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Java > Open Source Codes > org > codehaus > aspectwerkz > transform > inlining > AdviceMethodInfo


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.inlining;
9
10 import org.codehaus.aspectwerkz.aspect.AdviceInfo;
11
12 /**
13  * Container for the advice method info.
14  *
15  * @author <a HREF="mailto:jboner@codehaus.org">Jonas Bonér </a>
16  * @author <a HREF="mailto:alex AT gnilux DOT com">Alexandre Vasseur</a>
17  */

18 public class AdviceMethodInfo {
19     private final AspectInfo m_aspectInfo;
20     private final AdviceInfo m_adviceInfo;
21     private int m_specialArgumentIndex = -1;//FIXME remove - should not be here
22
private int m_joinPointIndex;//FIXME remove - should not be here
23
private String JavaDoc m_calleeClassSignature;
24     private String JavaDoc m_callerClassSignature;
25     private String JavaDoc m_joinPointClassName;
26     private String JavaDoc m_calleeMemberDesc;
27
28     public AdviceMethodInfo(final AdviceInfo adviceInfo,
29                             final String JavaDoc aspectFieldName,
30                             final String JavaDoc aspectClassName,
31                             final String JavaDoc aspectClassSignature,
32                             final String JavaDoc callerClassSignature,
33                             final String JavaDoc calleeClassSignature,
34                             final String JavaDoc joinPointClassName,
35                             final String JavaDoc calleeMemberDesc) {
36         m_adviceInfo = adviceInfo;
37         m_aspectInfo = new AspectInfo(
38                 adviceInfo.getAdviceDefinition().getAspectDefinition(),
39                 aspectFieldName, aspectClassName, aspectClassSignature
40         );
41         m_callerClassSignature = callerClassSignature;
42         m_calleeClassSignature = calleeClassSignature;
43         m_joinPointClassName = joinPointClassName;
44         m_calleeMemberDesc = calleeMemberDesc;
45     }
46
47     public AdviceInfo getAdviceInfo() {
48         return m_adviceInfo;
49     }
50
51     public AspectInfo getAspectInfo() {
52         return m_aspectInfo;
53     }
54
55     public int[] getAdviceMethodArgIndexes() {
56         return m_adviceInfo.getMethodToArgIndexes();
57     }
58
59     public String JavaDoc getSpecialArgumentTypeDesc() {
60         return m_adviceInfo.getSpecialArgumentTypeDesc();
61     }
62
63     public String JavaDoc getSpecialArgumentTypeName() {
64         return m_adviceInfo.getSpecialArgumentTypeName();
65     }
66
67     public int getJoinPointIndex() {
68         return m_joinPointIndex;
69     }
70
71     public void setJoinPointIndex(final int joinPointIndex) {
72         m_joinPointIndex = joinPointIndex;
73     }
74
75     public int getSpecialArgumentIndex() {
76         return m_specialArgumentIndex;
77     }
78
79     public void setSpecialArgumentIndex(final int index) {
80         m_specialArgumentIndex = index;
81     }
82
83     public String JavaDoc getCalleeClassSignature() {
84         return m_calleeClassSignature;
85     }
86
87     public String JavaDoc getCallerClassSignature() {
88         return m_callerClassSignature;
89     }
90
91     public String JavaDoc getJoinPointClassName() {
92         return m_joinPointClassName;
93     }
94
95     public String JavaDoc getCalleeMemberDesc() {
96         return m_calleeMemberDesc;
97     }
98
99     /**
100      * @return true if the advice uses this or target (bounded or runtime check)
101      */

102     public boolean requiresThisOrTarget() {
103         if (m_adviceInfo.hasTargetWithRuntimeCheck()) {
104             return true;
105         } else {
106             // look for TARGET or THIS bindings
107
for (int i = 0; i < m_adviceInfo.getMethodToArgIndexes().length; i++) {
108                 int index = m_adviceInfo.getMethodToArgIndexes()[i];
109                 if (index == AdviceInfo.TARGET_ARG ||
110                     index == AdviceInfo.THIS_ARG) {
111                     return true;
112                 }
113             }
114         }
115         return false;
116     }
117
118     /**
119      * @return true if the advice uses non static JoinPoint explicitly
120      */

121     public boolean requiresJoinPoint() {
122         // look for JoinPoint
123
for (int i = 0; i < m_adviceInfo.getMethodToArgIndexes().length; i++) {
124             int index = m_adviceInfo.getMethodToArgIndexes()[i];
125             if (index == AdviceInfo.JOINPOINT_ARG) {
126                 return true;
127             }
128         }
129         return false;
130     }
131
132 }
133
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