View Javadoc
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.intermediate;
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.IntermediateOperationFactory;
28  import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
29  import org.apache.directory.api.ldap.model.message.IntermediateResponse;
30  import org.apache.directory.api.util.Strings;
31  import org.slf4j.Logger;
32  import org.slf4j.LoggerFactory;
33  
34  
35  /**
36   * The action used to store a IntermediateResponse value
37   * <pre>
38   * IntermediateResponse ::= [APPLICATION 25] SEQUENCE {
39   *     ...
40   *     responseValue [1] OCTET STRING OPTIONAL
41   *     }
42   * </pre>
43   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
44   */
45  public class StoreIntermediateResponseValue extends GrammarAction<LdapMessageContainer<IntermediateResponse>>
46  {
47      /** The logger */
48      private static final Logger LOG = LoggerFactory.getLogger( StoreIntermediateResponseValue.class );
49  
50      /**
51       * Instantiates a new response name action.
52       */
53      public StoreIntermediateResponseValue()
54      {
55          super( "Store response value" );
56      }
57  
58  
59      /**
60       * {@inheritDoc}
61       */
62      public void action( LdapMessageContainer<IntermediateResponse> container ) throws DecoderException
63      {
64          // We can get the IntermediateResponse Object
65          IntermediateResponse intermediateResponse = container.getMessage();
66  
67          // Get the Value and store it in the IntermediateResponse
68          TLV tlv = container.getCurrentTLV();
69  
70          // We have to handle the special case of a 0 length matched
71          // value
72          if ( tlv.getLength() >= 0 )
73          {
74              // let's decode
75              IntermediateOperationFactory intermediateFactory = container.getIntermediateFactory();
76              
77              if ( intermediateFactory != null )
78              {
79                  intermediateFactory.decodeValue( intermediateResponse, tlv.getValue().getData() );
80              }
81              else
82              {
83                  intermediateResponse.setResponseValue( tlv.getValue().getData() );
84              }
85          }
86  
87          // We can have an END transition
88          container.setGrammarEndAllowed( true );
89  
90          if ( LOG.isDebugEnabled() )
91          {
92              LOG.debug( I18n.msg( I18n.MSG_05175_VALUE_READ, Strings.dumpBytes( intermediateResponse.getResponseValue() ) ) );
93          }
94      }
95  }