/*
ItsNat Java Web Application Framework
Copyright (C) 2007-2011 Jose Maria Arranz Santamaria, Spanish citizen
This software is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 3 of
the License, or (at your option) any later version.
This software 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
Lesser General Public License for more details. You should have received
a copy of the GNU Lesser General Public License along with this program.
If not, see <http://www.gnu.org/licenses/>.
*/
package org.itsnat.impl.core.listener.domstd;
import java.io.Serializable;
import org.itsnat.core.event.ItsNatEvent;
import org.itsnat.impl.core.doc.ItsNatDocumentImpl;
import org.w3c.dom.events.Event;
import org.w3c.dom.events.EventListener;
/**
*
* @author jmarranz
*/
public class OnUnloadListenerImpl implements EventListener,Serializable
{
public static final OnUnloadListenerImpl SINGLETON = new OnUnloadListenerImpl();
/**
* Creates a new instance of OnUnloadListenerImpl
*/
private OnUnloadListenerImpl()
{
}
public void handleEvent(Event evt)
{
// Marcamos el documento como inv�lido pues el usuario se sale de la p�gina
// de otra manera la sesi�n referencia el documento hasta que la sesi�n
// se pierda, el problema es que un usuario que hace mucho reload puede
// saturar el servidor.
ItsNatEvent itsNatEvt = (ItsNatEvent)evt;
ItsNatDocumentImpl itsNatDoc = (ItsNatDocumentImpl)itsNatEvt.getItsNatDocument();
itsNatDoc.setInvalid();
}
}