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.modifyRequest; 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.IntegerDecoder; 026import org.apache.directory.api.asn1.ber.tlv.IntegerDecoderException; 027import org.apache.directory.api.asn1.ber.tlv.TLV; 028import org.apache.directory.api.i18n.I18n; 029import org.apache.directory.api.ldap.codec.api.LdapCodecConstants; 030import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 031import org.apache.directory.api.ldap.codec.decorators.ModifyRequestDecorator; 032import org.apache.directory.api.util.Strings; 033import org.slf4j.Logger; 034import org.slf4j.LoggerFactory; 035 036 037/** 038 * The action used to store the ModificationRequest operation type 039 * <pre> 040 * ModifyRequest ::= [APPLICATION 6] SEQUENCE { 041 * ... 042 * modification SEQUENCE OF SEQUENCE { 043 * operation ENUMERATED { 044 * ... 045 * </pre> 046 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 047 */ 048public class StoreOperationType extends GrammarAction<LdapMessageContainer<ModifyRequestDecorator>> 049{ 050 /** The logger */ 051 private static final Logger LOG = LoggerFactory.getLogger( StoreOperationType.class ); 052 053 /** Speedup for logs */ 054 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 055 056 057 /** 058 * Instantiates a new action. 059 */ 060 public StoreOperationType() 061 { 062 super( "Store Modify request operation type" ); 063 } 064 065 066 /** 067 * {@inheritDoc} 068 */ 069 public void action( LdapMessageContainer<ModifyRequestDecorator> container ) throws DecoderException 070 { 071 ModifyRequestDecorator modifyRequestDecorator = container.getMessage(); 072 073 TLV tlv = container.getCurrentTLV(); 074 075 // Decode the operation type 076 int operation = 0; 077 078 try 079 { 080 operation = IntegerDecoder.parse( tlv.getValue(), 0, 2 ); 081 } 082 catch ( IntegerDecoderException ide ) 083 { 084 String msg = I18n.err( I18n.ERR_04082, Strings.dumpBytes( tlv.getValue().getData() ) ); 085 LOG.error( msg ); 086 087 // This will generate a PROTOCOL_ERROR 088 throw new DecoderException( msg, ide ); 089 } 090 091 // Store the current operation. 092 modifyRequestDecorator.setCurrentOperation( operation ); 093 094 if ( IS_DEBUG ) 095 { 096 switch ( operation ) 097 { 098 case LdapCodecConstants.OPERATION_ADD: 099 LOG.debug( "Modification operation : ADD" ); 100 break; 101 102 case LdapCodecConstants.OPERATION_DELETE: 103 LOG.debug( "Modification operation : DELETE" ); 104 break; 105 106 case LdapCodecConstants.OPERATION_REPLACE: 107 LOG.debug( "Modification operation : REPLACE" ); 108 break; 109 110 default: 111 LOG.debug( "Modification operation : UNKNOWN" ); 112 } 113 } 114 } 115}