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.ldap.codec.LdapMessageContainer;
028 import org.apache.directory.shared.ldap.codec.search.SearchResultReferenceCodec;
029 import org.apache.directory.shared.ldap.codec.util.LdapURLEncodingException;
030 import org.apache.directory.shared.ldap.util.LdapURL;
031 import org.apache.directory.shared.ldap.util.StringTools;
032
033 import org.slf4j.Logger;
034 import org.slf4j.LoggerFactory;
035
036
037 /**
038 * The action used to store a reference into a searchResultReference
039 *
040 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
041 * @version $Rev$, $Date$,
042 */
043 public class StoreReferenceAction extends GrammarAction
044 {
045 /** The logger */
046 private static final Logger log = LoggerFactory.getLogger( StoreReferenceAction.class );
047
048 /** Speedup for logs */
049 private static final boolean IS_DEBUG = log.isDebugEnabled();
050
051 public StoreReferenceAction()
052 {
053 super( "Store a reference" );
054 }
055
056 /**
057 * The initialization action
058 */
059 public void action( IAsn1Container container ) throws DecoderException
060 {
061
062 LdapMessageContainer ldapMessageContainer = ( LdapMessageContainer ) container;
063
064 SearchResultReferenceCodec searchResultReference = ldapMessageContainer.getLdapMessage()
065 .getSearchResultReference();
066
067 // Get the Value and store it in the BindRequest
068 TLV tlv = ldapMessageContainer.getCurrentTLV();
069
070 // We have to handle the special case of a 0 length server
071 // sasl credentials
072 LdapURL url = LdapURL.EMPTY_URL;
073
074 if ( tlv.getLength() == 0 )
075 {
076 searchResultReference.addSearchResultReference( url );
077 }
078 else
079 {
080 try
081 {
082 url = new LdapURL( tlv.getValue().getData() );
083 searchResultReference.addSearchResultReference( url );
084 }
085 catch ( LdapURLEncodingException luee )
086 {
087 String badUrl = StringTools.utf8ToString( tlv.getValue().getData() );
088 log.error( "The URL {} is not valid : {}", badUrl, luee.getMessage() );
089 throw new DecoderException( "Invalid URL : " + luee.getMessage() );
090 }
091 }
092
093 if ( IS_DEBUG )
094 {
095 log.debug( "Search reference URL found : {}", url );
096 }
097
098 // We can have an END transition
099 ldapMessageContainer.grammarEndAllowed( true );
100
101 return;
102 }
103 }