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package com.sun.grizzly.samples.echo;

import java.io.IOException;
import java.util.logging.Logger;
import com.sun.grizzly.TransportFactory;
import com.sun.grizzly.filterchain.FilterChainBuilder;
import com.sun.grizzly.filterchain.TransportFilter;
import com.sun.grizzly.nio.transport.TCPNIOTransport;

/**
 * Class initializes and starts the echo server, based on Grizzly 2.0
 *
 * @author Alexey Stashok
 */
public class EchoServer {
    private static final Logger logger = Logger.getLogger(EchoServer.class.getName());

    public static final String HOST = "localhost";
    public static final int PORT = 7777;

    public static void main(String[] args) throws IOException {
        // Create a FilterChain using FilterChainBuilder
        FilterChainBuilder filterChainBuilder = FilterChainBuilder.stateless();
        // Add TransportFilter, which is responsible
        // for reading and writing data to the connection
        filterChainBuilder.add(new TransportFilter());
        filterChainBuilder.add(new EchoFilterAsync());
        
        // Create TCP transport
        TCPNIOTransport transport = TransportFactory.getInstance().createTCPTransport();
        transport.setProcessor(filterChainBuilder.build());
        
        try {
            // binding transport to start listen on certain host and port
            transport.bind(HOST, PORT);

            // start the transport
            transport.start();

            logger.info("Press any key to stop the server...");
            System.in.read();
        } finally {
            logger.info("Stopping transport...");
            // stop the transport
            transport.stop();

            // release TransportManager resources like ThreadPool
            TransportFactory.getInstance().close();
            logger.info("Stopped transport...");
        }
    }
}