001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.mina.filter.codec.demux; 021 022import org.apache.mina.core.session.IoSession; 023import org.apache.mina.filter.codec.ProtocolCodecFactory; 024import org.apache.mina.filter.codec.ProtocolDecoder; 025import org.apache.mina.filter.codec.ProtocolEncoder; 026 027/** 028 * A convenience {@link ProtocolCodecFactory} that provides {@link DemuxingProtocolEncoder} 029 * and {@link DemuxingProtocolDecoder} as a pair. 030 * <p> 031 * {@link DemuxingProtocolEncoder} and {@link DemuxingProtocolDecoder} demultiplex 032 * incoming messages and buffers to appropriate {@link MessageEncoder}s and 033 * {@link MessageDecoder}s. 034 * 035 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 036 */ 037public class DemuxingProtocolCodecFactory implements ProtocolCodecFactory { 038 039 private final DemuxingProtocolEncoder encoder = new DemuxingProtocolEncoder(); 040 041 private final DemuxingProtocolDecoder decoder = new DemuxingProtocolDecoder(); 042 043 public DemuxingProtocolCodecFactory() { 044 // Do nothing 045 } 046 047 /** 048 * {@inheritDoc} 049 */ 050 public ProtocolEncoder getEncoder(IoSession session) throws Exception { 051 return encoder; 052 } 053 054 /** 055 * {@inheritDoc} 056 */ 057 public ProtocolDecoder getDecoder(IoSession session) throws Exception { 058 return decoder; 059 } 060 061 public void addMessageEncoder(Class<?> messageType, Class<? extends MessageEncoder> encoderClass) { 062 this.encoder.addMessageEncoder(messageType, encoderClass); 063 } 064 065 public <T> void addMessageEncoder(Class<T> messageType, MessageEncoder<? super T> encoder) { 066 this.encoder.addMessageEncoder(messageType, encoder); 067 } 068 069 public <T> void addMessageEncoder(Class<T> messageType, MessageEncoderFactory<? super T> factory) { 070 this.encoder.addMessageEncoder(messageType, factory); 071 } 072 073 public void addMessageEncoder(Iterable<Class<?>> messageTypes, Class<? extends MessageEncoder> encoderClass) { 074 for (Class<?> messageType : messageTypes) { 075 addMessageEncoder(messageType, encoderClass); 076 } 077 } 078 079 public <T> void addMessageEncoder(Iterable<Class<? extends T>> messageTypes, MessageEncoder<? super T> encoder) { 080 for (Class<? extends T> messageType : messageTypes) { 081 addMessageEncoder(messageType, encoder); 082 } 083 } 084 085 public <T> void addMessageEncoder(Iterable<Class<? extends T>> messageTypes, 086 MessageEncoderFactory<? super T> factory) { 087 for (Class<? extends T> messageType : messageTypes) { 088 addMessageEncoder(messageType, factory); 089 } 090 } 091 092 public void addMessageDecoder(Class<? extends MessageDecoder> decoderClass) { 093 this.decoder.addMessageDecoder(decoderClass); 094 } 095 096 public void addMessageDecoder(MessageDecoder decoder) { 097 this.decoder.addMessageDecoder(decoder); 098 } 099 100 public void addMessageDecoder(MessageDecoderFactory factory) { 101 this.decoder.addMessageDecoder(factory); 102 } 103}