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.extras.extended.ads_impl.endTransaction.controls.actions; 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.BerValue; 026import org.apache.directory.api.asn1.ber.tlv.BooleanDecoder; 027import org.apache.directory.api.asn1.ber.tlv.BooleanDecoderException; 028import org.apache.directory.api.asn1.ber.tlv.TLV; 029import org.apache.directory.api.i18n.I18n; 030import org.apache.directory.api.ldap.extras.extended.ads_impl.endTransaction.controls.ControlsContainer; 031import org.apache.directory.api.ldap.model.message.Control; 032import org.apache.directory.api.util.Strings; 033import org.slf4j.Logger; 034import org.slf4j.LoggerFactory; 035 036 037/** 038 * The action used to set the control criticality flag 039 * <pre> 040 * Control ::= SEQUENCE { 041 * ... 042 * criticality BOOLEAN DEFAULT FALSE, 043 * ... 044 * </pre> 045 * 046 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 047 */ 048public class StoreControlCriticality extends GrammarAction<ControlsContainer> 049{ 050 /** The logger */ 051 private static final Logger LOG = LoggerFactory.getLogger( StoreControlCriticality.class ); 052 053 /** 054 * Instantiates a new StoreControlCriticality action. 055 */ 056 public StoreControlCriticality() 057 { 058 super( "Store the control criticality" ); 059 } 060 061 062 /** 063 * {@inheritDoc} 064 */ 065 public void action( ControlsContainer container ) throws DecoderException 066 { 067 TLV tlv = container.getCurrentTLV(); 068 069 // Get the current control 070 Control control = container.getCurrentControl(); 071 072 // Store the criticality 073 // We get the value. If it's a 0, it's a FALSE. If it's 074 // a FF, it's a TRUE. Any other value should be an error, 075 // but we could relax this constraint. So if we have 076 // something 077 // which is not 0, it will be interpreted as TRUE, but we 078 // will generate a warning. 079 BerValue value = tlv.getValue(); 080 081 try 082 { 083 control.setCritical( BooleanDecoder.parse( value ) ); 084 } 085 catch ( BooleanDecoderException bde ) 086 { 087 LOG.error( I18n 088 .err( I18n.ERR_08103_BAD_CONTROL_CRITICALITY, Strings.dumpBytes( value.getData() ), bde.getMessage() ) ); 089 090 // This will generate a PROTOCOL_ERROR 091 throw new DecoderException( bde.getMessage(), bde ); 092 } 093 094 // We can have an END transition 095 container.setGrammarEndAllowed( true ); 096 097 if ( LOG.isDebugEnabled() ) 098 { 099 LOG.debug( I18n.msg( I18n.MSG_08202_CONTROL_CRITICALITY, control.isCritical() ) ); 100 } 101 } 102}