/* 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 2, 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * http://www.gnu.org/copyleft/gpl.html
 */
package net.sf.l2j.gameserver;

import java.util.Calendar;
import java.io.*;



/**
 * This class writes the current server uptime
 * to a text file every second.
 * 
 * @version $Revision: $ $Date: $
 * @author  AresXP
 */
public class GameServerUptime
{
    public String _uptime_file = "uptime.txt";
    private static GameServerUptime _instance;    
    Calendar cal = Calendar.getInstance();
    public long _uptime = (cal.getTimeInMillis() - GameServer.DateTimeServerStarted.getTimeInMillis()) / 1000L;
    class GrabUptime implements Runnable
    {
        public void run()
        {
            try
            {
                BufferedWriter fileout = new BufferedWriter(new FileWriter(_uptime_file));
                fileout.write(Long.toString(_uptime));
                fileout.flush();
                fileout.close();
            } catch(IOException e)
            {
            }
            ThreadPoolManager.getInstance().scheduleGeneral(new GrabUptime(), 1000);
        }
    }
    public static GameServerUptime getInstance() 
    {
        if ( _instance == null ) 
            _instance = new GameServerUptime();
        return _instance;
    }
    private GameServerUptime()
    {
        ThreadPoolManager.getInstance().scheduleGeneral(new GrabUptime(), 1000);
    }
}