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.modifyRequest; 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.IntegerDecoder; 026import org.apache.directory.shared.asn1.ber.tlv.IntegerDecoderException; 027import org.apache.directory.shared.asn1.ber.tlv.TLV; 028import org.apache.directory.shared.i18n.I18n; 029import org.apache.directory.shared.ldap.codec.api.LdapConstants; 030import org.apache.directory.shared.ldap.codec.api.LdapMessageContainer; 031import org.apache.directory.shared.ldap.codec.decorators.ModifyRequestDecorator; 032import org.apache.directory.shared.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 * Instantiates a new action. 058 */ 059 public StoreOperationType() 060 { 061 super( "Store Modify request operation type" ); 062 } 063 064 065 /** 066 * {@inheritDoc} 067 */ 068 public void action( LdapMessageContainer<ModifyRequestDecorator> container ) throws DecoderException 069 { 070 ModifyRequestDecorator modifyRequestDecorator = container.getMessage(); 071 072 TLV tlv = container.getCurrentTLV(); 073 074 // Decode the operation type 075 int operation = 0; 076 077 try 078 { 079 operation = IntegerDecoder.parse( tlv.getValue(), 0, 2 ); 080 } 081 catch ( IntegerDecoderException ide ) 082 { 083 String msg = I18n.err( I18n.ERR_04082, Strings.dumpBytes(tlv.getValue().getData()) ); 084 LOG.error( msg ); 085 086 // This will generate a PROTOCOL_ERROR 087 throw new DecoderException( msg ); 088 } 089 090 // Store the current operation. 091 modifyRequestDecorator.setCurrentOperation( operation ); 092 093 if ( IS_DEBUG ) 094 { 095 switch ( operation ) 096 { 097 case LdapConstants.OPERATION_ADD: 098 LOG.debug( "Modification operation : ADD" ); 099 break; 100 101 case LdapConstants.OPERATION_DELETE: 102 LOG.debug( "Modification operation : DELETE" ); 103 break; 104 105 case LdapConstants.OPERATION_REPLACE: 106 LOG.debug( "Modification operation : REPLACE" ); 107 break; 108 } 109 } 110 } 111}