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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.factory;
21  
22  import org.apache.directory.api.asn1.ber.tlv.BerValue;
23  import org.apache.directory.api.asn1.util.Asn1Buffer;
24  import org.apache.directory.api.ldap.codec.api.LdapApiService;
25  import org.apache.directory.api.ldap.codec.api.LdapCodecConstants;
26  import org.apache.directory.api.ldap.model.message.BindResponse;
27  import org.apache.directory.api.ldap.model.message.Message;
28  
29  /**
30   * The BindResponse factory.
31   *
32   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
33   */
34  public final class BindResponseFactory extends ResponseFactory
35  {
36      /** The static instance */
37      public static final BindResponseFactory INSTANCE = new BindResponseFactory();
38  
39      private BindResponseFactory()
40      {
41          super();
42      }
43  
44  
45      /**
46       * Encode the BindResponse message to a PDU.
47       * <br>
48       * BindResponse :
49       * <pre>
50       * 0x61 L1
51       *  |
52       *  +--&gt; LdapResult
53       * [+--0x87 LL serverSaslCreds]
54       * </pre>
55       *
56       * @param codec The LdapApiService instance
57       * @param buffer The buffer where to put the PDU
58       * @param message the BindResponse to encode
59       */
60      @Override
61      public void encodeReverse( LdapApiService codec, Asn1Buffer buffer, Message message )
62      {
63          int start = buffer.getPos();
64          BindResponse bindResponse = ( ( BindResponse ) message );
65  
66          // The serverSASL creds, if any
67          byte[] serverSaslCreds = bindResponse.getServerSaslCreds();
68  
69          if ( serverSaslCreds != null )
70          {
71              BerValue.encodeOctetString( buffer, ( byte ) LdapCodecConstants.SERVER_SASL_CREDENTIAL_TAG,
72                  serverSaslCreds );
73          }
74  
75          // The LDAPResult part
76          encodeLdapResultReverse( buffer, bindResponse.getLdapResult() );
77  
78          // The BindResponse Tag
79          BerValue.encodeSequence( buffer, LdapCodecConstants.BIND_RESPONSE_TAG, start );
80      }
81  }