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 */
020 package org.apache.directory.shared.ldap.codec.actions;
021
022
023 import org.apache.directory.shared.asn1.ber.IAsn1Container;
024 import org.apache.directory.shared.asn1.ber.grammar.GrammarAction;
025 import org.apache.directory.shared.asn1.codec.DecoderException;
026 import org.apache.directory.shared.ldap.codec.LdapMessageCodec;
027 import org.apache.directory.shared.ldap.codec.LdapMessageContainer;
028 import org.apache.directory.shared.ldap.codec.search.ExtensibleMatchFilter;
029 import org.apache.directory.shared.ldap.codec.search.Filter;
030 import org.apache.directory.shared.ldap.codec.search.SearchRequestCodec;
031
032 import org.slf4j.Logger;
033 import org.slf4j.LoggerFactory;
034
035
036 /**
037 * The action used to initialize the Extensible Match filter
038 *
039 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
040 * @version $Rev$, $Date$,
041 */
042 public class InitExtensibleMatchFilterAction extends GrammarAction
043 {
044 /** The logger */
045 private static final Logger log = LoggerFactory.getLogger( InitExtensibleMatchFilterAction.class );
046
047 /** Speedup for logs */
048 private static final boolean IS_DEBUG = log.isDebugEnabled();
049
050 public InitExtensibleMatchFilterAction()
051 {
052 super( "Init Extensible Match filter Value" );
053 }
054
055 public void action( IAsn1Container container ) throws DecoderException
056 {
057 LdapMessageContainer ldapMessageContainer = ( LdapMessageContainer ) container;
058 LdapMessageCodec ldapMessage = ldapMessageContainer.getLdapMessage();
059 SearchRequestCodec searchRequest = ldapMessage.getSearchRequest();
060
061 // We can allocate the ExtensibleMatch Filter
062 Filter extensibleMatchFilter = new ExtensibleMatchFilter( ldapMessageContainer.getTlvId() );
063
064 searchRequest.addCurrentFilter( extensibleMatchFilter );
065 searchRequest.setTerminalFilter( extensibleMatchFilter );
066
067 if ( IS_DEBUG )
068 {
069 log.debug( "Initialize Extensible Match filter" );
070 }
071 }
072 }