001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.directory.api.ldap.model.name; 021 022 023/** 024 * Utility class used to manipulate Dn or Rdn elements. 025 * 026 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 027 */ 028public final class DnUtils 029{ 030 private DnUtils() 031 { 032 } 033 034 035 /** 036 * Gets the attributeType of a RDN (the left part of the RDN). The RDN is supposed 037 * to contain only one AVA. 038 * 039 * @param rdn the RDN 040 * @return the attributeType 041 */ 042 public static String getRdnAttributeType( String rdn ) 043 { 044 int index = rdn.indexOf( '=' ); 045 return rdn.substring( 0, index ); 046 } 047 048 049 /** 050 * Gets the value of a RDN ( the right part of the RDN). The RDN is supposed 051 * to contain only one AVA. 052 * 053 * @param rdn the RDN 054 * @return the value of tpart of the RDN 055 */ 056 public static String getRdnValue( String rdn ) 057 { 058 int index = rdn.indexOf( '=' ); 059 return rdn.substring( index + 1, rdn.length() ); 060 } 061}