simpleserver.java

nio的framework,不需要关注NIO编程的细节,只需要根据几个简单的API就可以使用NIO了.

/*
 * Copyright 2004-2006 the original author or authors.
 *
 * 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 net.sf.cindy.example.simple;

import java.io.IOException;

import net.sf.cindy.Session;
import net.sf.cindy.SessionAcceptor;
import net.sf.cindy.SessionAcceptorHandlerAdapter;
import net.sf.cindy.SessionHandler;
import net.sf.cindy.SessionType;
import net.sf.cindy.session.SessionFactory;

/**
 * Simple TCP/IP services.
 * 
 * @author <a href="[e-mail]">Roger Chen</a>
 * @version $id$
 */
public class SimpleServer {

    public static void main(String[] args) throws IOException {
        startService(7, new EchoHandler(), "Echo service");
        startService(9, new DiscardHandler(), "Discard service");
        startService(13, new DaytimeHandler(), "Daytime service");
        startService(19, new ChargenHandler(), "Chargen service");
    }

    private static void startService(int port, final SessionHandler handler,
            String serviceType) {
        SessionAcceptor acceptor = SessionFactory
                .createSessionAcceptor(SessionType.TCP);
        acceptor.setListenPort(port);
        acceptor.setAcceptorHandler(new SessionAcceptorHandlerAdapter() {

            public void sessionAccepted(SessionAcceptor acceptor,
                    Session session) throws Exception {
                session.setSessionHandler(handler);
                session.start();
            }

        });
        acceptor.start();
        if (acceptor.isStarted())
            System.out.println(serviceType + " listen on "
                    + acceptor.getListenAddress());
    }
}