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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.mitosis.service.protocol.codec;
21  
22  
23  import java.nio.charset.Charset;
24  import java.nio.charset.CharsetDecoder;
25  
26  import org.apache.mina.common.ByteBuffer;
27  import org.apache.mina.common.IoSession;
28  import org.apache.mina.filter.codec.ProtocolDecoderOutput;
29  import org.apache.directory.mitosis.service.protocol.Constants;
30  import org.apache.directory.mitosis.service.protocol.message.BaseMessage;
31  import org.apache.directory.mitosis.service.protocol.message.LoginMessage;
32  import org.apache.directory.server.schema.registries.Registries;
33  
34  
35  public class LoginMessageDecoder extends BaseMessageDecoder
36  {
37      private final CharsetDecoder utf8decoder;
38  
39  
40      public LoginMessageDecoder()
41      {
42          super( Constants.LOGIN, 0, 32 );
43          utf8decoder = Charset.forName( "UTF-8" ).newDecoder();
44      }
45  
46  
47      protected BaseMessage decodeBody( Registries registries, int sequence, int bodyLength, ByteBuffer in ) throws Exception
48      {
49          return new LoginMessage( sequence, in.getString( utf8decoder ) );
50      }
51  
52  
53      public void finishDecode( IoSession session, ProtocolDecoderOutput out ) throws Exception
54      {
55      }
56  }