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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *  
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *  
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License. 
18   *  
19   */
20  
21  package org.apache.directory.server.kerberos.shared.store;
22  
23  
24  import java.util.Map;
25  
26  import org.apache.directory.server.protocol.shared.catalog.Catalog;
27  
28  
29  /**
30   * A catalog for mapping Kerberos realms to search base DN's. 
31   * 
32   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
33   * @version $Rev: 540371 $, $Date: 2007-05-22 02:00:43 +0200 (Di, 22 Mai 2007) $
34   */
35  class KerberosCatalog implements Catalog
36  {
37      private Map map;
38  
39  
40      /**
41       * Creates a new instance of KerberosCatalog.
42       *
43       * @param map
44       */
45      public KerberosCatalog( Map map )
46      {
47          this.map = map;
48      }
49  
50  
51      public String getBaseDn( String name )
52      {
53          name = name.toLowerCase();
54  
55          if ( name.endsWith( "." ) )
56          {
57              int last = name.lastIndexOf( "." );
58              name = name.substring( 0, last );
59          }
60  
61          while ( !name.equals( "" ) && name != null )
62          {
63              String candidate = ( String ) map.get( name );
64              if ( candidate != null )
65              {
66                  return candidate;
67              }
68  
69              int period = name.indexOf( "." );
70  
71              if ( period > -1 )
72              {
73                  name = name.substring( period + 1 );
74              }
75              else
76              {
77                  return "";
78              }
79          }
80  
81          return "";
82      }
83  }