1 /*
2 * The Apache Software License, Version 1.1
3 *
4 * Copyright (c) 2002 The Apache Software Foundation. All rights
5 * reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * 3. The end-user documentation included with the redistribution,
20 * if any, must include the following acknowledgment:
21 * "This product includes software developed by the
22 * Apache Software Foundation (http://www.apache.org/)."
23 * Alternately, this acknowledgment may appear in the software itself,
24 * if and wherever such third-party acknowledgments normally appear.
25 *
26 * 4. The names "Apache" and "Apache Software Foundation" must
27 * not be used to endorse or promote products derived from this
28 * software without prior written permission. For written
29 * permission, please contact apache@apache.org.
30 *
31 * 5. Products derived from this software may not be called "Apache",
32 * nor may "Apache" appear in their name, without prior written
33 * permission of the Apache Software Foundation.
34 *
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 * SUCH DAMAGE.
47 * ====================================================================
48 *
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation. For more
51 * information on the Apache Software Foundation, please see
52 * <http://www.apache.org/>;.
53 */
54 package net.sf.cglib.core;
55
56 import org.objectweb.asm.Type;
57
58 /***
59 * A representation of a method signature, containing the method name,
60 * return type, and parameter types.
61 */
62 public class Signature {
63 private String name;
64 private String desc;
65
66 public Signature(String name, String desc) {
67 // TODO: better error checking
68 if (name.indexOf('(') >= 0) {
69 throw new IllegalArgumentException("Name '" + name + "' is invalid");
70 }
71 this.name = name;
72 this.desc = desc;
73 }
74
75 public Signature(String name, Type returnType, Type[] argumentTypes) {
76 this(name, Type.getMethodDescriptor(returnType, argumentTypes));
77 }
78
79 public String getName() {
80 return name;
81 }
82
83 public String getDescriptor() {
84 return desc;
85 }
86
87 public Type getReturnType() {
88 return Type.getReturnType(desc);
89 }
90
91 public Type[] getArgumentTypes() {
92 return Type.getArgumentTypes(desc);
93 }
94
95 public String toString() {
96 return name + desc;
97 }
98
99 public boolean equals(Object o) {
100 if (o == null)
101 return false;
102 if (!(o instanceof Signature))
103 return false;
104 Signature other = (Signature)o;
105 return name.equals(other.name) && desc.equals(other.desc);
106 }
107
108 public int hashCode() {
109 return name.hashCode() ^ desc.hashCode();
110 }
111 }
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