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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 prefix;
28      private String name;
29  
30      public QName(String 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 prefix, String localName) {
43          this.prefix = prefix;
44          this.name = localName;
45      }
46  
47      public String getPrefix() {
48          return prefix;
49      }
50  
51      public String getName() {
52          return name;
53      }
54  
55      public String 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 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  }