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.searchRequest.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.decorators.SearchRequestDecorator; 029import org.apache.directory.api.ldap.codec.search.SubstringFilter; 030import org.apache.directory.api.util.Strings; 031import org.slf4j.Logger; 032import org.slf4j.LoggerFactory; 033 034 035/** 036 * The action used to store the Substring Filter type 037 * <pre> 038 * Filter ::= CHOICE { 039 * ... 040 * substrings [4] SubstringFilter, 041 * ... 042 * 043 * SubstringFilter ::= SEQUENCE { 044 * type AttributeDescription, 045 * ... 046 * </pre> 047 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 048 */ 049public class StoreSubstringFilterType extends GrammarAction<LdapMessageContainer<SearchRequestDecorator>> 050{ 051 /** The logger */ 052 private static final Logger LOG = LoggerFactory.getLogger( StoreSubstringFilterType.class ); 053 054 055 /** 056 * Instantiates a new action. 057 */ 058 public StoreSubstringFilterType() 059 { 060 super( "Store Substring filter type" ); 061 } 062 063 064 /** 065 * {@inheritDoc} 066 */ 067 public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException 068 { 069 SearchRequestDecorator searchRequestDecorator = container.getMessage(); 070 071 TLV tlv = container.getCurrentTLV(); 072 073 // Store the value. 074 SubstringFilter substringFilter = ( SubstringFilter ) searchRequestDecorator.getTerminalFilter(); 075 076 if ( tlv.getLength() == 0 ) 077 { 078 String msg = I18n.err( I18n.ERR_04106 ); 079 LOG.error( msg ); 080 throw new DecoderException( msg ); 081 } 082 else 083 { 084 String type = Strings.utf8ToString( tlv.getValue().getData() ); 085 substringFilter.setType( type ); 086 087 // We now have to get back to the nearest filter which 088 // is not terminal. 089 searchRequestDecorator.setTerminalFilter( substringFilter ); 090 } 091 } 092}