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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.controls.search.pagedSearch;
21  
22  
23  import org.apache.directory.api.asn1.DecoderException;
24  import org.apache.directory.api.asn1.ber.tlv.BerValue;
25  import org.apache.directory.api.asn1.util.Asn1Buffer;
26  import org.apache.directory.api.ldap.codec.api.AbstractControlFactory;
27  import org.apache.directory.api.ldap.codec.api.ControlFactory;
28  import org.apache.directory.api.ldap.codec.api.LdapApiService;
29  import org.apache.directory.api.ldap.model.message.Control;
30  import org.apache.directory.api.ldap.model.message.controls.PagedResults;
31  import org.apache.directory.api.ldap.model.message.controls.PagedResultsImpl;
32  
33  
34  /**
35   * A {@link ControlFactory} for {@link PagedResults} controls.
36   *
37   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
38   * @version $Rev$, $Date$
39   */
40  public class PagedResultsFactory extends AbstractControlFactory<PagedResults>
41  {
42      /**
43       * Creates a new instance of PagedResultsFactory.
44       *
45       * @param codec The LDAP codec.
46       */
47      public PagedResultsFactory( LdapApiService codec )
48      {
49          super( codec, PagedResults.OID );
50      }
51  
52  
53      /**
54       * {@inheritDoc}
55       */
56      @Override
57      public PagedResults newControl()
58      {
59          return new PagedResultsImpl();
60      }
61  
62  
63      /**
64       * {@inheritDoc}
65       */
66      @Override
67      public void encodeValue( Asn1Buffer buffer, Control control )
68      {
69          int start = buffer.getPos();
70  
71          // The cookie
72          BerValue.encodeOctetString( buffer, ( ( PagedResults ) control ).getCookie() );
73  
74          // The size
75          BerValue.encodeInteger( buffer, ( ( PagedResults ) control ).getSize() );
76  
77          // The sequence
78          BerValue.encodeSequence( buffer, start );
79      }
80  
81  
82      /**
83       * {@inheritDoc}
84       */
85      @Override
86      public void decodeValue( Control control, byte[] controlBytes ) throws DecoderException
87      {
88          decodeValue( new PagedResultsContainer( control ), control, controlBytes );
89      }
90  }