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.response.compare;
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.CompareResponse;
29 import org.apache.directory.api.ldap.model.message.CompareResponseImpl;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
32
33
34 /**
35 * The action used to initialize the CompareResponse
36 * <pre>
37 * LdapMessage ::= ... CompareResponse ...
38 * CompareResponse ::= [APPLICATION 15] LDAPResult
39 * </pre>
40 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
41 */
42 public class InitCompareResponse extends GrammarAction<LdapMessageContainer<CompareResponse>>
43 {
44 /** The logger */
45 private static final Logger LOG = LoggerFactory.getLogger( InitCompareResponse.class );
46
47
48 /**
49 * Instantiates a new action.
50 */
51 public InitCompareResponse()
52 {
53 super( "Compare Response initialization" );
54 }
55
56
57 /**
58 * {@inheritDoc}
59 */
60 public void action( LdapMessageContainer<CompareResponse> container ) throws DecoderException
61 {
62 // Now, we can allocate the CompareResponse Object
63 CompareResponse compareResponse = new CompareResponseImpl( container.getMessageId() );
64 container.setMessage( compareResponse );
65
66 // We will check that the request is not null
67 TLV tlv = container.getCurrentTLV();
68
69 if ( tlv.getLength() == 0 )
70 {
71 String msg = I18n.err( I18n.ERR_05148_NULL_COMPARE_REQUEST );
72 LOG.error( msg );
73 throw new DecoderException( msg );
74 }
75
76 if ( LOG.isDebugEnabled() )
77 {
78 LOG.debug( I18n.msg( I18n.MSG_05169_COMPARE_RESPONSE ) );
79 }
80 }
81 }