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.codec.actions.modifyDnRequest; 021 022 023import org.apache.directory.api.asn1.DecoderException; 024import org.apache.directory.api.asn1.ber.grammar.GrammarAction; 025import org.apache.directory.api.asn1.ber.tlv.TLV; 026import org.apache.directory.api.i18n.I18n; 027import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 028import org.apache.directory.api.ldap.codec.api.ResponseCarryingException; 029import org.apache.directory.api.ldap.codec.decorators.ModifyDnRequestDecorator; 030import org.apache.directory.api.ldap.model.exception.LdapInvalidDnException; 031import org.apache.directory.api.ldap.model.message.ModifyDnRequest; 032import org.apache.directory.api.ldap.model.message.ModifyDnResponseImpl; 033import org.apache.directory.api.ldap.model.message.ResultCodeEnum; 034import org.apache.directory.api.ldap.model.name.Dn; 035import org.apache.directory.api.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 /** 059 * Instantiates a new action. 060 */ 061 public StoreModifyDnRequestNewSuperior() 062 { 063 super( "Store new superior" ); 064 } 065 066 067 /** 068 * {@inheritDoc} 069 */ 070 public void action( LdapMessageContainer<ModifyDnRequestDecorator> container ) throws DecoderException 071 { 072 ModifyDnRequest modifyDnRequest = container.getMessage(); 073 074 // Get the Value and store it in the modifyDNRequest 075 TLV tlv = container.getCurrentTLV(); 076 077 // We have to handle the special case of a 0 length matched 078 // Dn 079 Dn newSuperior = Dn.EMPTY_DN; 080 081 if ( tlv.getLength() == 0 ) 082 { 083 084 if ( modifyDnRequest.getDeleteOldRdn() ) 085 { 086 // This will generate a PROTOCOL_ERROR 087 throw new DecoderException( I18n.err( I18n.ERR_04092 ) ); 088 } 089 else 090 { 091 LOG.warn( "The new superior is null, so we will change the entry" ); 092 } 093 094 modifyDnRequest.setNewSuperior( newSuperior ); 095 } 096 else 097 { 098 byte[] dnBytes = tlv.getValue().getData(); 099 String dnStr = Strings.utf8ToString( dnBytes ); 100 101 try 102 { 103 newSuperior = new Dn( dnStr ); 104 } 105 catch ( LdapInvalidDnException ine ) 106 { 107 String msg = "Invalid new superior Dn given : " + dnStr + " (" 108 + Strings.dumpBytes( dnBytes ) + ") is invalid"; 109 LOG.error( "{} : {}", msg, ine.getMessage() ); 110 111 ModifyDnResponseImpl response = new ModifyDnResponseImpl( modifyDnRequest.getMessageId() ); 112 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX, 113 modifyDnRequest.getName(), ine ); 114 } 115 116 modifyDnRequest.setNewSuperior( newSuperior ); 117 } 118 119 // We can have an END transition 120 container.setGrammarEndAllowed( true ); 121 122 if ( IS_DEBUG ) 123 { 124 LOG.debug( "New superior Dn {}", newSuperior ); 125 } 126 } 127}