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Java > Open Source Codes > org > jboss > test > isolation > web > c > ContextListener


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.test.isolation.web.c;
23
24 import javax.servlet.ServletContextListener JavaDoc;
25 import javax.servlet.ServletContextEvent JavaDoc;
26
27 import org.jboss.logging.Logger;
28
29 /**
30  * A ContextListener.
31  *
32  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
33  * @version $Revision: 58115 $
34  */
35 public class ContextListener implements ServletContextListener JavaDoc
36 {
37    private static final Logger log = Logger.getLogger(ContextListener.class);
38
39    static
40    {
41       test();
42    }
43    
44    public void contextInitialized(ServletContextEvent JavaDoc e)
45    {
46       test();
47    }
48
49    public void contextDestroyed(ServletContextEvent JavaDoc e)
50    {
51    }
52
53    protected static void test()
54    {
55       dump("TCL=", Thread.currentThread().getContextClassLoader());
56       dump("MyCL=", ContextListener.class.getClassLoader());
57       dump("LoggerCL=", log.getClass().getClassLoader());
58       
59       if (ContextListener.class.getClassLoader() != log.getClass().getClassLoader())
60          throw new RuntimeException JavaDoc("Expected log4j logger to be from same classloader");
61    }
62    
63    protected static void dump(String JavaDoc context, ClassLoader JavaDoc cl)
64    {
65       System.out.println(context + cl);
66    }
67 }
68
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