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.response.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.ExtendedResponse; 030import org.apache.directory.api.ldap.model.message.OpaqueExtendedResponse; 031import org.apache.directory.api.util.Strings; 032import org.slf4j.Logger; 033import org.slf4j.LoggerFactory; 034 035 036/** 037 * The action used to store a Response to an ExtendedResponse 038 * <pre> 039 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE { 040 * ... 041 * response [11] OCTET STRING OPTIONAL} 042 * </pre> 043 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 044 */ 045public class StoreExtendedResponseValue extends GrammarAction<LdapMessageContainer<ExtendedResponse>> 046{ 047 /** The logger */ 048 private static final Logger LOG = LoggerFactory.getLogger( StoreExtendedResponseValue.class ); 049 050 /** 051 * Instantiates a new response action. 052 */ 053 public StoreExtendedResponseValue() 054 { 055 super( "Store response value" ); 056 } 057 058 059 /** 060 * {@inheritDoc} 061 */ 062 public void action( LdapMessageContainer<ExtendedResponse> container ) throws DecoderException 063 { 064 // We can allocate the ExtendedResponse Object 065 ExtendedResponse extendedResponse = container.getMessage(); 066 067 // Get the Value and store it in the ExtendedResponse 068 TLV tlv = container.getCurrentTLV(); 069 070 ExtendedOperationFactory factory = container.getExtendedFactory(); 071 072 // We have to handle the special case of a 0 length matched value 073 try 074 { 075 if ( factory == null ) 076 { 077 if ( tlv.getLength() == 0 ) 078 { 079 ( ( OpaqueExtendedResponse ) extendedResponse ).setResponseValue( Strings.EMPTY_BYTES ); 080 } 081 else 082 { 083 ( ( OpaqueExtendedResponse ) extendedResponse ).setResponseValue( tlv.getValue().getData() ); 084 } 085 } 086 else 087 { 088 factory.decodeValue( extendedResponse, tlv.getValue().getData() ); 089 } 090 } 091 catch ( DecoderException de ) 092 { 093 String msg = I18n.err( I18n.ERR_05158_INVALID_REQUEST_VALUE, 094 Strings.dumpBytes( tlv.getValue().getData() ) ); 095 LOG.error( I18n.err( I18n.ERR_05114_ERROR_MESSAGE, msg, de.getMessage() ) ); 096 097 // Rethrow the exception, we will get a PROTOCOL_ERROR 098 throw de; 099 } 100 101 // We can have an END transition 102 container.setGrammarEndAllowed( true ); 103 104 if ( LOG.isDebugEnabled() ) 105 { 106 LOG.debug( I18n.msg( I18n.MSG_05173_EXTENDED_VALUE, Strings.dumpBytes( tlv.getValue().getData() ) ) ); 107 } 108 } 109}