/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 2.1 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.photoalbum.util;
/**
* This class is session listener that observes <code>"org.jboss.seam.sessionExpired"</code> event to delete in production systems users when it's session is expired
* to prevent flood. Used only on livedemo server. If you don't want this functionality simply delete this class from distributive.
*
* @author Andrey Markhel
*/
import java.io.Serializable;
import java.util.List;
import javax.annotation.PreDestroy;
import javax.enterprise.context.SessionScoped;
import javax.enterprise.event.Event;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import org.richfaces.photoalbum.manager.LoggedUserTracker;
import org.richfaces.photoalbum.model.Comment;
import org.richfaces.photoalbum.model.User;
import org.richfaces.photoalbum.model.actions.IImageAction;
import org.richfaces.photoalbum.model.event.EventType;
import org.richfaces.photoalbum.model.event.Events;
import org.richfaces.photoalbum.model.event.SimpleEvent;
@SessionScoped
public class SessionListener implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
@Inject
private User user;
@Inject
private IImageAction imageAction;
@Inject
private EntityManager em;
@Inject
LoggedUserTracker userTracker;
@Inject
@EventType(Events.USER_DELETED_EVENT)
Event<SimpleEvent> event;
@PreDestroy
public void onDestroy() {
if (!Environment.isInProduction()) {
return;
}
if (user.getId() != null && !user.isPreDefined() && !userTracker.containsUserId(user.getId())) {
user = em.merge(user);
final List<Comment> userComments = imageAction.findAllUserComments(user);
for (Comment c : userComments) {
em.remove(c);
}
em.remove(user);
em.flush();
event.fire(new SimpleEvent());
}
}
}