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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  package org.apache.directory.api.ldap.model.name;
21  
22  
23  /**
24   * Utility class used to manipulate Dn or Rdn elements.
25   * 
26   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
27   */
28  public final class DnUtils
29  {
30      /**
31       * Gets the attributeType of a RDN (the left part of the RDN). The RDN is supposed
32       * to contain only one AVA.
33       *
34       * @param rdn the RDN
35       * @return the attributeType 
36       */
37      public static String getRdnAttributeType( String rdn )
38      {
39          int index = rdn.indexOf( '=' );
40          return rdn.substring( 0, index );
41      }
42  
43  
44      /**
45       * Gets the value of a RDN ( the right part of the RDN). The RDN is supposed
46       * to contain only one AVA.
47       *
48       * @param rdn the RDN
49       * @return the value of tpart of the RDN
50       */
51      public static String getRdnValue( String rdn )
52      {
53          int index = rdn.indexOf( '=' );
54          return rdn.substring( index + 1, rdn.length() );
55      }
56  }