/*
 * This program 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.
 * 
 * This program 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 gnu.trove.map.hash.TIntObjectHashMap;

import java.util.logging.Logger;

import com.l2jserver.Config;

/**
 * This class ...
 *
 * @version $Revision: 1.1.4.5 $ $Date: 2005/03/27 15:30:09 $
 */
public class AdminCommandHandler
{
	private static Logger _log = Logger.getLogger(AdminCommandHandler.class.getName());
	
	private final TIntObjectHashMap<IAdminCommandHandler> _datatable;
	
	public static AdminCommandHandler getInstance()
	{
		return SingletonHolder._instance;
	}
	
	protected AdminCommandHandler()
	{
		_datatable = new TIntObjectHashMap<>();
	}
	
	public void registerHandler(IAdminCommandHandler handler)
	{
		String[] ids = handler.getAdminCommandList();
		for (int i = 0; i < ids.length; i++)
		{
			if (Config.DEBUG)
				_log.fine("Adding handler for command " + ids[i]);
			_datatable.put(ids[i].hashCode(), handler);
		}
	}
	
	public IAdminCommandHandler getHandler(String adminCommand)
	{
		String command = adminCommand;
		if (adminCommand.indexOf(" ") != -1)
		{
			command = adminCommand.substring(0, adminCommand.indexOf(" "));
		}
		if (Config.DEBUG)
			_log.fine("getting handler for command: " + command + " -> " + (_datatable.get(command.hashCode()) != null));
		return _datatable.get(command.hashCode());
	}
	
	/**
	 * @return
	 */
	public int size()
	{
		return _datatable.size();
	}
	
	private static class SingletonHolder
	{
		protected static final AdminCommandHandler _instance = new AdminCommandHandler();
	}
}