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.modify;
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.ModifyRequest;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
30
31
32 /**
33 * The action used to initialize the set of ModificationRequest AVAs
34 * <pre>
35 * ModifyRequest ::= [APPLICATION 6] SEQUENCE {
36 * ...
37 * modification SEQUENCE OF SEQUENCE {
38 * ...
39 * modification AttributeTypeAndValues }
40 *
41 * AttributeTypeAndValues ::= SEQUENCE {
42 * ...
43 * vals SET OF AttributeValue }
44 * </pre>
45 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
46 */
47 public class InitAttributeVals extends GrammarAction<LdapMessageContainer<ModifyRequest>>
48 {
49 /** The logger */
50 private static final Logger LOG = LoggerFactory.getLogger( InitAttributeVals.class );
51
52
53 /**
54 * Instantiates a new action.
55 */
56 public InitAttributeVals()
57 {
58 super( "Init Attribute vals" );
59 }
60
61
62 /**
63 * {@inheritDoc}
64 */
65 @Override
66 public void action( LdapMessageContainer<ModifyRequest> container )
67 {
68 TLV tlv = container.getCurrentTLV();
69
70 // If the length is null, we store an empty value
71 if ( LOG.isDebugEnabled() && ( tlv.getLength() == 0 ) )
72 {
73 LOG.debug( I18n.msg( I18n.MSG_05129_NO_VALS_FOR_ATTRIBUTE ) );
74 }
75
76 // We can have an END transition
77 container.setGrammarEndAllowed( true );
78
79 if ( LOG.isDebugEnabled() )
80 {
81 LOG.debug( I18n.msg( I18n.MSG_05130_SOME_VALS_NEED_DECODING ) );
82 }
83 }
84 }