AbstractTopLevelClassLoaderDeployer


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3   * Copyright 2006, 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.
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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.deployers.plugins.deployers.helpers;
23  
24  import org.jboss.deployers.spi.structure.DeploymentContext;
25  
26  /**
27   * AbstractTopLevelClassLoaderDeployer.
28   * 
29   * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
30   * @version $Revision: 1.1 $
31   */
32  public abstract class AbstractTopLevelClassLoaderDeployer extends AbstractClassLoaderDeployer
33  {
34     public ClassLoader   createClassLoader(DeploymentContext context) throws Exception  
35     {
36        if (context.isTopLevel())
37           return createTopLevelClassLoader(context);
38        
39        return context.getTopLevel().getClassLoader();
40     }
41  
42     public void removeClassLoader(DeploymentContext context) throws Exception  
43     {
44        if (context.isTopLevel())
45           removeTopLevelClassLoader(context);
46     }
47  
48     /**
49      * Create a top level classloader
50      * 
51      * @param context the context
52      * @return the classloader
53      * @throws Exception for any error
54      */
55     public abstract ClassLoader   createTopLevelClassLoader(DeploymentContext context) throws Exception  ;
56  
57     /**
58      * Remove a top level classloader
59      * 
60      * @param context the context
61      * @throws Exception for any error
62      */
63     public void  removeTopLevelClassLoader(DeploymentContext context) throws Exception  
64     {
65     }
66  }
67
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