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Java > Open Source Codes > org > logicalcobwebs > cglib > core > Signature


1 /*
2  * The Apache Software License, Version 1.1
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12  * notice, this list of conditions and the following disclaimer.
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15  * notice, this list of conditions and the following disclaimer in
16  * the documentation and/or other materials provided with the
17  * distribution.
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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.
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54 package org.logicalcobwebs.cglib.core;
55
56 import org.logicalcobwebs.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 JavaDoc name;
64     private String JavaDoc desc;
65
66     public Signature(String JavaDoc name, String JavaDoc desc) {
67         // TODO: better error checking
68
if (name.indexOf('(') >= 0) {
69             throw new IllegalArgumentException JavaDoc("Name '" + name + "' is invalid");
70         }
71         this.name = name;
72         this.desc = desc;
73     }
74
75     public Signature(String JavaDoc name, Type returnType, Type[] argumentTypes) {
76         this(name, Type.getMethodDescriptor(returnType, argumentTypes));
77     }
78
79     public String JavaDoc getName() {
80         return name;
81     }
82
83     public String JavaDoc 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 JavaDoc toString() {
96         return name + desc;
97     }
98
99     public boolean equals(Object JavaDoc 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 }
112
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