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 * https://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 /** 031 * a private constructor 032 */ 033 private DnUtils() 034 { 035 } 036 037 038 /** 039 * Gets the attributeType of a RDN (the left part of the RDN). The RDN is supposed 040 * to contain only one AVA. 041 * 042 * @param rdn the RDN 043 * @return the attributeType 044 */ 045 public static String getRdnAttributeType( String rdn ) 046 { 047 int index = rdn.indexOf( '=' ); 048 return rdn.substring( 0, index ); 049 } 050 051 052 /** 053 * Gets the value of a RDN ( the right part of the RDN). The RDN is supposed 054 * to contain only one AVA. 055 * 056 * @param rdn the RDN 057 * @return the value of tpart of the RDN 058 */ 059 public static String getRdnValue( String rdn ) 060 { 061 int index = rdn.indexOf( '=' ); 062 return rdn.substring( index + 1, rdn.length() ); 063 } 064}