WebAppLoader


1   /*
2    * JBoss, Home of Professional Open Source
3    *
4    * Distributable under LGPL license.
5    * See terms of license at gnu.org.
6    */
7   
8   package org.jboss.web.tomcat.tc5;
9   
10  import org.apache.catalina.loader.WebappLoader;
11  import org.apache.catalina.LifecycleException;
12  
13  /**
14   * Override the tomcat WebappLoader to set the default class loader to the
15   * WebAppClassLoader and pass the filtered packages to the WebAppClassLoader.
16   * 
17   * @author Scott.Stark@jboss.org
18   * @version $Revision: 1.1 $
19   */
20  public class WebAppLoader extends WebappLoader
21  {
22     private String  [] filteredPackages = {
23        "org.apache.commons.logging"
24     };
25  
26     public WebAppLoader()
27     {
28        super();
29        setLoaderClass(WebAppClassLoader.class.getName());
30     }
31  
32     public WebAppLoader(ClassLoader   parent, String  [] filteredPackages)
33     {
34        super(parent);
35        setLoaderClass(WebAppClassLoader.class.getName());
36        this.filteredPackages = filteredPackages;
37     }
38  
39     /**
40      * Override to apply the filteredPackages to the jboss WebAppClassLoader
41      * 
42      * @throws LifecycleException
43      */ 
44     public void start() throws LifecycleException
45     {
46        super.start();
47        ClassLoader   loader = getClassLoader();
48        if( loader instanceof WebAppClassLoader )
49        {
50           WebAppClassLoader webLoader = (WebAppClassLoader) loader;
51           webLoader.setFilteredPackages(filteredPackages);
52        }
53     }
54  }
55

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