VerifierClassLoader


1   /*
2    * All content copyright (c) 2003-2006 Terracotta, Inc., except as may otherwise be noted in a separate copyright notice.  All rights reserved.
3    */
4   package com.tc.aspectwerkz.compiler;
5   
6   import java.net.URL  ;
7   import java.net.URLClassLoader  ;
8   
9   /**
10   * VerifierClassLoader does not follow parent delegation model. <p/>It allow to run the -verify option of offline mode
11   * on aspectwerkz itself.
12   *
13   * @author <a HREF="mailto:alex@gnilux.com">Alexandre Vasseur </a>
14   */
15  public class VerifierClassLoader extends URLClassLoader   {
16    public VerifierClassLoader(URL  [] urls, ClassLoader   parent) {
17      super(urls, parent);
18    }
19  
20    protected synchronized Class   loadClass(String   name, boolean resolve) throws ClassNotFoundException   {
21      // First, check if the class has already been loaded
22      Class   c = findLoadedClass(name);
23      if (c == null) {
24        try {
25          // try to load the class localy
26          c = findClass(name);
27        } catch (ClassNotFoundException   e) {
28          // delegate to parent
29          c = getParent().loadClass(name);
30        }
31      }
32      if (resolve) {
33        resolveClass(c);
34      }
35      return c;
36    }
37  }

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