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Java > Open Source Codes > org > jboss > aop > MethodByMethodInfo


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;
23
24 import java.lang.reflect.Method JavaDoc;
25
26 import org.jboss.aop.advice.Interceptor;
27 import org.jboss.aop.joinpoint.Joinpoint;
28 import org.jboss.aop.joinpoint.MethodCalledByMethodJoinpoint;
29 import org.jboss.aop.util.MethodHashing;
30
31 /**
32  *
33  * @author <a HREF="kabir.khan@jboss.com">Kabir Khan</a>
34  * @version $Revision: 56933 $
35  */
36 public class MethodByMethodInfo extends CallerMethodInfo
37 {
38    private final long callingMethodHash;
39    private final Method JavaDoc callingMethod;
40    
41    public MethodByMethodInfo(Advisor advisor, Class JavaDoc calledClass, Method JavaDoc m, long callingMethodHash, long calledMethodHash, Interceptor[] in)
42    {
43       super(advisor, calledClass, m, calledMethodHash, in, advisor.getClazz());
44       try
45       {
46          this.callingMethodHash = callingMethodHash;
47          callingMethod = MethodHashing.findMethodByHash(getCallingClass(), callingMethodHash);
48       }
49       catch (Exception JavaDoc e)
50       {
51          throw new RuntimeException JavaDoc(e);
52       }
53    }
54    
55    /*
56     * For copying
57     */
58    private MethodByMethodInfo(MethodByMethodInfo other)
59    {
60       super(other);
61       this.callingMethodHash = other.callingMethodHash;
62       this.callingMethod = other.callingMethod;
63    }
64    
65    protected Joinpoint internalGetJoinpoint()
66    {
67       return new MethodCalledByMethodJoinpoint(callingMethod, getMethod());
68    }
69    
70    public JoinPointInfo copy()
71    {
72       return new MethodByMethodInfo(this);
73    }
74
75    public String JavaDoc toString()
76    {
77       StringBuffer JavaDoc sb = new StringBuffer JavaDoc("Method called by Method");
78       sb.append("[");
79       sb.append("calling=" + callingMethod);
80       sb.append(",called=" + getMethod());
81       sb.append("]");
82       return sb.toString();
83    }
84
85    public long getCallingMethodHash()
86    {
87       return callingMethodHash;
88    }
89
90    public Method JavaDoc getCallingMethod()
91    {
92       return callingMethod;
93    }
94 }
95
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