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Java > Open Source Codes > org > jboss > aop > instrument > GeneratedAdvisorCallerInfoAdder


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.aop.instrument;
23
24
25 import javassist.CannotCompileException;
26 import javassist.CtClass;
27 import javassist.CtMethod;
28 import javassist.Modifier;
29 import javassist.NotFoundException;
30
31 /**
32  * Adds CallerInfo fields to generated advisor
33  *
34  * @author <a HREF="mailto:kabir.khan@jboss.org">Kabir Khan</a>
35  * @version $Revision$
36  */
37 public class GeneratedAdvisorCallerInfoAdder extends CallerInfoAdder
38 {
39    public GeneratedAdvisorCallerInfoAdder(Instrumentor instrumentor)
40    {
41       super(instrumentor, Modifier.PROTECTED);
42    }
43
44    protected void addMethodByMethodInfoField(CtClass addTo, String JavaDoc fieldName, long callingHash, String JavaDoc classname, long calledHash) throws NotFoundException, CannotCompileException
45    {
46       String JavaDoc init = "resolveCallerMethodInfo(" + callingHash + "L, \"" + classname + "\", " + calledHash + "L)";
47       addMethodByMethodInfoField(addTo, fieldName, null);
48       ((GeneratedAdvisorInstrumentor)instrumentor).initialiseCallerInfoField(fieldName, init);
49    }
50    
51    protected void addConByMethodInfoField(CtClass addTo, String JavaDoc fieldName, long callingHash, String JavaDoc classname, long calledHash) throws NotFoundException, CannotCompileException
52    {
53       String JavaDoc init = "resolveCallerConstructorInfo(" + callingHash + "L, \"" + classname + "\", " + calledHash + "L)";
54       addConByMethodInfoField(addTo, fieldName, null);
55       ((GeneratedAdvisorInstrumentor)instrumentor).initialiseCallerInfoField(fieldName, init);
56    }
57
58    protected void addConByConInfoField(CtClass addTo, String JavaDoc fieldName, int callingIndex, String JavaDoc classname, long calledHash) throws NotFoundException, CannotCompileException
59    {
60       String JavaDoc init = "resolveConstructorCallerConstructorInfo(" + callingIndex + ", \"" + classname + "\", " + calledHash + "L)";
61       addConByConInfoField(addTo, fieldName, null);
62       ((GeneratedAdvisorInstrumentor)instrumentor).initialiseCallerInfoField(fieldName, init);
63    }
64
65    protected void addMethodByConInfoField(CtClass addTo, String JavaDoc fieldName, int callingIndex, String JavaDoc classname, long calledHash) throws NotFoundException, CannotCompileException
66    {
67       String JavaDoc init = "resolveConstructorCallerMethodInfo(" + callingIndex + ", \"" + classname + "\", " + calledHash + "L)";
68       addMethodByConInfoField(addTo, fieldName, null);
69       ((GeneratedAdvisorInstrumentor)instrumentor).initialiseCallerInfoField(fieldName, init);
70    }
71
72    protected boolean addInfoAsWeakReference()
73    {
74       return false;
75    }
76 }
77
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