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1   /***************************************************************************************
2    * Copyright (c) Jonas BonŽr, 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.annotation.instrumentation;
9   
10  import com.thoughtworks.qdox.model.JavaField;
11  import com.thoughtworks.qdox.model.JavaMethod;
12  
13  import java.net.URL;
14  
15  /***
16   * Enhances a classes with attributes.
17   *
18   * @author <a href="mailto:jboner@codehaus.org">Jonas BonŽr </a>
19   */
20  public interface AttributeEnhancer {
21      /***
22       * The name of the AspectWerkz custom attributes.
23       */
24      public static final String CUSTOM_ATTRIBUTE = "org.codehaus.aspectwerkz.custom_attribute";
25  
26      /***
27       * Initializes the attribute enhancer. <p/>Must always be called before use.
28       *
29       * @param className the class name
30       * @param classPath the class path
31       * @return true if the class was succefully loaded, false otherwise
32       */
33      boolean initialize(String className, URL[] classPath);
34  
35      /***
36       * Inserts an attribute on class level.
37       *
38       * @param attribute the attribute
39       */
40      void insertClassAttribute(Object attribute);
41  
42      /***
43       * Inserts an attribute on field level.
44       *
45       * @param field     the QDox java field
46       * @param attribute the attribute
47       */
48      void insertFieldAttribute(JavaField field, Object attribute);
49  
50      /***
51       * Inserts an attribute on constructor level.
52       *
53       * @param method    the QDox java method
54       * @param attribute the attribute
55       */
56      void insertConstructorAttribute(JavaMethod method, Object attribute);
57  
58      /***
59       * Inserts an attribute on method level.
60       *
61       * @param method    the QDox java method
62       * @param attribute the attribute
63       */
64      void insertMethodAttribute(JavaMethod method, Object attribute);
65  
66      /***
67       * Writes the enhanced class to file.
68       *
69       * @param destDir the destination directory
70       */
71      void write(String destDir);
72  
73      /***
74       * Return the first interfaces implemented by a level in the class hierarchy (bottom top).
75       *
76       * @return nearest superclass (including itself) ' implemented interfaces
77       */
78      String[] getNearestInterfacesInHierarchy(String innerClassName);
79  }