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 * http://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.searchRequest;
21
22
23 import org.apache.directory.api.asn1.DecoderException;
24 import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
25 import org.apache.directory.api.asn1.ber.tlv.TLV;
26 import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
27 import org.apache.directory.api.ldap.codec.decorators.SearchRequestDecorator;
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<SearchRequestDecorator>>
46 {
47 /** The logger */
48 private static final Logger LOG = LoggerFactory.getLogger( StoreSearchRequestAttributeDesc.class );
49
50 /** Speedup for logs */
51 private static final boolean IS_DEBUG = LOG.isDebugEnabled();
52
53
54 /**
55 * Instantiates a new attribute desc action.
56 */
57 public StoreSearchRequestAttributeDesc()
58 {
59 super( "Store attribute description" );
60 }
61
62
63 /**
64 * {@inheritDoc}
65 */
66 public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException
67 {
68 SearchRequestDecorator searchRequestDecorator = container.getMessage();
69 TLV tlv = container.getCurrentTLV();
70 String attributeDescription = null;
71
72 if ( tlv.getLength() != 0 )
73 {
74 attributeDescription = Strings.utf8ToString( tlv.getValue().getData() );
75
76 // If the attributeDescription is empty, we won't add it
77 if ( !Strings.isEmpty( attributeDescription.trim() ) )
78 {
79 searchRequestDecorator.getDecorated().addAttributes( attributeDescription );
80 }
81 }
82
83 // We can have an END transition
84 container.setGrammarEndAllowed( true );
85
86 if ( IS_DEBUG )
87 {
88 LOG.debug( "Decoded Attribute Description : {}", attributeDescription );
89 }
90 }
91 }