Some javadocs, fix type coercion when checking for enabled

src/main/java/net/citizensnpcs/command/Command.java

@@ -5,21 +5,59 @@ import java.lang.annotation.RetentionPolicy;
 
 @Retention(RetentionPolicy.RUNTIME)
 public @interface Command {
+    /**
+     * A list of root-level command aliases that will be accepted for this
+     * command. For example: <code>{"npc", "npc2"}</code> would match both /npc
+     * and /npc2.
+     */
     String[] aliases();
 
+    /**
+     * A short description of the command that will be displayed with the
+     * command usage and help. Translatable.
+     */
     String desc();
 
+    /**
+     * Defines the flags available for this command. A flag is a single
+     * character such as <code>-f</code> that will alter the behaviour of the
+     * command. Each character in this string will be counted as a valid flag:
+     * extra flags will be discarded. Accepts * as a catch all.
+     */
     String flags() default "";
 
+    /**
+     * A longer description of the command and any flags it uses which will be
+     * displayed in addition to {@link desc} in help commands. Translatable.
+     */
     String help() default "";
 
+    /**
+     * The maximum number of arguments that the command will accept. Default is
+     * <code>-1</code>, or an <b>unlimited</b> number of arguments.
+     */
     int max() default -1;
 
+    /**
+     * Minimum number of arguments that are accepted by the command.
+     */
     int min() default 0;
 
+    /**
+     * The argument modifiers accepted by the command. Also accepts
+     * <code>'*'</code> as a catch all.
+     */
     String[] modifiers() default "";
 
+    /**
+     * The permission of the command. The comamnd sender will get an error if
+     * this is not met.
+     */
     String permission() default "";
 
+    /**
+     * Command usage string that is displayed when an error occurs with the
+     * command processing.
+     */
     String usage() default "";
 }

src/main/java/net/citizensnpcs/command/CommandAnnotationProcessor.java

@@ -7,8 +7,23 @@ import net.citizensnpcs.command.exception.CommandException;
 import org.bukkit.command.CommandSender;
 
 public interface CommandAnnotationProcessor {
+    /**
+     * @return The {@link Annotation} class that this processor will accept.
+     */
     Class<? extends Annotation> getAnnotationClass();
 
+    /**
+     * @param sender
+     *            The command sender
+     * @param context
+     *            The context of the command, including arguments
+     * @param instance
+     *            The {@link Annotation} instance
+     * @param args
+     *            The method arguments
+     * @throws CommandException
+     *             If an exception occurs
+     */
     void process(CommandSender sender, CommandContext context, Annotation instance, Object[] args)
             throws CommandException;
 }

src/main/java/net/citizensnpcs/command/CommandManager.java

@@ -90,12 +90,12 @@ public class CommandManager {
 
     // Attempt to execute a command.
     private void executeMethod(String[] args, CommandSender sender, Object[] methodArgs) throws CommandException {
-        String cmdName = args[0];
+        String cmdName = args[0].toLowerCase();
         String modifier = args.length > 1 ? args[1] : "";
 
-        Method method = commands.get(cmdName.toLowerCase() + " " + modifier.toLowerCase());
+        Method method = commands.get(cmdName + " " + modifier.toLowerCase());
         if (method == null)
-            method = commands.get(cmdName.toLowerCase() + " *");
+            method = commands.get(cmdName + " *");
 
         if (method == null)
             throw new UnhandledCommandException();
@@ -274,8 +274,8 @@ public class CommandManager {
      * @return Whether the command is handled
      */
     public boolean hasCommand(org.bukkit.command.Command cmd, String modifier) {
-        return commands.containsKey(cmd.getName().toLowerCase() + " " + modifier.toLowerCase())
-                || commands.containsKey(cmd.getName().toLowerCase() + " *");
+        String cmdName = cmd.getName().toLowerCase();
+        return commands.containsKey(cmdName + " " + modifier.toLowerCase()) || commands.containsKey(cmdName + " *");
     }
 
     // Returns whether a CommandSenders has permission.

src/main/java/net/citizensnpcs/npc/CitizensNPC.java

@@ -107,8 +107,12 @@ public class CitizensNPC extends AbstractNPC {
                     }
                 });
         for (DataKey traitKey : keys) {
-            if (traitKey.keyExists("enabled") && !traitKey.getBoolean("enabled"))
+            if (traitKey.keyExists("enabled") && !traitKey.getBoolean("enabled")
+                    && traitKey.getRaw("enabled") instanceof Boolean) {
+                // we want to avoid coercion here as YAML can coerce map
+                // existence to boolean
                 continue;
+            }
             Class<? extends Trait> clazz = CitizensAPI.getTraitFactory().getTraitClass(traitKey.name());
             Trait trait;
             if (hasTrait(clazz)) {
@@ -173,7 +177,8 @@ public class CitizensNPC extends AbstractNPC {
         }
         if (traitNames.length() > 0) {
             root.setString("traitnames", traitNames.substring(0, traitNames.length() - 1));
-        }
+        } else
+            root.setString("traitnames", "");
         removeTraitData(root);
     }