Fix some reloading issues.

src/fr/neatmonster/nocheatplus/NoCheatPlus.java

@@ -5,6 +5,7 @@ import java.io.InputStreamReader;
 import java.net.URL;
 import java.net.URLConnection;
 import java.util.ArrayList;
+import java.util.LinkedList;
 import java.util.List;
 
 import org.bukkit.Bukkit;
@@ -28,6 +29,7 @@ import fr.neatmonster.nocheatplus.checks.fight.FightListener;
 import fr.neatmonster.nocheatplus.checks.inventory.InventoryListener;
 import fr.neatmonster.nocheatplus.checks.moving.MovingListener;
 import fr.neatmonster.nocheatplus.command.CommandHandler;
+import fr.neatmonster.nocheatplus.command.INotifyReload;
 import fr.neatmonster.nocheatplus.config.ConfPaths;
 import fr.neatmonster.nocheatplus.config.ConfigFile;
 import fr.neatmonster.nocheatplus.config.ConfigManager;
@@ -55,12 +57,27 @@ public class NoCheatPlus extends JavaPlugin implements Listener {
     /** The event listeners. */
     private final List<Listener> listeners       = new ArrayList<Listener>();
     
+    /** Components that need notification on reloading.
+     * (Kept here, for if during runtime some might get added.)*/
+    private final List<INotifyReload> notifyReload = new LinkedList<INotifyReload>();
+
     /** Is the configuration outdated? */
     private boolean              configOutdated  = false;
 
     /** Is a new update available? */
     private boolean              updateAvailable = false;
     
+    /**
+     * Convenience method to add to listeners and notifyReload lists.
+     * @param listener
+     */
+    private void addListener(final Listener listener){
+    	listeners.add(listener);
+    	if (listener instanceof INotifyReload){
+    		notifyReload.add((INotifyReload) listener);
+    	}
+    }
+    
     /* (non-Javadoc)
      * @see org.bukkit.plugin.java.JavaPlugin#onDisable()
      */
@@ -78,15 +95,18 @@ public class NoCheatPlus extends JavaPlugin implements Listener {
         // Stop the lag measuring task.
         LagMeasureTask.cancel();
 
+        // Remove listeners.
+        listeners.clear();
+        
+        // Remove config listeners.
+        notifyReload.clear();
+        
         // Cleanup the configuration manager.
         ConfigManager.cleanup();
 
         // Just to be sure nothing gets left out.
         getServer().getScheduler().cancelTasks(this);
 
-        // Remove listeners.
-        listeners.clear();
-
         // Tell the server administrator the we finished unloading NoCheatPlus.
         System.out.println("[NoCheatPlus] Version " + pdfFile.getVersion() + " is disabled.");
     }
@@ -108,14 +128,18 @@ public class NoCheatPlus extends JavaPlugin implements Listener {
 
         // List the events listeners.
         listeners.clear();
-        listeners.add(new BlockBreakListener());
-        listeners.add(new BlockInteractListener());
-        listeners.add(new BlockPlaceListener());
-        listeners.add(new ChatListener());
-        listeners.add(new FightListener());
-        listeners.add(new InventoryListener());
-        listeners.add(new MovingListener());
-        listeners.add(new Workarounds());
+        for (final Listener listener : new Listener[]{
+        	new BlockBreakListener(),
+        	new BlockInteractListener(),
+        	new BlockPlaceListener(),
+        	new ChatListener(),
+        	new FightListener(),
+        	new InventoryListener(),
+        	new MovingListener(),
+        	new Workarounds(),
+        }){
+        	addListener(listener);
+        }
 
         // Set up a task to monitor server lag.
         LagMeasureTask.start(this);
@@ -126,7 +150,7 @@ public class NoCheatPlus extends JavaPlugin implements Listener {
         Bukkit.getPluginManager().registerEvents(this, this);
 
         // Register the commands handler.
-        getCommand("nocheatplus").setExecutor(new CommandHandler(this));
+        getCommand("nocheatplus").setExecutor(new CommandHandler(this, notifyReload));
 
         ConfigFile config = ConfigManager.getConfigFile();
         
@@ -337,4 +361,5 @@ public class NoCheatPlus extends JavaPlugin implements Listener {
         if (!message.equals(""))
             player.sendMessage(message);
     }
+    
 }

src/fr/neatmonster/nocheatplus/checks/chat/ChatListener.java

@@ -12,6 +12,7 @@ import org.bukkit.event.player.PlayerLoginEvent.Result;
 import org.bukkit.event.player.PlayerMoveEvent;
 
 import fr.neatmonster.nocheatplus.checks.chat.analysis.ds.SimpleCharPrefixTree;
+import fr.neatmonster.nocheatplus.command.INotifyReload;
 import fr.neatmonster.nocheatplus.config.ConfPaths;
 import fr.neatmonster.nocheatplus.config.ConfigFile;
 import fr.neatmonster.nocheatplus.config.ConfigManager;
@@ -31,7 +32,7 @@ import fr.neatmonster.nocheatplus.players.Permissions;
  * 
  * @see ChatEvent
  */
-public class ChatListener implements Listener {
+public class ChatListener implements Listener, INotifyReload {
 
     /** The color check. */
     private final Color    color    = new Color();
@@ -47,9 +48,15 @@ public class ChatListener implements Listener {
     private final SimpleCharPrefixTree chatCommands = new SimpleCharPrefixTree(); 
     
     public ChatListener(){
-    	// Read some things from the global config file.
     	ConfigFile config = ConfigManager.getConfigFile();
+    	initFilters(config);
+    	// (globalChat inits in constructor.)
+    }
+    
+	private void initFilters(ConfigFile config) {
+		commandExclusions.clear();
     	commandExclusions.feedAll(config.getStringList(ConfPaths.CHAT_NOPWNAGE_EXCLUSIONS), false, true);
+    	chatCommands.clear();
     	chatCommands.feedAll(config.getStringList(ConfPaths.CHAT_GLOBALCHAT_COMMANDS), false, true);
 	}
 
@@ -195,4 +202,13 @@ public class ChatListener implements Listener {
          */
         ChatData.getData(event.getPlayer()).noPwnageLastMovedTime = System.currentTimeMillis();
     }
+
+	@Override
+	public void onReload() {
+		// Read some things from the global config file.
+    	ConfigFile config = ConfigManager.getConfigFile();
+    	initFilters(config);
+    	globalChat.onReload();
+	}
+
 }

src/fr/neatmonster/nocheatplus/checks/chat/GlobalChat.java

@@ -7,6 +7,7 @@ import fr.neatmonster.nocheatplus.checks.CheckType;
 import fr.neatmonster.nocheatplus.checks.chat.analysis.MessageLetterCount;
 import fr.neatmonster.nocheatplus.checks.chat.analysis.WordLetterCount;
 import fr.neatmonster.nocheatplus.checks.chat.analysis.engine.LetterEngine;
+import fr.neatmonster.nocheatplus.command.INotifyReload;
 import fr.neatmonster.nocheatplus.config.ConfigFile;
 import fr.neatmonster.nocheatplus.config.ConfigManager;
 import fr.neatmonster.nocheatplus.hooks.NCPExemptionManager;
@@ -16,15 +17,13 @@ import fr.neatmonster.nocheatplus.hooks.NCPExemptionManager;
  * @author mc_dev
  *
  */
-public class GlobalChat extends Check{
+public class GlobalChat extends Check implements INotifyReload{
 
-	private final LetterEngine engine;
+	private LetterEngine engine;
 	
 	public GlobalChat() {
 		super(CheckType.CHAT_GLOBALCHAT);
-		// Set some things from the global config.
-		ConfigFile config = ConfigManager.getConfigFile();
-		engine = new LetterEngine(config);
+		onReload();
 	}
 
 	/**
@@ -52,6 +51,14 @@ public class GlobalChat extends Check{
 		}	
 	}
 	
+
+	@Override
+	public void onReload() {
+		// Set some things from the global config.
+		ConfigFile config = ConfigManager.getConfigFile();
+		engine = new LetterEngine(config);
+	}
+
 	/**
 	 * Check without further synchronization.
 	 * @param player

src/fr/neatmonster/nocheatplus/command/CommandHandler.java

@@ -1,5 +1,6 @@
 package fr.neatmonster.nocheatplus.command;
 
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -74,13 +75,13 @@ public class CommandHandler implements CommandExecutor {
      * @param plugin
      *            the instance of NoCheatPlus
      */
-    public CommandHandler(final NoCheatPlus plugin) {
+    public CommandHandler(final NoCheatPlus plugin, final Collection<INotifyReload> notifyReload) {
         // Register sub commands:
         for (NCPCommand cmd : new NCPCommand[]{
         		new BanCommand(plugin),
         		new InfoCommand(plugin),
         		new KickCommand(plugin),
-        		new ReloadCommand(plugin),
+        		new ReloadCommand(plugin, notifyReload),
         		new TellCommand(plugin),
         		new DelayCommand(plugin),
         }){

src/fr/neatmonster/nocheatplus/command/INotifyReload.java

@@ -0,0 +1,10 @@
+package fr.neatmonster.nocheatplus.command;
+
+/**
+ * Interface for a component that needs to be notified about a reload.
+ * @author mc_dev
+ *
+ */
+public interface INotifyReload {
+	public void onReload();
+}

src/fr/neatmonster/nocheatplus/command/ReloadCommand.java

@@ -1,5 +1,7 @@
 package fr.neatmonster.nocheatplus.command;
 
+import java.util.Collection;
+
 import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
@@ -18,8 +20,12 @@ import fr.neatmonster.nocheatplus.players.Permissions;
 
 public class ReloadCommand extends NCPCommand {
 	
-	public ReloadCommand(NoCheatPlus plugin) {
+	/** Components that need to be notified on reload */
+	private final Collection<INotifyReload> notifyReload;
+
+	public ReloadCommand(NoCheatPlus plugin, Collection<INotifyReload> notifyReload) {
 		super(plugin, "reload", Permissions.ADMINISTRATION_RELOAD);
+		this.notifyReload = notifyReload;
 	}
 
 	@Override
@@ -51,6 +57,11 @@ public class ReloadCommand extends NCPCommand {
         InventoryConfig.clear();
         MovingConfig.clear();
         
+        // Tell the plugin to adapt to new config.
+        for (INotifyReload component : notifyReload){
+        	component.onReload();
+        }
+
         // Say to the other plugins that we've reloaded the configuration.
         Bukkit.getPluginManager().callEvent(new NCPReloadEvent());