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 import java.util.Hashtable;
11
12 /***
13 * Implement to be a class PreProcessor in the AspectWerkz univeral loading architecture. <p/>A single instance of the
14 * class implementing this interface is build during the java.lang.ClassLoader initialization or just before the first
15 * class loads, bootclasspath excepted. Thus there is a single instance the of ClassPreProcessor per JVM. <br/>Use the
16 * <code>-Daspectwerkz.classloader.preprocessor</code> option to specify which class preprocessor to use.
17 *
18 * @author <a href="mailto:alex@gnilux.com">Alexandre Vasseur </a>
19 * @see org.codehaus.aspectwerkz.hook.ProcessStarter
20 */
21 public interface ClassPreProcessor {
22 public abstract void initialize(Hashtable hashtable);
23
24 public abstract byte[] preProcess(String klass, byte[] abyte, ClassLoader caller);
25 }