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1   /*
2    * reserved comment block
3    * DO NOT REMOVE OR ALTER!
4    */
5   /*
6    * Copyright 2001-2004 The Apache Software Foundation.
7    *
8    * Licensed under the Apache License, Version 2.0 (the "License");
9    * you may not use this file except in compliance with the License.
10   * You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  /*
21   * $Id: QName.java,v 1.2.4.1 2005/09/02 11:45:56 pvedula Exp $
22   */
23  
24  package com.sun.org.apache.xalan.internal.xsltc.compiler;
25  
26  /**
27   * @author Jacek Ambroziak
28   * @author Santiago Pericas-Geertsen
29   * @author Morten Jorgensen
30   */
31  final class QName {
32      private final String _localname;
33      private String _prefix;
34      private String _namespace;
35      private String _stringRep;
36      private int    _hashCode;
37  
38      public QName(String namespace, String prefix, String localname) {
39          _namespace = namespace;
40          _prefix    = prefix;
41          _localname = localname;
42  
43          _stringRep =
44              (namespace != null && !namespace.equals(Constants.EMPTYSTRING)) ?
45              (namespace + ':' + localname) : localname;
46  
47          _hashCode  = _stringRep.hashCode() + 19; // cached for speed
48      }
49  
50      public void clearNamespace() {
51          _namespace = Constants.EMPTYSTRING;
52      }
53  
54      public String toString() {
55          return _stringRep;
56      }
57  
58      public String getStringRep() {
59          return _stringRep;
60      }
61  
62      public boolean equals(Object other) {
63          return (this == other)
64                     || (other instanceof QName
65                             && _stringRep.equals(((QName) other).getStringRep()));
66      }
67  
68      public String getLocalPart() {
69          return _localname;
70      }
71  
72      public String getNamespace() {
73          return _namespace;
74      }
75  
76      public String getPrefix() {
77          return _prefix;
78      }
79  
80      public int hashCode() {
81          return _hashCode;
82      }
83  
84      public String dump() {
85          return "QName: " + _namespace + "(" + _prefix + "):" + _localname;
86      }
87  }