/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.apache.openejb.server.httpd;
import org.apache.openejb.cdi.CdiAppContextsService;
import org.apache.webbeans.config.WebBeansContext;
import org.apache.webbeans.spi.ContextsService;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.ServletRequestEvent;
import javax.servlet.ServletRequestListener;
import javax.servlet.http.HttpSessionActivationListener;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
/**
* @version $Rev$ $Date$
* <p/>
* Used as a stack executed at the end of the request too. Avoid multiple (useless) listeners.
*/
public class EndWebBeansListener implements ServletContextListener, ServletRequestListener, HttpSessionListener, HttpSessionActivationListener {
/**
* Manages the container lifecycle
*/
protected WebBeansContext webBeansContext;
private final CdiAppContextsService contextsService;
private final boolean cleanUpSession;
/**
* Default constructor
*
* @param webBeansContext the OWB context
*/
public EndWebBeansListener(WebBeansContext webBeansContext) {
this.webBeansContext = webBeansContext;
if (webBeansContext != null) {
this.contextsService = CdiAppContextsService.class.cast(webBeansContext.getService(ContextsService.class));
this.cleanUpSession = Boolean.parseBoolean(webBeansContext.getOpenWebBeansConfiguration()
.getProperty("tomee.session.remove-cdi-beans-on-passivate", "false"));
} else {
this.contextsService = null;
this.cleanUpSession = false; // ignored anyway
}
}
/**
* {@inheritDoc}
*/
@Override
public void requestDestroyed(ServletRequestEvent event) {
// no-op
}
/**
* {@inheritDoc}
*/
@Override
public void requestInitialized(ServletRequestEvent event) {
}
/**
* {@inheritDoc}
*/
@Override
public void sessionCreated(HttpSessionEvent event) {
// no-op
}
/**
* {@inheritDoc}
*/
@Override
public void sessionDestroyed(final HttpSessionEvent event) {
if (contextsService == null) {
return;
}
WebBeansListenerHelper.ensureRequestScope(contextsService, this);
}
@Override
public void sessionWillPassivate(HttpSessionEvent event) {
if (webBeansContext == null) {
return;
}
if (cleanUpSession) {
event.getSession().removeAttribute("openWebBeansSessionContext");
}
WebBeansListenerHelper.destroyFakedRequest(this);
}
@Override
public void sessionDidActivate(HttpSessionEvent event) {
// no-op
}
@Override
public void contextInitialized(ServletContextEvent servletContextEvent) {
WebBeansListenerHelper.destroyFakedRequest(this);
}
@Override
public void contextDestroyed(ServletContextEvent servletContextEvent) {
if (contextsService == null) {
return;
}
WebBeansListenerHelper.ensureRequestScope(contextsService, this);
}
}