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.request.del; 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.model.exception.LdapInvalidDnException; 030import org.apache.directory.api.ldap.model.message.DeleteRequest; 031import org.apache.directory.api.ldap.model.message.DeleteRequestImpl; 032import org.apache.directory.api.ldap.model.message.DeleteResponseImpl; 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 initialize the DelRequest. 042 * <pre> 043 * LdapMessage ::= ... DelRequest ... 044 * delRequest ::= [APPLICATION 10] LDAPDN 045 * 046 * We store the Dn to bve deleted into the DelRequest object 047 * </pre> 048 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 049 */ 050public class InitDelRequest extends GrammarAction<LdapMessageContainer<DeleteRequest>> 051{ 052 /** The logger */ 053 private static final Logger LOG = LoggerFactory.getLogger( InitDelRequest.class ); 054 055 /** 056 * Instantiates a new action. 057 */ 058 public InitDelRequest() 059 { 060 super( "Delete Request initialization" ); 061 } 062 063 064 /** 065 * {@inheritDoc} 066 */ 067 @Override 068 public void action( LdapMessageContainer<DeleteRequest> container ) throws DecoderException 069 { 070 // Create the DeleteRequest LdapMessage instance and store it in the container 071 DeleteRequest delRequest = new DeleteRequestImpl(); 072 delRequest.setMessageId( container.getMessageId() ); 073 container.setMessage( delRequest ); 074 075 // And store the Dn into it 076 // Get the Value and store it in the DelRequest 077 TLV tlv = container.getCurrentTLV(); 078 079 // We have to handle the special case of a 0 length matchedDN 080 if ( tlv.getLength() == 0 ) 081 { 082 // This will generate a PROTOCOL_ERROR 083 throw new DecoderException( I18n.err( I18n.ERR_05119_NULL_ENTRY ) ); 084 } 085 else 086 { 087 byte[] dnBytes = tlv.getValue().getData(); 088 String dnStr = Strings.utf8ToString( dnBytes ); 089 090 try 091 { 092 Dn entry = new Dn( dnStr ); 093 delRequest.setName( entry ); 094 } 095 catch ( LdapInvalidDnException ine ) 096 { 097 String msg = I18n.err( I18n.ERR_05120_INVALID_DELETE_DN, dnStr, 098 Strings.dumpBytes( dnBytes ), ine.getLocalizedMessage() ); 099 LOG.error( msg ); 100 101 DeleteResponseImpl response = new DeleteResponseImpl( delRequest.getMessageId() ); 102 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX, 103 Dn.EMPTY_DN, ine ); 104 } 105 } 106 107 if ( LOG.isDebugEnabled() ) 108 { 109 LOG.debug( I18n.msg( I18n.MSG_05124_DELETING_DN, delRequest.getName() ) ); 110 } 111 112 // We can have an END transition 113 container.setGrammarEndAllowed( true ); 114 } 115}