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.LdapMessageContainer; 029 import org.apache.directory.shared.ldap.codec.LdapResponseCodec; 030 import org.apache.directory.shared.ldap.codec.LdapResultCodec; 031 import org.slf4j.Logger; 032 import org.slf4j.LoggerFactory; 033 034 035 /** 036 * The action used to init referrals to a LdapTresult 037 * 038 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 039 * @version $Rev$, $Date$, 040 */ 041 public class InitReferralsAction extends GrammarAction 042 { 043 /** The logger */ 044 private static final Logger log = LoggerFactory.getLogger( InitReferralsAction.class ); 045 046 /** Speedup for logs */ 047 private static final boolean IS_DEBUG = log.isDebugEnabled(); 048 049 public InitReferralsAction() 050 { 051 super( "Init the referrals list" ); 052 } 053 054 /** 055 * The initialization action 056 */ 057 public void action( IAsn1Container container ) throws DecoderException 058 { 059 LdapMessageContainer ldapMessageContainer = ( LdapMessageContainer ) container; 060 LdapResponseCodec response = ldapMessageContainer.getLdapResponse(); 061 LdapResultCodec ldapResult = response.getLdapResult(); 062 063 TLV tlv = ldapMessageContainer.getCurrentTLV(); 064 065 // If we hae a Referrals sequence, then it should not be empty 066 // sasl credentials 067 if ( tlv.getLength() == 0 ) 068 { 069 String msg = I18n.err( I18n.ERR_04011 ); 070 log.error( msg ); 071 072 // This will generate a PROTOCOL_ERROR 073 throw new DecoderException( msg ); 074 } 075 076 if ( IS_DEBUG) 077 { 078 log.debug( "Initialising a referrals list" ); 079 } 080 081 ldapResult.initReferrals(); 082 } 083 }