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.controls.vlv_impl;
021
022
023import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
024import org.apache.directory.api.asn1.ber.tlv.TLV;
025import org.apache.directory.api.util.Strings;
026
027
028/**
029 * The action used to store the assertionValue value
030 * 
031 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
032 */
033public class StoreAssertionValue extends GrammarAction<VirtualListViewRequestContainer>
034{
035
036    /**
037     * Instantiates a new assertionValue action.
038     */
039    public StoreAssertionValue()
040    {
041        super( "VirtualListViewRequest assertionValue" );
042    }
043
044
045    /**
046     * {@inheritDoc}
047     */
048    @Override
049    public void action( VirtualListViewRequestContainer vlvContainer )
050    {
051        TLV tlv = vlvContainer.getCurrentTLV();
052
053        if ( tlv.getLength() != 0 )
054        {
055            byte[] assertionValue = tlv.getValue().getData();
056
057            vlvContainer.getDecorator().setAssertionValue( assertionValue );
058        }
059        else
060        {
061            vlvContainer.getDecorator().setAssertionValue( Strings.EMPTY_BYTES );
062        }
063
064        // The last element is optional, we can quit here
065        vlvContainer.setGrammarEndAllowed( true );
066    }
067}