Java tutorial
/* CubusSessionListener.java Copyright (c) 2009 Juergen Schlierf, All Rights Reserved This file is part of Cubusmail (http://code.google.com/p/cubusmail/). This library 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 library 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 Cubusmail. If not, see <http://www.gnu.org/licenses/>. */ package com.cubusmail.server.services; import javax.servlet.http.HttpSessionEvent; import javax.servlet.http.HttpSessionListener; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.cubusmail.server.mail.IMailbox; import com.cubusmail.server.mail.SessionManager; /** * Force a mailbox logout if session expires. * * @author Juergen Schlierf */ public class CubusSessionListener implements HttpSessionListener { private final Log log = LogFactory.getLog(getClass()); /* * (non-Javadoc) * * @see * javax.servlet.http.HttpSessionListener#sessionCreated(javax.servlet.http * .HttpSessionEvent) */ public void sessionCreated(HttpSessionEvent event) { } /* * (non-Javadoc) * * @see * javax.servlet.http.HttpSessionListener#sessionDestroyed(javax.servlet * .http.HttpSessionEvent) */ public void sessionDestroyed(HttpSessionEvent event) { try { log.debug("Session expired. Execute logout."); if (SessionManager.get(event.getSession()) != null) { IMailbox mailbox = SessionManager.get(event.getSession()).getMailbox(); if (mailbox != null && mailbox.isLoggedIn()) { mailbox.logout(); } } } catch (Throwable ex) { // nothing to do log.warn(ex.getMessage()); } } }