1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.directory.api.ldap.codec.actions.modifyRequest; 21 22 23 import org.apache.directory.api.asn1.ber.grammar.GrammarAction; 24 import org.apache.directory.api.asn1.ber.tlv.TLV; 25 import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 26 import org.apache.directory.api.ldap.codec.decorators.ModifyRequestDecorator; 27 import org.slf4j.Logger; 28 import org.slf4j.LoggerFactory; 29 30 31 /** 32 * The action used to initialize the set of ModificationRequest AVAs 33 * <pre> 34 * ModifyRequest ::= [APPLICATION 6] SEQUENCE { 35 * ... 36 * modification SEQUENCE OF SEQUENCE { 37 * ... 38 * modification AttributeTypeAndValues } 39 * 40 * AttributeTypeAndValues ::= SEQUENCE { 41 * ... 42 * vals SET OF AttributeValue } 43 * </pre> 44 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 45 */ 46 public class InitAttributeVals extends GrammarAction<LdapMessageContainer<ModifyRequestDecorator>> 47 { 48 /** The logger */ 49 private static final Logger LOG = LoggerFactory.getLogger( InitAttributeVals.class ); 50 51 52 /** 53 * Instantiates a new action. 54 */ 55 public InitAttributeVals() 56 { 57 super( "Init Attribute vals" ); 58 } 59 60 61 /** 62 * {@inheritDoc} 63 */ 64 public void action( LdapMessageContainer<ModifyRequestDecorator> container ) 65 { 66 TLV tlv = container.getCurrentTLV(); 67 68 // If the length is null, we store an empty value 69 if ( tlv.getLength() == 0 ) 70 { 71 LOG.debug( "No vals for this attribute" ); 72 } 73 74 // We can have an END transition 75 container.setGrammarEndAllowed( true ); 76 77 LOG.debug( "Some vals are to be decoded" ); 78 } 79 }