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.TLV; 026import org.apache.directory.api.i18n.I18n; 027import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 028import org.apache.directory.api.ldap.codec.api.ResponseCarryingException; 029import org.apache.directory.api.ldap.codec.decorators.ModifyRequestDecorator; 030import org.apache.directory.api.ldap.model.message.ModifyRequest; 031import org.apache.directory.api.ldap.model.message.ModifyResponseImpl; 032import org.apache.directory.api.ldap.model.message.ResultCodeEnum; 033import org.apache.directory.api.util.Strings; 034import org.slf4j.Logger; 035import org.slf4j.LoggerFactory; 036 037 038/** 039 * The action used to store the ModificationRequest's attribute type 040 * <pre> 041 * ModifyRequest ::= [APPLICATION 6] SEQUENCE { 042 * ... 043 * modification SEQUENCE OF SEQUENCE { 044 * ... 045 * modification AttributeTypeAndValues } 046 * 047 * AttributeTypeAndValues ::= SEQUENCE { 048 * type AttributeDescription, 049 * ... 050 * </pre> 051 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 052 */ 053public class AddModifyRequestAttribute extends GrammarAction<LdapMessageContainer<ModifyRequestDecorator>> 054{ 055 /** The logger */ 056 private static final Logger LOG = LoggerFactory.getLogger( AddModifyRequestAttribute.class ); 057 058 /** Speedup for logs */ 059 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 060 061 062 /** 063 * Instantiates a new action. 064 */ 065 public AddModifyRequestAttribute() 066 { 067 super( "Store Modify request operation type" ); 068 } 069 070 071 /** 072 * {@inheritDoc} 073 */ 074 public void action( LdapMessageContainer<ModifyRequestDecorator> container ) throws DecoderException 075 { 076 ModifyRequestDecorator modifyRequestDecorator = container.getMessage(); 077 ModifyRequest modifyRequest = modifyRequestDecorator.getDecorated(); 078 079 TLV tlv = container.getCurrentTLV(); 080 081 // Store the value. It can't be null 082 String type; 083 084 if ( tlv.getLength() == 0 ) 085 { 086 String msg = I18n.err( I18n.ERR_04083 ); 087 LOG.error( msg ); 088 089 ModifyResponseImpl response = new ModifyResponseImpl( modifyRequest.getMessageId() ); 090 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_ATTRIBUTE_SYNTAX, 091 modifyRequest.getName(), null ); 092 } 093 else 094 { 095 type = Strings.utf8ToString( tlv.getValue().getData() ); 096 modifyRequestDecorator.addAttributeTypeAndValues( type ); 097 } 098 099 if ( IS_DEBUG ) 100 { 101 LOG.debug( "Modifying type : {}", type ); 102 } 103 } 104}