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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.api.ldap.codec.actions.bindRequest;
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.codec.decorators.BindRequestDecorator;
29  import org.apache.directory.api.ldap.model.message.BindRequest;
30  import org.apache.directory.api.ldap.model.message.BindRequestImpl;
31  import org.slf4j.Logger;
32  import org.slf4j.LoggerFactory;
33  
34  
35  /**
36   * The action used to initialize the BindRequest
37   * <pre>
38   * LdapMessage ::= ... BindRequest ...
39   * BindRequest ::= [APPLICATION 0] SEQUENCE { ...
40   * </pre>
41   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
42   */
43  public class InitBindRequest extends GrammarAction<LdapMessageContainer<BindRequestDecorator>>
44  {
45      /** The logger */
46      private static final Logger LOG = LoggerFactory.getLogger( InitBindRequest.class );
47  
48  
49      /**
50       * Instantiates a new action.
51       */
52      public InitBindRequest()
53      {
54          super( "Init BindRequest" );
55      }
56  
57  
58      /**
59       * {@inheritDoc}
60       */
61      public void action( LdapMessageContainer<BindRequestDecorator> container ) throws DecoderException
62      {
63          // Create the BindRequest LdapMessage instance and store it in the container
64          BindRequest internalBindRequest = new BindRequestImpl();
65          internalBindRequest.setMessageId( container.getMessageId() );
66          BindRequestDecorator bindRequest = new BindRequestDecorator(
67              container.getLdapCodecService(), internalBindRequest );
68          container.setMessage( bindRequest );
69  
70          // We will check that the request is not null
71          TLV tlv = container.getCurrentTLV();
72  
73          if ( tlv.getLength() == 0 )
74          {
75              String msg = I18n.err( I18n.ERR_04077 );
76              LOG.error( msg );
77  
78              // This will generate a PROTOCOL_ERROR
79              throw new DecoderException( msg );
80          }
81      }
82  }