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.compare;
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.CompareRequest;
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 AssertionValue in a Compare Request
35 * <pre>
36 * CompareRequest ::= [APPLICATION 14] SEQUENCE {
37 * ...
38 * ava AttributeValueAssertion }
39 *
40 * AttributeValueAssertion ::= SEQUENCE {
41 * ...
42 * assertionValue AssertionValue }
43 *
44 * AssertionValue OCTET STRING
45 * </pre>
46 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
47 */
48 public class StoreCompareRequestAssertionValue extends GrammarAction<LdapMessageContainer<CompareRequest>>
49 {
50 /** The logger */
51 private static final Logger LOG = LoggerFactory.getLogger( StoreCompareRequestAssertionValue.class );
52
53 /**
54 * Instantiates a new action.
55 */
56 public StoreCompareRequestAssertionValue()
57 {
58 super( "Store CompareRequest assertion value" );
59 }
60
61
62 /**
63 * {@inheritDoc}
64 */
65 @Override
66 public void action( LdapMessageContainer<CompareRequest> container )
67 {
68 // Get the CompareRequest Object
69 CompareRequest compareRequest = container.getMessage();
70
71 // Get the Value and store it in the CompareRequest
72 TLV tlv = container.getCurrentTLV();
73
74 // We have to handle the special case of a 0 length value
75 if ( tlv.getLength() == 0 )
76 {
77 compareRequest.setAssertionValue( "" );
78 }
79 else
80 {
81 if ( container.isBinary( compareRequest.getAttributeId() ) )
82 {
83 compareRequest.setAssertionValue( tlv.getValue().getData() );
84
85 if ( LOG.isDebugEnabled() )
86 {
87 LOG.debug( I18n.msg( I18n.MSG_05121_COMPARING_ATTRIBUTE_VALUE,
88 Strings.dumpBytes( compareRequest.getAssertionValue().getBytes() ) ) );
89 }
90 }
91 else
92 {
93 compareRequest.setAssertionValue( Strings.utf8ToString( tlv.getValue().getData() ) );
94
95 if ( LOG.isDebugEnabled() )
96 {
97 LOG.debug( I18n.msg( I18n.MSG_05121_COMPARING_ATTRIBUTE_VALUE, compareRequest.getAssertionValue() ) );
98 }
99 }
100 }
101
102 // We can have an END transition
103 container.setGrammarEndAllowed( true );
104 }
105 }