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.search.filter;
021
022
023import org.apache.directory.api.asn1.DecoderException;
024import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
025import org.apache.directory.api.i18n.I18n;
026import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
027import org.apache.directory.api.ldap.codec.search.ExtensibleMatchFilter;
028import org.apache.directory.api.ldap.codec.search.Filter;
029import org.apache.directory.api.ldap.model.message.SearchRequest;
030import org.slf4j.Logger;
031import org.slf4j.LoggerFactory;
032
033
034/**
035 * The action used to initialize the Extensible Match filter
036 * 
037 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
038 */
039public class InitExtensibleMatchFilter extends GrammarAction<LdapMessageContainer<SearchRequest>>
040{
041    /** The logger */
042    private static final Logger LOG = LoggerFactory.getLogger( InitExtensibleMatchFilter.class );
043
044    /**
045     * Instantiates a new init extensible match filter action.
046     */
047    public InitExtensibleMatchFilter()
048    {
049        super( "Init Extensible Match filter Value" );
050    }
051
052
053    /**
054     * {@inheritDoc}
055     */
056    public void action( LdapMessageContainer<SearchRequest> container ) throws DecoderException
057    {
058        // We can allocate the ExtensibleMatch Filter
059        Filter extensibleMatchFilter = new ExtensibleMatchFilter( container.getCurrentTLV().getId() );
060
061        container.addCurrentFilter( extensibleMatchFilter );
062        container.setTerminalFilter( extensibleMatchFilter );
063
064        if ( LOG.isDebugEnabled() )
065        {
066            LOG.debug( I18n.msg( I18n.MSG_05146_INITIALIZE_EXT_FILTER ) );
067        }
068    }
069}