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.tapedeck;
021
022import java.net.InetSocketAddress;
023
024import org.apache.mina.core.service.IoHandler;
025import org.apache.mina.filter.codec.ProtocolCodecFilter;
026import org.apache.mina.filter.codec.textline.TextLineEncoder;
027import org.apache.mina.filter.logging.LoggingFilter;
028import org.apache.mina.statemachine.StateMachine;
029import org.apache.mina.statemachine.StateMachineFactory;
030import org.apache.mina.statemachine.StateMachineProxyBuilder;
031import org.apache.mina.statemachine.annotation.IoHandlerTransition;
032import org.apache.mina.statemachine.context.IoSessionStateContextLookup;
033import org.apache.mina.statemachine.context.StateContext;
034import org.apache.mina.statemachine.context.StateContextFactory;
035import org.apache.mina.transport.socket.SocketAcceptor;
036import org.apache.mina.transport.socket.nio.NioSocketAcceptor;
037
038/**
039 * Simple example demonstrating how to build a state machine for MINA's 
040 * {@link IoHandler} interface.
041 *
042 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
043 */
044public class Main {
045    /** Choose your favorite port number. */
046    private static final int PORT = 12345;
047    
048    private static IoHandler createIoHandler() {
049        StateMachine sm = StateMachineFactory.getInstance(
050                IoHandlerTransition.class).create(TapeDeckServer.EMPTY,
051                new TapeDeckServer());
052
053        return new StateMachineProxyBuilder().setStateContextLookup(
054                new IoSessionStateContextLookup(new StateContextFactory() {
055                    public StateContext create() {
056                        return new TapeDeckServer.TapeDeckContext();
057                    }
058                })).create(IoHandler.class, sm);
059    }
060    
061    public static void main(String[] args) throws Exception {
062        SocketAcceptor acceptor = new NioSocketAcceptor();
063        acceptor.setReuseAddress(true);
064        ProtocolCodecFilter pcf = new ProtocolCodecFilter(
065                new TextLineEncoder(), new CommandDecoder());
066        acceptor.getFilterChain().addLast("log1", new LoggingFilter("log1"));
067        acceptor.getFilterChain().addLast("codec", pcf);
068        acceptor.getFilterChain().addLast("log2", new LoggingFilter("log2"));
069        acceptor.setHandler(createIoHandler());
070        acceptor.bind(new InetSocketAddress(PORT));
071    }
072}