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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
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*/
package org.apache.mina.example.tapedeck;
import java.net.InetSocketAddress;
import org.apache.mina.core.filterchain.IoFilter;
import org.apache.mina.core.service.IoHandler;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.textline.TextLineEncoder;
import org.apache.mina.filter.logging.LoggingFilter;
import org.apache.mina.statemachine.StateMachine;
import org.apache.mina.statemachine.StateMachineFactory;
import org.apache.mina.statemachine.StateMachineProxyBuilder;
import org.apache.mina.statemachine.annotation.IoFilterTransition;
import org.apache.mina.statemachine.annotation.IoHandlerTransition;
import org.apache.mina.statemachine.context.IoSessionStateContextLookup;
import org.apache.mina.statemachine.context.StateContext;
import org.apache.mina.statemachine.context.StateContextFactory;
import org.apache.mina.transport.socket.SocketAcceptor;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;
/**
* Simple example demonstrating how to build a state machine for MINA's
* {@link IoHandler} interface.
*
* @author The Apache MINA Project (dev@mina.apache.org)
* @version $Rev: 671827 $, $Date: 2008-06-26 10:49:48 +0200 (Thu, 26 Jun 2008) $
*/
public class Main {
/** Choose your favorite port number. */
private static final int PORT = 12345;
private static IoHandler createIoHandler() {
StateMachine sm = StateMachineFactory.getInstance(
IoHandlerTransition.class).create(TapeDeckServer.EMPTY,
new TapeDeckServer());
return new StateMachineProxyBuilder().setStateContextLookup(
new IoSessionStateContextLookup(new StateContextFactory() {
public StateContext create() {
return new TapeDeckServer.TapeDeckContext();
}
})).create(IoHandler.class, sm);
}
private static IoFilter createAuthenticationIoFilter() {
StateMachine sm = StateMachineFactory.getInstance(
IoFilterTransition.class).create(AuthenticationHandler.START,
new AuthenticationHandler());
return new StateMachineProxyBuilder().setStateContextLookup(
new IoSessionStateContextLookup(new StateContextFactory() {
public StateContext create() {
return new AuthenticationHandler.AuthenticationContext();
}
}, "authContext")).setIgnoreUnhandledEvents(true).setIgnoreStateContextLookupFailure(true).create(
IoFilter.class, sm);
}
public static void main(String[] args) throws Exception {
SocketAcceptor acceptor = new NioSocketAcceptor();
acceptor.setReuseAddress(true);
ProtocolCodecFilter pcf = new ProtocolCodecFilter(
new TextLineEncoder(), new CommandDecoder());
acceptor.getFilterChain().addLast("log1", new LoggingFilter("log1"));
acceptor.getFilterChain().addLast("codec", pcf);
// acceptor.getFilterChain().addLast("authentication", createAuthenticationIoFilter());
acceptor.getFilterChain().addLast("log2", new LoggingFilter("log2"));
acceptor.setHandler(createIoHandler());
acceptor.bind(new InetSocketAddress(PORT));
}
}