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1 package org.jboss.test.cluster.web;
2
3 import javax.management.MBeanServer  ;
4 import javax.servlet.ServletContextEvent ;
5 import javax.servlet.ServletContextListener ;
6
7 import org.jboss.mx.util.MBeanServerLocator;
8
9 public class CacheHelperServletContextListener implements ServletContextListener
10 {
11 private MBeanServer server;
12 private CacheHelper helper;
13
14 public void contextInitialized(ServletContextEvent arg0)
15 {
16 server = MBeanServerLocator.locateJBoss();
17 if (!server.isRegistered(CacheHelper.OBJECT_NAME))
18 {
19 helper = new CacheHelper(server);
20 try
21 {
22 server.registerMBean(helper, CacheHelper.OBJECT_NAME);
23 }
24 catch (Exception e)
25 {
26 throw new RuntimeException (e);
27 }
28 }
29 }
30
31 public void contextDestroyed(ServletContextEvent arg0)
32 {
33 try
34 {
35 if (helper != null && !helper.getLeaveInstalledAfterShutdown()
36 && (server.isRegistered(CacheHelper.OBJECT_NAME)))
37 {
38 server.unregisterMBean(CacheHelper.OBJECT_NAME);
39 }
40 }
41 catch (Exception e)
42 {
43 throw new RuntimeException (e);
44 }
45 }
46
47 }
48 |
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