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Java > Open Source Codes > org > apache > commons > jxpath > ri > QName


1 /*
2  * Copyright 1999-2004 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  */
16 package org.apache.commons.jxpath.ri;
17
18
19 /**
20  * A qualified name: a combination of an optional namespace prefix
21  * and an local name.
22  *
23  * @author Dmitri Plotnikov
24  * @version $Revision: 1.10 $ $Date: 2004/02/29 14:17:45 $
25  */
26 public class QName {
27     private String JavaDoc prefix;
28     private String JavaDoc name;
29
30     public QName(String JavaDoc qualifiedName) {
31         int index = qualifiedName.indexOf(':');
32         if (index == -1) {
33             prefix = null;
34             name = qualifiedName;
35         }
36         else {
37             prefix = qualifiedName.substring(0, index);
38             name = qualifiedName.substring(index + 1);
39         }
40     }
41
42     public QName(String JavaDoc prefix, String JavaDoc localName) {
43         this.prefix = prefix;
44         this.name = localName;
45     }
46
47     public String JavaDoc getPrefix() {
48         return prefix;
49     }
50
51     public String JavaDoc getName() {
52         return name;
53     }
54
55     public String JavaDoc toString() {
56         if (prefix != null) {
57             return prefix + ':' + name;
58         }
59         return name;
60     }
61
62     public int hashCode() {
63         return name.hashCode();
64     }
65
66     public boolean equals(Object JavaDoc object) {
67         if (!(object instanceof QName)) {
68             return false;
69         }
70         if (this == object) {
71             return true;
72         }
73         QName that = (QName) object;
74         if (!this.name.equals(that.name)) {
75             return false;
76         }
77
78         if ((this.prefix == null && that.prefix != null)
79             || (this.prefix != null && !this.prefix.equals(that.prefix))) {
80             return false;
81         }
82
83         return true;
84     }
85 }
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