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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.server.kerberos.changepwd.io;
21  
22  
23  import java.nio.ByteBuffer;
24  
25  import org.apache.directory.api.asn1.EncoderException;
26  import org.apache.directory.server.kerberos.changepwd.messages.AbstractPasswordMessage;
27  
28  
29  public class ChangePasswordEncoder
30  {
31      public static ByteBuffer encode( AbstractPasswordMessage chngPwdMsg, boolean isTcp ) throws EncoderException
32      {
33          int len = chngPwdMsg.computeLength();
34  
35          ByteBuffer buf;
36          if ( isTcp )
37          {
38              buf = ByteBuffer.allocate( len + 4 );
39              buf.putInt( len );
40          }
41          else
42          {
43              buf = ByteBuffer.allocate( len );
44          }
45  
46          buf = chngPwdMsg.encode( buf );
47          buf.flip();
48  
49          return buf;
50      }
51  }