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.shared.kerberos.codec.kdcReqBody.actions;
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.shared.kerberos.codec.kdcReqBody.KdcReqBodyContainer;
27
28
29 /**
30 * The action used to store the KDC-REQ-BODY EType sequence.
31 *
32 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
33 */
34 public class ETypeSequence extends GrammarAction<KdcReqBodyContainer>
35 {
36 /**
37 * Instantiates a new ETypeSequence action.
38 */
39 public ETypeSequence()
40 {
41 super( "KDC-REQ-BODY EType sequence" );
42 }
43
44
45 /**
46 * {@inheritDoc}
47 */
48 public void action( KdcReqBodyContainer kdcReqBodyContainer ) throws DecoderException
49 {
50 TLV tlv = kdcReqBodyContainer.getCurrentTLV();
51
52 // The Length can be null, in this case, we can potentially exit from this grammar
53 if ( tlv.getLength() == 0 )
54 {
55 kdcReqBodyContainer.setGrammarEndAllowed( true );
56 }
57 }
58 }