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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.transform;
9   
10  import org.codehaus.aspectwerkz.transform.delegation.Klass;
11  
12  /***
13   * Component for class transformation At load time / post compilation time: transform At runtime to activate prepared
14   * declarations: activate
15   * 
16   * @author <a href="mailto:alex@gnilux.com">Alexandre Vasseur </a>
17   */
18  public interface Transformer {
19  
20      public final static int STATUS_SKIP = 1;
21  
22      public final static int STATUS_HAS_NO_POINTCUT = 2;
23  
24      public final static int STATUS_HAS_POINTCUT = 3;
25  
26      /***
27       * Transforms bytecode at load time
28       * 
29       * @param context
30       * @param klass
31       * @throws Exception
32       */
33      public abstract void transform(final Context context, final Klass klass) throws Exception;
34  }