AOPDeployedChecker


1   /*
2   * JBoss, Home of Professional Open Source.
3   * Copyright 2006, Red Hat Middleware LLC, and individual contributors
4   * as indicated by the @author tags. See the copyright.txt file in the
5   * distribution for a 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.aop.microcontainer.integration;
23  
24  /**
25   * 
26   * @author <a HREF="kabir.khan@jboss.com">Kabir Khan</a>
27   * @version $Revision: 1.1 $
28   */
29  public class AOPDeployedChecker
30  {
31     public static Class   getClassIfExists(ClassLoader   beanLoader, String   className)
32     {
33        Class   clazz = attemptLoadClass(beanLoader, className);
34        if (clazz != null)
35        {
36           return clazz;
37        }
38        
39        //Try the thread context classloader as well
40        ClassLoader   tcl = Thread.currentThread().getContextClassLoader();
41        return attemptLoadClass(tcl, className);
42     }
43     
44     private static Class   attemptLoadClass(ClassLoader   loader, String   className)
45     {
46        if (loader != null)
47        {
48           try
49           {
50              return loader.loadClass(className);
51           }
52           catch(ClassNotFoundException   e)
53           {
54              return null;
55           }
56        }
57        return null;
58     }
59  }
60
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