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.modifyRequest; 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.ldap.codec.api.LdapMessageContainer; 027import org.apache.directory.api.ldap.codec.api.ResponseCarryingException; 028import org.apache.directory.api.ldap.codec.decorators.ModifyRequestDecorator; 029import org.apache.directory.api.ldap.model.exception.LdapInvalidDnException; 030import org.apache.directory.api.ldap.model.message.ModifyRequest; 031import org.apache.directory.api.ldap.model.message.ModifyResponseImpl; 032import org.apache.directory.api.ldap.model.message.ResultCodeEnum; 033import org.apache.directory.api.ldap.model.name.Dn; 034import org.apache.directory.api.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 /** 058 * Instantiates a new action. 059 */ 060 public StoreModifyRequestObjectName() 061 { 062 super( "Store Modify request object Name" ); 063 } 064 065 066 /** 067 * {@inheritDoc} 068 */ 069 public void action( LdapMessageContainer<ModifyRequestDecorator> container ) throws DecoderException 070 { 071 ModifyRequestDecorator modifyRequestDecorator = container.getMessage(); 072 ModifyRequest modifyRequest = modifyRequestDecorator.getDecorated(); 073 074 TLV tlv = container.getCurrentTLV(); 075 076 Dn object = Dn.EMPTY_DN; 077 078 // Store the value. 079 if ( tlv.getLength() == 0 ) 080 { 081 ( modifyRequestDecorator.getDecorated() ).setName( object ); 082 } 083 else 084 { 085 byte[] dnBytes = tlv.getValue().getData(); 086 String dnStr = Strings.utf8ToString( dnBytes ); 087 088 try 089 { 090 object = new Dn( dnStr ); 091 } 092 catch ( LdapInvalidDnException ine ) 093 { 094 String msg = "Invalid Dn given : " + dnStr + " (" + Strings.dumpBytes( dnBytes ) 095 + ") is invalid"; 096 LOG.error( "{} : {}", msg, ine.getMessage() ); 097 098 ModifyResponseImpl response = new ModifyResponseImpl( modifyRequest.getMessageId() ); 099 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX, 100 Dn.EMPTY_DN, ine ); 101 } 102 103 modifyRequest.setName( object ); 104 } 105 106 if ( IS_DEBUG ) 107 { 108 LOG.debug( "Modification of Dn {}", modifyRequest.getName() ); 109 } 110 } 111}