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.shared.ldap.codec.actions.modifyDnRequest; 021 022 023import org.apache.directory.shared.asn1.DecoderException; 024import org.apache.directory.shared.asn1.ber.grammar.GrammarAction; 025import org.apache.directory.shared.asn1.ber.tlv.TLV; 026import org.apache.directory.shared.i18n.I18n; 027import org.apache.directory.shared.ldap.codec.api.LdapMessageContainer; 028import org.apache.directory.shared.ldap.codec.api.ResponseCarryingException; 029import org.apache.directory.shared.ldap.codec.decorators.ModifyDnRequestDecorator; 030import org.apache.directory.shared.ldap.model.exception.LdapInvalidDnException; 031import org.apache.directory.shared.ldap.model.message.ModifyDnRequest; 032import org.apache.directory.shared.ldap.model.message.ModifyDnResponseImpl; 033import org.apache.directory.shared.ldap.model.message.ResultCodeEnum; 034import org.apache.directory.shared.ldap.model.name.Dn; 035import org.apache.directory.shared.ldap.model.name.Rdn; 036import org.apache.directory.shared.util.Strings; 037import org.slf4j.Logger; 038import org.slf4j.LoggerFactory; 039 040 041/** 042 * The action used to store the ModifyDnRequest new RDN 043 * <pre> 044 * ModifyDNRequest ::= [APPLICATION 12] SEQUENCE { ... 045 * ... 046 * newrdn RelativeRDN, 047 * ... 048 * 049 * RelativeRDN :: LDAPString 050 * </pre> 051 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 052 */ 053public class StoreModifyDnRequestNewRdn extends GrammarAction<LdapMessageContainer<ModifyDnRequestDecorator>> 054{ 055 /** The logger */ 056 private static final Logger LOG = LoggerFactory.getLogger( StoreModifyDnRequestNewRdn.class ); 057 058 /** Speedup for logs */ 059 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 060 061 /** 062 * Instantiates a new action. 063 */ 064 public StoreModifyDnRequestNewRdn() 065 { 066 super( "Store ModifyDN request new RDN" ); 067 } 068 069 070 /** 071 * {@inheritDoc} 072 */ 073 public void action( LdapMessageContainer<ModifyDnRequestDecorator> container ) throws DecoderException 074 { 075 ModifyDnRequest modifyDnRequest = container.getMessage(); 076 077 // Get the Value and store it in the modifyDNRequest 078 TLV tlv = container.getCurrentTLV(); 079 080 // We have to handle the special case of a 0 length matched 081 // newDN 082 Rdn newRdn = null; 083 084 if ( tlv.getLength() == 0 ) 085 { 086 String msg = I18n.err( I18n.ERR_04090 ); 087 LOG.error( msg ); 088 089 ModifyDnResponseImpl response = new ModifyDnResponseImpl( modifyDnRequest.getMessageId() ); 090 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX, 091 modifyDnRequest.getName(), null ); 092 } 093 else 094 { 095 byte[] dnBytes = tlv.getValue().getData(); 096 String dnStr = Strings.utf8ToString(dnBytes); 097 098 try 099 { 100 Dn dn = new Dn( dnStr ); 101 newRdn = dn.getRdn( dn.size() - 1 ); 102 } 103 catch ( LdapInvalidDnException ine ) 104 { 105 String msg = "Invalid new Rdn given : " + dnStr + " (" + Strings.dumpBytes(dnBytes) 106 + ") is invalid"; 107 LOG.error( "{} : {}", msg, ine.getMessage() ); 108 109 ModifyDnResponseImpl response = new ModifyDnResponseImpl( modifyDnRequest.getMessageId() ); 110 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX, 111 modifyDnRequest.getName(), ine ); 112 } 113 114 modifyDnRequest.setNewRdn( newRdn ); 115 } 116 117 if ( IS_DEBUG ) 118 { 119 LOG.debug( "Modifying with new Rdn {}", newRdn ); 120 } 121 } 122}