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.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.asn1.ber.tlv.TLV; 026import org.apache.directory.api.i18n.I18n; 027import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 028import org.apache.directory.api.ldap.codec.search.Filter; 029import org.apache.directory.api.ldap.codec.search.NotFilter; 030import org.apache.directory.api.ldap.model.message.SearchRequest; 031import org.slf4j.Logger; 032import org.slf4j.LoggerFactory; 033 034 035/** 036 * The action used to initialize the NOT filter 037 * 038 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 039 */ 040public class InitNotFilter extends GrammarAction<LdapMessageContainer<SearchRequest>> 041{ 042 /** The logger */ 043 private static final Logger LOG = LoggerFactory.getLogger( InitNotFilter.class ); 044 045 /** 046 * Instantiates a new init NOT filter action. 047 */ 048 public InitNotFilter() 049 { 050 super( "Initialize NOT filter" ); 051 } 052 053 054 /** 055 * {@inheritDoc} 056 */ 057 public void action( LdapMessageContainer<SearchRequest> container ) throws DecoderException 058 { 059 TLV tlv = container.getCurrentTLV(); 060 061 if ( tlv.getLength() == 0 ) 062 { 063 String msg = I18n.err( I18n.ERR_05136_EMPTY_NOT_FILTER_PDU ); 064 LOG.error( msg ); 065 throw new DecoderException( msg ); 066 } 067 068 // We can allocate the SearchRequest 069 Filter notFilter = new NotFilter( tlv.getId() ); 070 071 // Set the filter 072 container.addCurrentFilter( notFilter ); 073 074 if ( LOG.isDebugEnabled() ) 075 { 076 LOG.debug( I18n.msg( I18n.MSG_05149_INITIALIZE_NOT_FILTER ) ); 077 } 078 } 079}