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Java > Open Source Codes > jbet > MethodSignature


1 /*
2  * JBET - Java Binary Enhancement Tool
3  * Copyright (c) 2003 Networks Associates Technology, Inc.
4  *
5  * This software was developed under DARPA/SPAWAR contract
6  * N66001-00-C-8602 "SPMA" as part of the
7  * DARPA OASIS research program.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in the
16  * documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30
31 /* Represents the signature of a method (name, descriptor, exceptions)
32
33    @author Andrew Reisse
34 */
35
36 package jbet;
37 import java.util.Vector JavaDoc;
38
39 public class MethodSignature
40 {
41     public int accessFlags;
42     public String JavaDoc classname;
43     public String JavaDoc name;
44     public Descriptor descriptor;
45     public Vector JavaDoc exceptions;
46     public Object JavaDoc dags;
47
48     public Object JavaDoc classrep() { return classname; }
49
50     public MethodSignature () { }
51
52     public MethodSignature (String JavaDoc c, String JavaDoc n, Descriptor s)
53     {
54     classname = c;
55     name = n;
56     descriptor = s;
57     exceptions = new Vector JavaDoc();
58     }
59
60     public MethodInfo resolve () throws ClassFileException, ElementNotFoundException
61     {
62     if (this instanceof MethodInfo)
63         return (MethodInfo) this;
64     return Jbet.loader.getMethod (classname, name, descriptor);
65     }
66
67     /* Searches for superclass methods if not defined in this class */
68
69     public MethodInfo resolveAny () throws ClassFileException, ElementNotFoundException
70     {
71     if (this instanceof MethodInfo)
72         return (MethodInfo) this;
73
74     try {
75         return Jbet.loader.getMethod (classname, name, descriptor);
76     } catch (ElementNotFoundException e)
77         {
78         ClassInfo thisc = Jbet.loader.getClass (classname);
79         return new MethodSignature (thisc.getSuperName(), name, descriptor).resolve();
80         }
81     }
82 }
83
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