lastactivitylistener.java

网站即时通讯系统

/*
	Copyright (C) 2003 Adam Olsen

	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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

package com.valhalla.jbother.jabber.smack;

import java.util.*;
import java.util.regex.*;
import org.jivesoftware.smack.*;
import org.jivesoftware.smack.packet.*;

import com.valhalla.gui.*;
import com.valhalla.jbother.*;
import com.valhalla.settings.*;

import java.io.*;

/**
 * Listens for and responds to jabber:iq:last requests
 *
 * @author Andrey Zakirov
 * @version 1.0
*/
public class LastActivityListener implements PacketListener
{
	/**
	 * Event listener called when a Last Activity packet is received
	 * @param message the version packet received
	*/
	public void processPacket( Packet message )
	{
		if( !( message instanceof LastActivity ) || ((IQ)message).getType() != IQ.Type.GET ) return;
        if( !Settings.getInstance().getBoolean("reportIdleTime")) return;

		LastActivity last = (LastActivity)message;
		String from = last.getFrom();
		String to = last.getTo();

        last.setType(IQ.Type.RESULT);
		last.setFrom( to );
		last.setTo( from );
        long time = (new Date().getTime()/1000) - BuddyList.getInstance ().getLastActive ();
		last.setSeconds(  Long.toString ( time ));

		com.valhalla.Logger.debug( "Last Activity request received from " + from + ".  I've been idle for " + time + " seconds." );

		if( BuddyList.getInstance().checkConnection() )
		BuddyList.getInstance().getConnection().sendPacket( last );
	}

}