1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * https://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.directory.api.ldap.codec.actions.request.search;
21
22
23 import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
24 import org.apache.directory.api.asn1.ber.tlv.TLV;
25 import org.apache.directory.api.i18n.I18n;
26 import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
27 import org.apache.directory.api.ldap.model.message.SearchRequest;
28 import org.apache.directory.api.util.Strings;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
31
32
33 /**
34 * The action used to store the attribute description
35 * <pre>
36 * SearchRequest ::= [APPLICATION 3] SEQUENCE {
37 * ...
38 * attributes AttributeDescriptionList }
39 *
40 * AttributeDescriptionList ::= SEQUENCE OF
41 * AttributeDescription
42 * </pre>
43 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
44 */
45 public class StoreSearchRequestAttributeDesc extends GrammarAction<LdapMessageContainer<SearchRequest>>
46 {
47 /** The logger */
48 private static final Logger LOG = LoggerFactory.getLogger( StoreSearchRequestAttributeDesc.class );
49
50 /**
51 * Instantiates a new attribute desc action.
52 */
53 public StoreSearchRequestAttributeDesc()
54 {
55 super( "Store attribute description" );
56 }
57
58
59 /**
60 * {@inheritDoc}
61 */
62 public void action( LdapMessageContainer<SearchRequest> container )
63 {
64 SearchRequest searchRequest = container.getMessage();
65 TLV tlv = container.getCurrentTLV();
66 String attributeDescription = null;
67
68 if ( tlv.getLength() != 0 )
69 {
70 attributeDescription = Strings.utf8ToString( tlv.getValue().getData() );
71
72 // If the attributeDescription is empty, we won't add it
73 if ( !Strings.isEmpty( attributeDescription.trim() ) )
74 {
75 searchRequest.addAttributes( attributeDescription );
76 }
77 }
78
79 // We can have an END transition
80 container.setGrammarEndAllowed( true );
81
82 if ( LOG.isDebugEnabled() )
83 {
84 LOG.debug( I18n.msg( I18n.MSG_05159_DECODED_ATT_DESC, attributeDescription ) );
85 }
86 }
87 }