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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.dns.io.decoder;
22  
23  
24  import java.io.IOException;
25  import java.util.Map;
26  
27  import org.apache.mina.common.ByteBuffer;
28  
29  
30  /**
31   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
32   * @version $Rev$, $Date$
33   */
34  public interface RecordDecoder
35  {
36      /**
37       * Decodes the given length of resource record data into attributes.  The
38       * type and number of attributes depends on the type of the resource record.
39       *
40       * @param byteBuffer
41       * @param length
42       * @return The map of attributes.
43       * @throws IOException
44       */
45      public Map<String, Object> decode( ByteBuffer byteBuffer, short length ) throws IOException;
46  }