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.intermediateResponse;
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.IntermediateResponseDecorator;
28 import org.apache.directory.api.ldap.model.message.IntermediateResponse;
29 import org.apache.directory.api.util.Strings;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
32
33
34 /**
35 * The action used to store a IntermediateResponse value
36 * <pre>
37 * IntermediateResponse ::= [APPLICATION 25] SEQUENCE {
38 * ...
39 * responseValue [1] OCTET STRING OPTIONAL
40 * }
41 * </pre>
42 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
43 */
44 public class StoreIntermediateResponseValue extends GrammarAction<LdapMessageContainer<IntermediateResponseDecorator>>
45 {
46 /** The logger */
47 private static final Logger LOG = LoggerFactory.getLogger( StoreIntermediateResponseValue.class );
48
49 /** Speedup for logs */
50 private static final boolean IS_DEBUG = LOG.isDebugEnabled();
51
52
53 /**
54 * Instantiates a new response name action.
55 */
56 public StoreIntermediateResponseValue()
57 {
58 super( "Store response value" );
59 }
60
61
62 /**
63 * {@inheritDoc}
64 */
65 public void action( LdapMessageContainer<IntermediateResponseDecorator> container ) throws DecoderException
66 {
67 // We can get the IntermediateResponse Object
68 IntermediateResponse intermediateResponse = container.getMessage();
69
70 // Get the Value and store it in the IntermediateResponse
71 TLV tlv = container.getCurrentTLV();
72
73 // We have to handle the special case of a 0 length matched
74 // value
75 if ( tlv.getLength() == 0 )
76 {
77 intermediateResponse.setResponseValue( Strings.EMPTY_BYTES );
78 }
79 else
80 {
81 intermediateResponse.setResponseValue( tlv.getValue().getData() );
82 }
83
84 // We can have an END transition
85 container.setGrammarEndAllowed( true );
86
87 if ( IS_DEBUG )
88 {
89 LOG.debug( "Value read : {}", Strings.dumpBytes( intermediateResponse.getResponseValue() ) );
90 }
91 }
92 }