/**
* Copyright (C) 2012 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.dashboard.users;
import org.jboss.dashboard.annotation.Install;
import org.jboss.dashboard.ui.controller.RequestContext;
import javax.enterprise.context.ApplicationScoped;
import javax.servlet.http.HttpSession;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
/**
* A Listener that clears the unnecessary session components when changes something on the platform user status.
*/
@ApplicationScoped @Install
public class SessionClearerUserStatusListener implements UserStatusListener {
public void statusChanged(UserStatus us) {
if (us.isAnonymous()) { // just logout
RequestContext ctx = RequestContext.lookup();
HttpSession session = ctx.getRequest().getSessionObject();
Enumeration en = session.getAttributeNames();
Set attributesToDelete = new HashSet();
while (en.hasMoreElements()) {
String attrName = (String) en.nextElement();
Object obj = session.getAttribute(attrName);
if (obj == null || !(obj instanceof LogoutSurvivor)) {
attributesToDelete.add(attrName);
}
}
for (Iterator iterator = attributesToDelete.iterator(); iterator.hasNext();) {
String attrName = (String) iterator.next();
session.removeAttribute(attrName);
}
ctx.getRequest().getRequestObject().getSession().invalidate();
}
}
}