org.atmosphere.cpr.SessionSupport Maven / Gradle / Ivy
/*
* Copyright 2015 Async-IO.org
*
* 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.atmosphere.cpr;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
public class SessionSupport implements HttpSessionListener {
private final Logger logger = LoggerFactory.getLogger(SessionSupport.class);
// Quite ugly, but gives hints about current state of Session Support.
public static boolean initializationHint = false;
public SessionSupport() {
initializationHint = true;
}
@Override
public void sessionCreated(HttpSessionEvent se) {
logger.trace("Session created");
}
@Override
public void sessionDestroyed(HttpSessionEvent se) {
logger.trace("Session destroyed");
try {
HttpSession s = se.getSession();
BroadcasterFactory f = (BroadcasterFactory) s.getAttribute(FrameworkConfig.BROADCASTER_FACTORY);
if (f != null) {
s.setAttribute(FrameworkConfig.BROADCASTER_FACTORY, null);
for (Broadcaster b : f.lookupAll()) {
for (AtmosphereResource r : b.getAtmosphereResources()) {
if (r.session() != null && r.session().getId().equals(s.getId())) {
AtmosphereResourceImpl.class.cast(r).session(null);
}
}
}
}
} catch (Throwable t) {
logger.warn("", t);
}
}
}