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.util.Strings; 036import org.slf4j.Logger; 037import org.slf4j.LoggerFactory; 038 039 040/** 041 * The action used to store the ModifyDnRequest new Superior 042 * <pre> 043 * ModifyDNRequest ::= [APPLICATION 12] SEQUENCE { ... 044 * ... 045 * newSuperior [0] LDAPDN OPTIONAL } 046 * </pre> 047 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 048 */ 049public class StoreModifyDnRequestNewSuperior extends GrammarAction<LdapMessageContainer<ModifyDnRequestDecorator>> 050{ 051 /** The logger */ 052 private static final Logger LOG = LoggerFactory.getLogger( StoreModifyDnRequestNewSuperior.class ); 053 054 /** Speedup for logs */ 055 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 056 057 /** 058 * Instantiates a new action. 059 */ 060 public StoreModifyDnRequestNewSuperior() 061 { 062 super( "Store new superior" ); 063 } 064 065 066 /** 067 * {@inheritDoc} 068 */ 069 public void action( LdapMessageContainer<ModifyDnRequestDecorator> container ) throws DecoderException 070 { 071 ModifyDnRequest modifyDnRequest = container.getMessage(); 072 073 // Get the Value and store it in the modifyDNRequest 074 TLV tlv = container.getCurrentTLV(); 075 076 // We have to handle the special case of a 0 length matched 077 // Dn 078 Dn newSuperior = Dn.EMPTY_DN; 079 080 if ( tlv.getLength() == 0 ) 081 { 082 083 if ( modifyDnRequest.getDeleteOldRdn() ) 084 { 085 // This will generate a PROTOCOL_ERROR 086 throw new DecoderException( I18n.err( I18n.ERR_04092 ) ); 087 } 088 else 089 { 090 LOG.warn( "The new superior is null, so we will change the entry" ); 091 } 092 093 modifyDnRequest.setNewSuperior( newSuperior ); 094 } 095 else 096 { 097 byte[] dnBytes = tlv.getValue().getData(); 098 String dnStr = Strings.utf8ToString(dnBytes); 099 100 try 101 { 102 newSuperior = new Dn( dnStr ); 103 } 104 catch ( LdapInvalidDnException ine ) 105 { 106 String msg = "Invalid new superior Dn given : " + dnStr + " (" 107 + Strings.dumpBytes(dnBytes) + ") is invalid"; 108 LOG.error( "{} : {}", msg, ine.getMessage() ); 109 110 ModifyDnResponseImpl response = new ModifyDnResponseImpl( modifyDnRequest.getMessageId() ); 111 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX, 112 modifyDnRequest.getName(), ine ); 113 } 114 115 modifyDnRequest.setNewSuperior( newSuperior ); 116 } 117 118 // We can have an END transition 119 container.setGrammarEndAllowed( true ); 120 121 if ( IS_DEBUG ) 122 { 123 LOG.debug( "New superior Dn {}", newSuperior ); 124 } 125 } 126}