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.extended; 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.ExtendedOperationFactory; 028import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 029import org.apache.directory.api.ldap.model.message.ExtendedRequest; 030import org.apache.directory.api.ldap.model.message.OpaqueExtendedRequest; 031import org.apache.directory.api.util.Strings; 032import org.slf4j.Logger; 033import org.slf4j.LoggerFactory; 034 035 036/** 037 * The action used to store the Extended Request value 038 * <pre> 039 * ExtendedRequest ::= [APPLICATION 23] SEQUENCE { 040 * ... 041 * requestValue [1] OCTET STRING OPTIONAL } 042 * </pre> 043 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 044 */ 045public class StoreExtendedRequestValue extends GrammarAction<LdapMessageContainer<ExtendedRequest>> 046{ 047 /** The logger */ 048 private static final Logger LOG = LoggerFactory.getLogger( StoreExtendedRequestValue.class ); 049 050 /** 051 * Instantiates a new action. 052 */ 053 public StoreExtendedRequestValue() 054 { 055 super( "Store ExtendedRequest value" ); 056 } 057 058 059 /** 060 * {@inheritDoc} 061 */ 062 @Override 063 public void action( LdapMessageContainer<ExtendedRequest> container ) throws DecoderException 064 { 065 // We can allocate the ExtendedRequest Object 066 ExtendedRequest extendedRequest = container.getMessage(); 067 068 // Get the Value and store it in the ExtendedRequest 069 TLV tlv = container.getCurrentTLV(); 070 071 ExtendedOperationFactory factory = container.getLdapCodecService(). 072 getExtendedRequestFactories().get( extendedRequest.getRequestName() ); 073 074 // We have to handle the special case of a 0 length matched 075 // value 076 try 077 { 078 if ( factory == null ) 079 { 080 if ( tlv.getLength() == 0 ) 081 { 082 ( ( OpaqueExtendedRequest ) extendedRequest ).setRequestValue( Strings.EMPTY_BYTES ); 083 } 084 else 085 { 086 ( ( OpaqueExtendedRequest ) extendedRequest ).setRequestValue( tlv.getValue().getData() ); 087 } 088 } 089 else 090 { 091 factory.decodeValue( extendedRequest, tlv.getValue().getData() ); 092 } 093 } 094 catch ( DecoderException de ) 095 { 096 String msg = I18n.err( I18n.ERR_05158_INVALID_REQUEST_VALUE, 097 Strings.dumpBytes( tlv.getValue().getData() ) ); 098 LOG.error( I18n.err( I18n.ERR_05114_ERROR_MESSAGE, msg, de.getMessage() ) ); 099 100 // Rethrow the exception, we will get a PROTOCOL_ERROR 101 throw de; 102 } 103 104 // We can have an END transition 105 container.setGrammarEndAllowed( true ); 106 107 if ( LOG.isDebugEnabled() ) 108 { 109 LOG.debug( I18n.msg( I18n.MSG_05127_EXTENDED_VALUE, 110 Strings.dumpBytes( tlv.getValue().getData() ) ) ); 111 } 112 } 113}