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.dns.store.jndi;
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 DNS zones to search base DN's.
31 *
32 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
33 * @version $Rev: 552764 $, $Date: 2007-07-03 11:38:20 +0200 (Di, 03 Jul 2007) $
34 */
35 class DnsCatalog implements Catalog
36 {
37 private Map<String, Object> map;
38
39
40 /**
41 * Creates a new instance of DnsCatalog.
42 *
43 * @param map
44 */
45 public DnsCatalog( Map<String, Object> map )
46 {
47 this.map = map;
48 }
49
50
51 public String getBaseDn( String name )
52 {
53 if ( name.endsWith( "." ) )
54 {
55 int last = name.lastIndexOf( "." );
56 name = name.substring( 0, last );
57 }
58
59 while ( !name.equals( "" ) && name != null )
60 {
61 String candidate = ( String ) map.get( name );
62 if ( candidate != null )
63 {
64 return candidate;
65 }
66
67 int period = name.indexOf( "." );
68
69 if ( period > -1 )
70 {
71 name = name.substring( period + 1 );
72 }
73 else
74 {
75 return "";
76 }
77 }
78
79 return "";
80 }
81 }