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.ber.tlv.TLV; 026 import org.apache.directory.shared.asn1.codec.DecoderException; 027 import org.apache.directory.shared.i18n.I18n; 028 import org.apache.directory.shared.ldap.codec.AttributeValueAssertion; 029 import org.apache.directory.shared.ldap.codec.LdapMessageContainer; 030 import org.apache.directory.shared.ldap.codec.search.AttributeValueAssertionFilter; 031 import org.apache.directory.shared.ldap.codec.search.SearchRequestCodec; 032 import org.apache.directory.shared.ldap.util.StringTools; 033 import org.slf4j.Logger; 034 import org.slf4j.LoggerFactory; 035 036 037 /** 038 * The action used to initialize the AttributeDesc filter 039 * 040 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 041 * @version $Rev$, $Date$, 042 */ 043 public class InitAttributeDescFilterAction extends GrammarAction 044 { 045 /** The logger */ 046 private static final Logger log = LoggerFactory.getLogger( InitAttributeDescFilterAction.class ); 047 048 /** Speedup for logs */ 049 private static final boolean IS_DEBUG = log.isDebugEnabled(); 050 051 public InitAttributeDescFilterAction() 052 { 053 super( "Initialize AttributeDesc filter" ); 054 } 055 056 /** 057 * The initialization action 058 */ 059 public void action( IAsn1Container container ) throws DecoderException 060 { 061 LdapMessageContainer ldapMessageContainer = ( LdapMessageContainer ) container; 062 SearchRequestCodec searchRequest = ldapMessageContainer.getSearchRequest(); 063 064 TLV tlv = ldapMessageContainer.getCurrentTLV(); 065 066 AttributeValueAssertion assertion = new AttributeValueAssertion(); 067 068 if ( tlv.getLength() == 0 ) 069 { 070 log.error( I18n.err( I18n.ERR_04007 ) ); 071 throw new DecoderException( I18n.err( I18n.ERR_04007 ) ); 072 } 073 else 074 { 075 String type = StringTools.utf8ToString( tlv.getValue().getData() ); 076 assertion.setAttributeDesc( type ); 077 078 AttributeValueAssertionFilter terminalFilter = ( AttributeValueAssertionFilter ) searchRequest 079 .getTerminalFilter(); 080 terminalFilter.setAssertion( assertion ); 081 } 082 083 if ( IS_DEBUG ) 084 { 085 log.debug( "Initialize AttributeDesc filter" ); 086 } 087 } 088 }