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.example.imagine.step1.codec;
021
022import org.apache.mina.filter.codec.ProtocolCodecFactory;
023import org.apache.mina.filter.codec.ProtocolEncoder;
024import org.apache.mina.filter.codec.ProtocolDecoder;
025import org.apache.mina.core.session.IoSession;
026
027/**
028 * a {@link ProtocolCodecFactory} for the tutorial on how to write a protocol codec
029 *
030 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
031 */
032
033public class ImageCodecFactory implements ProtocolCodecFactory {
034    private ProtocolEncoder encoder;
035    private ProtocolDecoder decoder;
036
037    public ImageCodecFactory(boolean client) {
038        if (client) {
039            encoder = new ImageRequestEncoder();
040            decoder = new ImageResponseDecoder();
041        } else {
042            encoder = new ImageResponseEncoder();
043            decoder = new ImageRequestDecoder();
044        }
045    }
046
047    public ProtocolEncoder getEncoder(IoSession ioSession) throws Exception {
048        return encoder;
049    }
050
051    public ProtocolDecoder getDecoder(IoSession ioSession) throws Exception {
052        return decoder;
053    }
054}