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.delRequest; 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.DeleteRequestDecorator; 030import org.apache.directory.shared.ldap.model.exception.LdapInvalidDnException; 031import org.apache.directory.shared.ldap.model.message.DeleteRequest; 032import org.apache.directory.shared.ldap.model.message.DeleteRequestImpl; 033import org.apache.directory.shared.ldap.model.message.DeleteResponseImpl; 034import org.apache.directory.shared.ldap.model.message.ResultCodeEnum; 035import org.apache.directory.shared.ldap.model.name.Dn; 036import org.apache.directory.shared.util.Strings; 037import org.slf4j.Logger; 038import org.slf4j.LoggerFactory; 039 040 041/** 042 * The action used to initialize the DelRequest. 043 * <pre> 044 * LdapMessage ::= ... DelRequest ... 045 * delRequest ::= [APPLICATION 10] LDAPDN 046 * 047 * We store the Dn to bve deleted into the DelRequest object 048 * </pre> 049 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 050 */ 051public class InitDelRequest extends GrammarAction<LdapMessageContainer<DeleteRequestDecorator>> 052{ 053 /** The logger */ 054 private static final Logger LOG = LoggerFactory.getLogger( InitDelRequest.class ); 055 056 /** Speedup for logs */ 057 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 058 059 /** 060 * Instantiates a new action. 061 */ 062 public InitDelRequest() 063 { 064 super( "Delete Request initialization" ); 065 } 066 067 068 /** 069 * {@inheritDoc} 070 */ 071 public void action( LdapMessageContainer<DeleteRequestDecorator> container ) throws DecoderException 072 { 073 // Create the DeleteRequest LdapMessage instance and store it in the container 074 DeleteRequest internaldelRequest = new DeleteRequestImpl(); 075 internaldelRequest.setMessageId( container.getMessageId() ); 076 DeleteRequestDecorator delRequest = new DeleteRequestDecorator( 077 container.getLdapCodecService(), internaldelRequest ); 078 container.setMessage( delRequest ); 079 080 // And store the Dn into it 081 // Get the Value and store it in the DelRequest 082 TLV tlv = container.getCurrentTLV(); 083 084 // We have to handle the special case of a 0 length matched 085 // Dn 086 Dn entry = null; 087 088 if ( tlv.getLength() == 0 ) 089 { 090 // This will generate a PROTOCOL_ERROR 091 throw new DecoderException( I18n.err( I18n.ERR_04073 ) ); 092 } 093 else 094 { 095 byte[] dnBytes = tlv.getValue().getData(); 096 String dnStr = Strings.utf8ToString(dnBytes); 097 098 try 099 { 100 entry = new Dn( dnStr ); 101 } 102 catch ( LdapInvalidDnException ine ) 103 { 104 String msg = I18n.err( I18n.ERR_04074, dnStr, Strings.dumpBytes(dnBytes), ine 105 .getLocalizedMessage() ); 106 LOG.error( msg ); 107 108 DeleteResponseImpl response = new DeleteResponseImpl( delRequest.getMessageId() ); 109 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX, 110 Dn.EMPTY_DN, ine ); 111 } 112 113 delRequest.setName( entry ); 114 } 115 116 // We can have an END transition 117 container.setGrammarEndAllowed( true ); 118 119 if ( IS_DEBUG ) 120 { 121 LOG.debug( "Deleting Dn {}", entry ); 122 } 123 } 124}