trunk/java/com/l2jserver/gameserver/handler/UserCommandHandler.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2004-2014 L2J Server
+ * 
+ * This file is part of L2J Server.
+ * 
+ * L2J Server is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * L2J Server is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.gameserver.handler;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author UnAfraid
+ */
+public class UserCommandHandler implements IHandler<IUserCommandHandler, Integer>
+{
+	private final Map<Integer, IUserCommandHandler> _datatable;
+	
+	protected UserCommandHandler()
+	{
+		_datatable = new HashMap<>();
+	}
+	
+	@Override
+	public void registerHandler(IUserCommandHandler handler)
+	{
+		int[] ids = handler.getUserCommandList();
+		for (int id : ids)
+		{
+			_datatable.put(id, handler);
+		}
+	}
+	
+	@Override
+	public synchronized void removeHandler(IUserCommandHandler handler)
+	{
+		int[] ids = handler.getUserCommandList();
+		for (int id : ids)
+		{
+			_datatable.remove(id);
+		}
+	}
+	
+	@Override
+	public IUserCommandHandler getHandler(Integer userCommand)
+	{
+		return _datatable.get(userCommand);
+	}
+	
+	@Override
+	public int size()
+	{
+		return _datatable.size();
+	}
+	
+	public static UserCommandHandler getInstance()
+	{
+		return SingletonHolder._instance;
+	}
+	
+	private static class SingletonHolder
+	{
+		protected static final UserCommandHandler _instance = new UserCommandHandler();
+	}
+}