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Java > Open Source Codes > org > getahead > dwrdemo > gidemo > PublisherServletContextListener


1 /*
2  * Copyright 2005 Joe Walker
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.getahead.dwrdemo.gidemo;
17
18 import javax.servlet.ServletContextEvent JavaDoc;
19 import javax.servlet.ServletContextListener JavaDoc;
20
21 /**
22  * Allow a Publisher to gracefully shutdown
23  * @author Joe Walker [joe at getahead dot ltd dot uk]
24  */
25 public class PublisherServletContextListener implements ServletContextListener JavaDoc
26 {
27     /* (non-Javadoc)
28      * @see javax.servlet.ServletContextListener#contextInitialized(javax.servlet.ServletContextEvent)
29      */
30     public void contextInitialized(ServletContextEvent JavaDoc sce)
31     {
32     }
33
34     /* (non-Javadoc)
35      * @see javax.servlet.ServletContextListener#contextDestroyed(javax.servlet.ServletContextEvent)
36      */
37     public void contextDestroyed(ServletContextEvent JavaDoc sce)
38     {
39         synchronized (Publisher.class)
40         {
41             if (Publisher.worker != null)
42             {
43                 Publisher.worker.interrupt();
44             }
45         }
46     }
47 }
48
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