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1   ////////////////////////////////////////////////////////////////////////////////
2   // MillScript-XML: an Open Spice interpreter and batch website creation tool
3   // Copyright (C) 2005 Kevin Rogers
4   //
5   // This file is part of MillScript-XML.
6   //
7   // MillScript-XML is free software; you can redistribute it and/or modify it under
8   // the terms of the GNU General Public License as published by the Free
9   // Software Foundation; either version 2 of the License, or (at your option)
10  // any later version.
11  //
12  // MillScript-XML is distributed in the hope that it will be useful, but WITHOUT
13  // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15  // more details.
16  //
17  // You should have received a copy of the GNU General Public License along with
18  // MillScript-XML; if not, write to the Free Software Foundation, Inc., 59 Temple
19  // Place, Suite 330, Boston, MA  02111-1307  USA
20  ////////////////////////////////////////////////////////////////////////////////
21  package org.millscript.commons.xml.tokenizer;
22  
23  import java.io.Serializable;
24  
25  import org.millscript.commons.alert.AlertDecorator;
26  import org.millscript.commons.util.IMap;
27  import org.millscript.commons.xml.api.Name;
28  
29  /**
30   * This class provides a <code>Name</code> implementation for prefixed, or
31   * namespace aware, names.
32   */
33  public abstract class AbstractName implements AlertDecorator, Comparable, Name, Serializable {
34  
35      /**
36       * @see java.lang.Comparable#compareTo(java.lang.Object)
37       */
38      public int compareTo( final Object o ) {
39          // Compare the namespaces first
40          final int nscomp = this.getNamespace().compareTo( ((AbstractName) o).getNamespace() );
41          // If the namespaces are the same, then compare the local names otherwise
42          // order by the namespaces
43          return nscomp == 0 ? this.getLocalName().compareTo( ((AbstractName) o).getLocalName() )
44                             : nscomp;
45      }
46  
47      /**
48       * @see java.lang.Object#equals(java.lang.Object)
49       */
50      @Override
51      public boolean equals( final Object obj ) {
52          if ( this == obj ) {
53              return true;
54          } else if ( obj instanceof Name ) {
55              // Equality is based on the namespace and localName because in a
56              // qualified XML Namespace name the prefix is ignored. The prefix
57              // is only a shorthand for the full namespace.
58              return this.getNamespace().equals(
59                  ((Name) obj).getNamespace()
60              ) && this.getLocalName().equals(
61                  ((Name) obj).getLocalName()
62              );
63          } else {
64              return false;
65          }
66      }
67  
68      /**
69       * @see java.lang.Object#hashCode()
70       */
71      @Override
72      public int hashCode() {
73          // The hashCode is constructed from the namespace and localName because
74          // in a qualified XML Namespace name the prefix is ignored. The prefix
75          // is only a shorthand for the full namespace.
76          return 37 * ( 1369 + this.getNamespace().hashCode() ) + this.getLocalName().hashCode();
77      }
78  
79      public abstract AbstractName setNamespace( IMap< String, String > scope );
80  
81  }