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/*
* 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
*
* 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.apache.tuscany.runtime.webapp;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
import static org.apache.tuscany.runtime.webapp.Constants.RUNTIME_ATTRIBUTE;
/**
* Notifies the Tuscany runtime of session creation and expiration events.
*
* @version $Rev$ $Date$
*/
public class TuscanySessionListener implements HttpSessionListener {
private WebappRuntime runtime;
public void sessionCreated(HttpSessionEvent event) {
if (runtime == null) {
ServletContext context = event.getSession().getServletContext();
runtime = (WebappRuntime) context.getAttribute(RUNTIME_ATTRIBUTE);
if (runtime == null) {
context.log("Error on session creation", new ServletException("Tuscany runtime not configured"));
return;
}
}
runtime.sessionCreated(event);
}
public void sessionDestroyed(HttpSessionEvent event) {
if (runtime != null) {
runtime.sessionDestroyed(event);
}
}
}
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