Signature.java revision 674060f01e9090cd21b3c5656cc3204912ad17a6
1/*
2 * Copyright 2003 The Apache Software Foundation
3 *
4 *  Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 *  Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package org.mockito.cglib.core;
17
18import org.mockito.asm.Type;
19
20/**
21 * A representation of a method signature, containing the method name,
22 * return type, and parameter types.
23 */
24public class Signature {
25    private String name;
26    private String desc;
27
28    public Signature(String name, String desc) {
29        // TODO: better error checking
30        if (name.indexOf('(') >= 0) {
31            throw new IllegalArgumentException("Name '" + name + "' is invalid");
32        }
33        this.name = name;
34        this.desc = desc;
35    }
36
37    public Signature(String name, Type returnType, Type[] argumentTypes) {
38        this(name, Type.getMethodDescriptor(returnType, argumentTypes));
39    }
40
41    public String getName() {
42        return name;
43    }
44
45    public String getDescriptor() {
46        return desc;
47    }
48
49    public Type getReturnType() {
50        return Type.getReturnType(desc);
51    }
52
53    public Type[] getArgumentTypes() {
54        return Type.getArgumentTypes(desc);
55    }
56
57    public String toString() {
58        return name + desc;
59    }
60
61    public boolean equals(Object o) {
62        if (o == null)
63            return false;
64        if (!(o instanceof Signature))
65            return false;
66        Signature other = (Signature)o;
67        return name.equals(other.name) && desc.equals(other.desc);
68    }
69
70    public int hashCode() {
71        return name.hashCode() ^ desc.hashCode();
72    }
73}
74