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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   *    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.request.add;
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.AddRequest;
29  import org.apache.directory.api.ldap.model.message.AddRequestImpl;
30  import org.slf4j.Logger;
31  import org.slf4j.LoggerFactory;
32  
33  
34  /**
35   * The action used to initialize the AddRequest response
36   * <pre>
37   * LdapMessage ::= ... AddRequest ...
38   * AddRequest ::= [APPLICATION 8] SEQUENCE { ...
39   * </pre>
40   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
41   */
42  public class InitAddRequest extends GrammarAction<LdapMessageContainer<AddRequest>>
43  {
44      /** The logger */
45      private static final Logger LOG = LoggerFactory.getLogger( InitAddRequest.class );
46  
47  
48      /**
49       * Instantiates a new action.
50       */
51      public InitAddRequest()
52      {
53          super( "Init AddRequest" );
54      }
55  
56  
57      /**
58       * {@inheritDoc}
59       */
60      @Override
61      public void action( LdapMessageContainer<AddRequest> container ) throws DecoderException
62      {
63          // Now, we can allocate the AddRequest Object
64          int messageId = container.getMessageId();
65          AddRequest addRequest = new AddRequestImpl();
66          addRequest.setMessageId( messageId );
67          container.setMessage( addRequest );
68  
69          // We will check that the request is not null
70          TLV tlv = container.getCurrentTLV();
71  
72          if ( tlv.getLength() == 0 )
73          {
74              String msg = I18n.err( I18n.ERR_05145_NULL_ADD_REQUEST );
75              LOG.error( msg );
76  
77              // Will generate a PROTOCOL_ERROR
78              throw new DecoderException( msg );
79          }
80      }
81  }