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.protocol;
22
23
24 import org.apache.mina.filter.codec.ProtocolCodecFactory;
25 import org.apache.mina.filter.codec.ProtocolDecoder;
26 import org.apache.mina.filter.codec.ProtocolEncoder;
27
28
29 /**
30 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
31 * @version $Rev: 545041 $, $Date: 2007-06-06 20:31:34 -0700 (Wed, 06 Jun 2007) $
32 */
33 public class DnsProtocolTcpCodecFactory implements ProtocolCodecFactory
34 {
35 private static final DnsProtocolTcpCodecFactory INSTANCE = new DnsProtocolTcpCodecFactory();
36
37
38 /**
39 * Returns the singleton instance of {@link DnsProtocolTcpCodecFactory}.
40 *
41 * @return The singleton instance of {@link DnsProtocolTcpCodecFactory}.
42 */
43 public static DnsProtocolTcpCodecFactory getInstance()
44 {
45 return INSTANCE;
46 }
47
48
49 private DnsProtocolTcpCodecFactory()
50 {
51 // Private constructor prevents instantiation outside this class.
52 }
53
54
55 public ProtocolEncoder getEncoder()
56 {
57 // Create a new encoder.
58 return new DnsTcpEncoder();
59 }
60
61
62 public ProtocolDecoder getDecoder()
63 {
64 // Create a new decoder.
65 return new DnsTcpDecoder();
66 }
67 }