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.modifyRequest; 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.ldap.codec.api.LdapMessageContainer; 027import org.apache.directory.shared.ldap.codec.api.ResponseCarryingException; 028import org.apache.directory.shared.ldap.codec.decorators.ModifyRequestDecorator; 029import org.apache.directory.shared.ldap.model.exception.LdapInvalidDnException; 030import org.apache.directory.shared.ldap.model.message.ModifyRequest; 031import org.apache.directory.shared.ldap.model.message.ModifyResponseImpl; 032import org.apache.directory.shared.ldap.model.message.ResultCodeEnum; 033import org.apache.directory.shared.ldap.model.name.Dn; 034import org.apache.directory.shared.util.Strings; 035import org.slf4j.Logger; 036import org.slf4j.LoggerFactory; 037 038 039/** 040 * The action used to store the ModificationRequest object name 041 * <pre> 042 * ModifyRequest ::= [APPLICATION 6] SEQUENCE { 043 * object LDAPDN, 044 * ... 045 * </pre> 046 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 047 */ 048public class StoreModifyRequestObjectName extends GrammarAction<LdapMessageContainer<ModifyRequestDecorator>> 049{ 050 /** The logger */ 051 private static final Logger LOG = LoggerFactory.getLogger( StoreModifyRequestObjectName.class ); 052 053 /** Speedup for logs */ 054 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 055 056 /** 057 * Instantiates a new action. 058 */ 059 public StoreModifyRequestObjectName() 060 { 061 super( "Store Modify request object Name" ); 062 } 063 064 065 /** 066 * {@inheritDoc} 067 */ 068 public void action( LdapMessageContainer<ModifyRequestDecorator> container ) throws DecoderException 069 { 070 ModifyRequestDecorator modifyRequestDecorator = container.getMessage(); 071 ModifyRequest modifyRequest = modifyRequestDecorator.getDecorated(); 072 073 TLV tlv = container.getCurrentTLV(); 074 075 Dn object = Dn.EMPTY_DN; 076 077 // Store the value. 078 if ( tlv.getLength() == 0 ) 079 { 080 (modifyRequestDecorator.getDecorated()).setName( object ); 081 } 082 else 083 { 084 byte[] dnBytes = tlv.getValue().getData(); 085 String dnStr = Strings.utf8ToString(dnBytes); 086 087 try 088 { 089 object = new Dn( dnStr ); 090 } 091 catch ( LdapInvalidDnException ine ) 092 { 093 String msg = "Invalid Dn given : " + dnStr + " (" + Strings.dumpBytes(dnBytes) 094 + ") is invalid"; 095 LOG.error( "{} : {}", msg, ine.getMessage() ); 096 097 ModifyResponseImpl response = new ModifyResponseImpl( modifyRequest.getMessageId() ); 098 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX, 099 Dn.EMPTY_DN, ine ); 100 } 101 102 modifyRequest.setName( object ); 103 } 104 105 if ( IS_DEBUG ) 106 { 107 LOG.debug( "Modification of Dn {}", modifyRequest.getName() ); 108 } 109 } 110}