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 * https://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 * a private constructor
32 */
33 private DnUtils()
34 {
35 }
36
37
38 /**
39 * Gets the attributeType of a RDN (the left part of the RDN). The RDN is supposed
40 * to contain only one AVA.
41 *
42 * @param rdn the RDN
43 * @return the attributeType
44 */
45 public static String getRdnAttributeType( String rdn )
46 {
47 int index = rdn.indexOf( '=' );
48 return rdn.substring( 0, index );
49 }
50
51
52 /**
53 * Gets the value of a RDN ( the right part of the RDN). The RDN is supposed
54 * to contain only one AVA.
55 *
56 * @param rdn the RDN
57 * @return the value of tpart of the RDN
58 */
59 public static String getRdnValue( String rdn )
60 {
61 int index = rdn.indexOf( '=' );
62 return rdn.substring( index + 1, rdn.length() );
63 }
64 }