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 * https://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.modify; 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.model.entry.DefaultModification; 032import org.apache.directory.api.ldap.model.entry.Modification; 033import org.apache.directory.api.ldap.model.entry.ModificationOperation; 034import org.apache.directory.api.ldap.model.message.ModifyRequest; 035import org.apache.directory.api.util.Strings; 036import org.slf4j.Logger; 037import org.slf4j.LoggerFactory; 038 039 040/** 041 * The action used to store the ModificationRequest operation type 042 * <pre> 043 * ModifyRequest ::= [APPLICATION 6] SEQUENCE { 044 * ... 045 * modification SEQUENCE OF SEQUENCE { 046 * operation ENUMERATED { 047 * ... 048 * </pre> 049 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 050 */ 051public class StoreOperationType extends GrammarAction<LdapMessageContainer<ModifyRequest>> 052{ 053 /** The logger */ 054 private static final Logger LOG = LoggerFactory.getLogger( StoreOperationType.class ); 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 @Override 069 public void action( LdapMessageContainer<ModifyRequest> container ) throws DecoderException 070 { 071 ModifyRequest modifyRequest = container.getMessage(); 072 TLV tlv = container.getCurrentTLV(); 073 074 // Decode the operation type 075 int operation = 0; 076 077 try 078 { 079 // Store the current operation. 080 operation = IntegerDecoder.parse( tlv.getValue(), ModificationOperation.ADD_ATTRIBUTE.getValue(), 081 ModificationOperation.INCREMENT_ATTRIBUTE.getValue() ); 082 Modification modification = new DefaultModification(); 083 modification.setOperation( operation ); 084 modifyRequest.addModification( modification ); 085 container.setCurrentModification( modification ); 086 } 087 catch ( IntegerDecoderException ide ) 088 { 089 String msg = I18n.err( I18n.ERR_05124_INVALID_OPERATION, Strings.dumpBytes( tlv.getValue().getData() ) ); 090 LOG.error( msg ); 091 092 // This will generate a PROTOCOL_ERROR 093 throw new DecoderException( msg, ide ); 094 } 095 096 if ( LOG.isDebugEnabled() ) 097 { 098 switch ( operation ) 099 { 100 case LdapCodecConstants.OPERATION_ADD: 101 LOG.debug( I18n.msg( I18n.MSG_05133_MODIFY_OPERATION, "ADD" ) ); 102 break; 103 104 case LdapCodecConstants.OPERATION_DELETE: 105 LOG.debug( I18n.msg( I18n.MSG_05133_MODIFY_OPERATION, "DELETE" ) ); 106 break; 107 108 case LdapCodecConstants.OPERATION_REPLACE: 109 LOG.debug( I18n.msg( I18n.MSG_05133_MODIFY_OPERATION, "REPLACE" ) ); 110 break; 111 112 default: 113 LOG.debug( I18n.msg( I18n.MSG_05133_MODIFY_OPERATION, "UNKNOWN" ) ); 114 } 115 } 116 } 117}