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


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 import javassist.CannotCompileException;
25 import javassist.CtClass;
26 import javassist.NotFoundException;
27
28 /**
29  * Adds CallerInfo fields to advised class
30  *
31  * @author <a HREF="mailto:kabir.khan@jboss.org">Kabir Khan</a>
32  * @version $Revision$
33  */
34 public class ClassicCallerInfoAdder extends CallerInfoAdder
35 {
36
37    public ClassicCallerInfoAdder(Instrumentor instrumentor)
38    {
39       super(instrumentor);
40    }
41
42    protected void addMethodByMethodInfoField(CtClass addTo, String JavaDoc fieldName, long callingHash, String JavaDoc classname, long calledHash) throws NotFoundException, CannotCompileException
43    {
44       String JavaDoc init = "aop$classAdvisor$aop.resolveCallerMethodInfoAsWeakReference(" + callingHash + "L, \"" + classname + "\", " + calledHash + "L)";
45       addMethodByMethodInfoField(addTo, fieldName, init);
46    }
47
48    protected void addConByMethodInfoField(CtClass addTo, String JavaDoc fieldName, long callingHash, String JavaDoc classname, long calledHash) throws NotFoundException, CannotCompileException
49    {
50       String JavaDoc init = "aop$classAdvisor$aop.resolveCallerConstructorInfoAsWeakReference(" + callingHash + "L, \"" + classname + "\", " + calledHash + "L)";
51       addConByMethodInfoField(addTo, fieldName, init);
52    }
53
54    protected void addConByConInfoField(CtClass addTo, String JavaDoc fieldName, int callingIndex, String JavaDoc classname, long calledHash) throws NotFoundException, CannotCompileException
55    {
56       String JavaDoc init = "aop$classAdvisor$aop.resolveConstructorCallerConstructorInfoAsWeakReference(" + callingIndex + ", \"" + classname + "\", " + calledHash + "L)";
57       addConByConInfoField(addTo, fieldName, init);
58    }
59
60    protected void addMethodByConInfoField(CtClass addTo, String JavaDoc fieldName, int callingIndex, String JavaDoc classname, long calledHash) throws NotFoundException, CannotCompileException
61    {
62       String JavaDoc init = "aop$classAdvisor$aop.resolveConstructorCallerMethodInfoAsWeakReference(" + callingIndex + ", \"" + classname + "\", " + calledHash + "L)";
63       addMethodByConInfoField(addTo, fieldName, init);
64    }
65
66    protected boolean addInfoAsWeakReference()
67    {
68       return true;
69    }
70 }
71
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