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.unbind;
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.i18n.I18n;
27 import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
28 import org.apache.directory.api.ldap.model.message.UnbindRequest;
29 import org.apache.directory.api.ldap.model.message.UnbindRequestImpl;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
32
33
34 /**
35 * The action used to initialize the UnbindRequest :
36 * <pre>
37 * LdapMessage ::= ... UnBindRequest ...
38 * unbindRequest ::= [APPLICATION 2] NULL
39 * </pre>
40 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
41 */
42 public class InitUnbindRequest extends GrammarAction<LdapMessageContainer<UnbindRequest>>
43 {
44 /** The logger */
45 private static final Logger LOG = LoggerFactory.getLogger( InitUnbindRequest.class );
46
47
48 /**
49 * Instantiates a new action.
50 */
51 public InitUnbindRequest()
52 {
53 super( "Unbind Request initialization" );
54 }
55
56
57 /**
58 * {@inheritDoc}
59 */
60 public void action( LdapMessageContainer<UnbindRequest> container ) throws DecoderException
61 {
62 // Create the UnbindRequest LdapMessage instance and store it in the container
63 UnbindRequest unbindRequest = new UnbindRequestImpl();
64 unbindRequest.setMessageId( container.getMessageId() );
65 container.setMessage( unbindRequest );
66
67 TLV tlv = container.getCurrentTLV();
68 int expectedLength = tlv.getLength();
69
70 // The Length should be null
71 if ( expectedLength != 0 )
72 {
73 LOG.error( I18n.err( I18n.ERR_05130_NON_NULL_UNBIND_LENGTH, Integer.valueOf( expectedLength ) ) );
74
75 // This will generate a PROTOCOL_ERROR
76 throw new DecoderException( I18n.err( I18n.ERR_05131_UNBIND_REQUEST_LENGTH_MUST_BE_NULL ) );
77 }
78
79 // We can quit now
80 container.setGrammarEndAllowed( true );
81 }
82 }