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Java > Open Source Codes > org > codehaus > aspectwerkz > hook > ClassPreProcessor


1 /**************************************************************************************
2  * Copyright (c) Jonas Bonér, Alexandre Vasseur. All rights reserved. *
3  * http://aspectwerkz.codehaus.org *
4  * ---------------------------------------------------------------------------------- *
5  * The software in this package is published under the terms of the LGPL license *
6  * a copy of which has been included with this distribution in the license.txt file. *
7  **************************************************************************************/

8 package org.codehaus.aspectwerkz.hook;
9
10 /**
11  * Implement to be a class PreProcessor in the AspectWerkz univeral loading architecture. <p/>A single instance of the
12  * class implementing this interface is build during the java.lang.ClassLoader initialization or just before the first
13  * class loads, bootclasspath excepted. Thus there is a single instance the of ClassPreProcessor per JVM. <br/>Use the
14  * <code>-Daspectwerkz.classloader.preprocessor</code> option to specify which class preprocessor to use.
15  *
16  * @author <a HREF="mailto:alex@gnilux.com">Alexandre Vasseur </a>
17  * @see org.codehaus.aspectwerkz.hook.ProcessStarter
18  */

19 public interface ClassPreProcessor {
20
21     public abstract void initialize();
22
23     public abstract byte[] preProcess(String JavaDoc klass, byte[] abyte, ClassLoader JavaDoc caller);
24 }
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