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 }