1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.component.html.util;
20
21 import javax.servlet.ServletContextEvent;
22 import javax.servlet.ServletContextListener;
23
24 import org.apache.myfaces.shared_tomahawk.config.MyfacesConfig;
25
26 public class StreamingDestroyerListener implements ServletContextListener
27 {
28
29 public void contextInitialized(ServletContextEvent event)
30 {
31 //Only initialize a StreamingThreadManager if StreamingAddResource is used
32 String addResourceClass = MyfacesConfig.getAddResourceClassFromServletContext(event.getServletContext());
33
34 if (addResourceClass != null && addResourceClass.equals(StreamingAddResource.class.getName()))
35 {
36 StreamingThreadManager manager = new StreamingThreadManager();
37 event.getServletContext().setAttribute(StreamingThreadManager.KEY,
38 manager);
39 manager.init();
40 }
41 }
42
43 public void contextDestroyed(ServletContextEvent event)
44 {
45 StreamingThreadManager manager = (StreamingThreadManager) event.getServletContext().getAttribute(StreamingThreadManager.KEY);
46 if (manager != null)
47 {
48 manager.destroy();
49 }
50 }
51 }