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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.encKrbPrivPart.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.api.i18n.I18n;
27  import org.apache.directory.shared.kerberos.codec.encKrbPrivPart.EncKrbPrivPartContainer;
28  import org.apache.directory.shared.kerberos.components.EncKrbPrivPart;
29  import org.slf4j.Logger;
30  import org.slf4j.LoggerFactory;
31  
32  
33  /**
34   * The action used to initialize the EncKrbPrivPart object
35   *
36   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
37   */
38  public class EncKrbPrivPartInit extends GrammarAction<EncKrbPrivPartContainer>
39  {
40      /** The logger */
41      private static final Logger LOG = LoggerFactory.getLogger( EncKrbPrivPartInit.class );
42  
43      /** Speedup for logs */
44      private static final boolean IS_DEBUG = LOG.isDebugEnabled();
45  
46  
47      /**
48       * Instantiates a new EncKrbPrivPartInit action.
49       */
50      public EncKrbPrivPartInit()
51      {
52          super( "Creates a EncKrbPrivPart instance" );
53      }
54  
55  
56      /**
57       * {@inheritDoc}
58       */
59      public void action( EncKrbPrivPartContainer encKrbPrivPartContainer ) throws DecoderException
60      {
61          TLV tlv = encKrbPrivPartContainer.getCurrentTLV();
62  
63          // The Length should not be null
64          if ( tlv.getLength() == 0 )
65          {
66              LOG.error( I18n.err( I18n.ERR_01308_ZERO_LENGTH_TLV ) );
67  
68              // This will generate a PROTOCOL_ERROR
69              throw new DecoderException( I18n.err( I18n.ERR_01309_EMPTY_TLV ) );
70          }
71  
72          EncKrbPrivParteros/components/EncKrbPrivPart.html#EncKrbPrivPart">EncKrbPrivPart encKrbPrivPart = new EncKrbPrivPart();
73          encKrbPrivPartContainer.setEncKrbPrivPart( encKrbPrivPart );
74  
75          if ( IS_DEBUG )
76          {
77              LOG.debug( "EncKrbPrivPart created" );
78          }
79      }
80  }