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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  
21  package org.apache.directory.server.changepw.io;
22  
23  
24  import java.io.IOException;
25  import java.nio.ByteBuffer;
26  
27  import org.apache.directory.server.changepw.messages.ChangePasswordReply;
28  import org.apache.directory.server.kerberos.shared.io.encoder.ApplicationReplyEncoder;
29  import org.apache.directory.server.kerberos.shared.io.encoder.PrivateMessageEncoder;
30  import org.apache.directory.server.kerberos.shared.messages.application.ApplicationReply;
31  import org.apache.directory.server.kerberos.shared.messages.application.PrivateMessage;
32  
33  
34  /**
35   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
36   * @version $Rev: 546375 $, $Date: 2007-06-12 06:05:00 +0200 (Di, 12 Jun 2007) $
37   */
38  public class ChangePasswordReplyEncoder
39  {
40      private static final int HEADER_LENGTH = 6;
41  
42  
43      /**
44       * Encodes a {@link ChangePasswordReply} into a {@link ByteBuffer}.
45       *
46       * @param buf
47       * @param message
48       * @throws IOException
49       */
50      public void encode( ByteBuffer buf, ChangePasswordReply message ) throws IOException
51      {
52          // Build application reply bytes
53          ApplicationReply appReply = message.getApplicationReply();
54          ApplicationReplyEncoder appEncoder = new ApplicationReplyEncoder();
55          byte[] encodedAppReply = appEncoder.encode( appReply );
56  
57          // Build private message bytes
58          PrivateMessage privateMessage = message.getPrivateMessage();
59          PrivateMessageEncoder privateEncoder = new PrivateMessageEncoder();
60          byte[] privateBytes = privateEncoder.encode( privateMessage );
61  
62          short messageLength = ( short ) ( HEADER_LENGTH + encodedAppReply.length + privateBytes.length );
63  
64          short protocolVersion = 1;
65  
66          buf.putShort( messageLength );
67          buf.putShort( protocolVersion );
68          buf.putShort( ( short ) encodedAppReply.length );
69  
70          buf.put( encodedAppReply );
71          buf.put( privateBytes );
72      }
73  }