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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.jxpath.ri;
18  
19  import java.io.Serializable;
20  
21  
22  /**
23   * A qualified name: a combination of an optional namespace prefix
24   * and an local name.
25   *
26   * @author Dmitri Plotnikov
27   * @version $Revision: 652925 $ $Date: 2008-05-02 18:05:41 -0400 (Fri, 02 May 2008) $
28   */
29  public class QName implements Serializable {
30      private static final long serialVersionUID = 7616199282015091496L;
31  
32      private String prefix;
33      private String name;
34      private String qualifiedName;
35  
36      /**
37       * Create a new QName.
38       * @param qualifiedName value
39       */
40      public QName(String qualifiedName) {
41          this.qualifiedName = qualifiedName;
42          int index = qualifiedName.indexOf(':');
43          prefix = index < 0 ? null : qualifiedName.substring(0, index);
44          name = index < 0 ? qualifiedName : qualifiedName.substring(index + 1);
45      }
46  
47      /**
48       * Create a new QName.
49       * @param prefix ns
50       * @param localName String
51       */
52      public QName(String prefix, String localName) {
53          this.prefix = prefix;
54          this.name = localName;
55          this.qualifiedName = prefix == null ? localName : prefix + ':' + localName;
56      }
57  
58      /**
59       * Get the prefix of this QName.
60       * @return String
61       */
62      public String getPrefix() {
63          return prefix;
64      }
65  
66      /**
67       * Get the local name.
68       * @return String
69       */
70      public String getName() {
71          return name;
72      }
73  
74      public String toString() {
75          return qualifiedName;
76      }
77  
78      public int hashCode() {
79          return name.hashCode();
80      }
81  
82      public boolean equals(Object object) {
83          if (this == object) {
84              return true;
85          }
86          if (!(object instanceof QName)) {
87              return false;
88          }
89          return qualifiedName.equals(((QName) object).qualifiedName);
90      }
91  }