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.delRequest; 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.DeleteRequestDecorator; 030import org.apache.directory.api.ldap.model.exception.LdapInvalidDnException; 031import org.apache.directory.api.ldap.model.message.DeleteRequest; 032import org.apache.directory.api.ldap.model.message.DeleteRequestImpl; 033import org.apache.directory.api.ldap.model.message.DeleteResponseImpl; 034import org.apache.directory.api.ldap.model.message.ResultCodeEnum; 035import org.apache.directory.api.ldap.model.name.Dn; 036import org.apache.directory.api.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 /** 061 * Instantiates a new action. 062 */ 063 public InitDelRequest() 064 { 065 super( "Delete Request initialization" ); 066 } 067 068 069 /** 070 * {@inheritDoc} 071 */ 072 public void action( LdapMessageContainer<DeleteRequestDecorator> container ) throws DecoderException 073 { 074 // Create the DeleteRequest LdapMessage instance and store it in the container 075 DeleteRequest internaldelRequest = new DeleteRequestImpl(); 076 internaldelRequest.setMessageId( container.getMessageId() ); 077 DeleteRequestDecorator delRequest = new DeleteRequestDecorator( 078 container.getLdapCodecService(), internaldelRequest ); 079 container.setMessage( delRequest ); 080 081 // And store the Dn into it 082 // Get the Value and store it in the DelRequest 083 TLV tlv = container.getCurrentTLV(); 084 085 // We have to handle the special case of a 0 length matched 086 // Dn 087 Dn entry; 088 089 if ( tlv.getLength() == 0 ) 090 { 091 // This will generate a PROTOCOL_ERROR 092 throw new DecoderException( I18n.err( I18n.ERR_04073 ) ); 093 } 094 else 095 { 096 byte[] dnBytes = tlv.getValue().getData(); 097 String dnStr = Strings.utf8ToString( dnBytes ); 098 099 try 100 { 101 entry = new Dn( dnStr ); 102 } 103 catch ( LdapInvalidDnException ine ) 104 { 105 String msg = I18n.err( I18n.ERR_04074, dnStr, Strings.dumpBytes( dnBytes ), ine 106 .getLocalizedMessage() ); 107 LOG.error( msg ); 108 109 DeleteResponseImpl response = new DeleteResponseImpl( delRequest.getMessageId() ); 110 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX, 111 Dn.EMPTY_DN, ine ); 112 } 113 114 delRequest.setName( entry ); 115 } 116 117 // We can have an END transition 118 container.setGrammarEndAllowed( true ); 119 120 if ( IS_DEBUG ) 121 { 122 LOG.debug( "Deleting Dn {}", entry ); 123 } 124 } 125}