main.java

利用mina框架写的一个通信实例。初学者的一个好教程。

/*
 *   @(#) $Id: Main.java 357871 2005-12-20 01:56:40Z trustin $
 *
 *   Copyright 2004 The Apache Software Foundation
 *
 *   Licensed 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 "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 */
package org.apache.mina.examples.echoserver;

import java.util.Iterator;
import java.util.Set;

import org.apache.mina.common.TransportType;
import org.apache.mina.examples.echoserver.ssl.BogusSSLContextFactory;
import org.apache.mina.io.IoAcceptor;
import org.apache.mina.io.filter.IoLoggingFilter;
import org.apache.mina.io.filter.SSLFilter;
import org.apache.mina.registry.Service;
import org.apache.mina.registry.ServiceRegistry;
import org.apache.mina.registry.SimpleServiceRegistry;

/**
 * (<b>Entry point</b>) Echo server
 * 
 * @author The Apache Directory Project ([e-mail])
 * @version $Rev: 357871 $, $Date: 2005-12-20 10:56:40 +0900 (Tue, 20 Dec 2005) $
 */
public class Main {
	/** Choose your favorite port number. */
	private static final int PORT = 8080;

	/** Set this to true if you want to make the server SSL */
	private static final boolean USE_SSL = false;

	public static void main(String[] args) throws Exception {
		ServiceRegistry registry = new SimpleServiceRegistry();

		// Add SSL filter if SSL is enabled.
		if (USE_SSL) {
			addSSLSupport(registry);
		}

		addLogger(registry);

		// Bind
		Service service = new Service("echo", TransportType.SOCKET, PORT);

		registry.bind(service, new EchoProtocolHandler());

		Set set = registry.getAllServices();
		Iterator iterator = set.iterator();
		while (iterator.hasNext()) {
			System.out.println("service:" + iterator.next());
		}
		System.out.println("Listening on port " + PORT);
	}

	private static void addSSLSupport(ServiceRegistry registry)
			throws Exception {
		SSLFilter sslFilter = new SSLFilter(BogusSSLContextFactory
				.getInstance(true));
		IoAcceptor acceptor = registry.getIoAcceptor(TransportType.SOCKET);
		acceptor.getFilterChain().addLast("sslFilter", sslFilter);
		System.out.println("SSL ON");
	}

	private static void addLogger(ServiceRegistry registry) {
		IoAcceptor acceptor = registry.getIoAcceptor(TransportType.SOCKET);
		acceptor.getFilterChain().addLast("logger", new IoLoggingFilter());
		System.out.println("Logging ON");
	}
}