    private final PlayerCache playerCache;
+
+    TabCompletePacketAdapter(AuthMe plugin, PlayerCache playerCache) {
         super(plugin, ListenerPriority.NORMAL, PacketType.Play.Client.TAB_COMPLETE);
+        this.playerCache = playerCache;
     }
 
     @Override
     public void onPacketReceiving(PacketEvent event) {
         if (event.getPacketType() == PacketType.Play.Client.TAB_COMPLETE) {
             try {
-                if (!PlayerCache.getInstance().isAuthenticated(event.getPlayer().getName().toLowerCase())) {
+                if (!playerCache.isAuthenticated(event.getPlayer().getName())) {
                     event.setCancelled(true);
                 }
             } catch (FieldAccessException e) {
-                ConsoleLogger.warning("Couldn't access field.");
+                ConsoleLogger.logException("Couldn't access field:", e);
             }
         }
     }

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

@@ -235,7 +235,7 @@ public class AsynchronousLogin implements AsynchronousProcess {
             ConsoleLogger.fine(player.getName() + " logged in!");
 
             // makes player isLoggedin via API
-            playerCache.addPlayer(auth);
+            playerCache.updatePlayer(auth);
             dataSource.setLogged(name);
 
             // As the scheduling executes the Task most likely after the current