Test#getResponseTime

package net.hydrotekz.NetMonitor.pingers.MC;

import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.nio.channels.SocketChannel;

public class Test {

    public static long getResponseTime(String hostAddress, int port) {
        InetAddress inetAddress = null;
        InetSocketAddress socketAddress = null;
        SocketChannel sc = null;
        long timeToRespond = -1;
        long start, stop;

        try {
            inetAddress = InetAddress.getByName(hostAddress);
            socketAddress = new InetSocketAddress(inetAddress, port);

            // Open the channel, set it to non-blocking, initiate connect
            sc = SocketChannel.open();
            sc.configureBlocking(true);
            start = System.nanoTime();
            if (sc.connect(socketAddress)) {
                stop = System.nanoTime();
                timeToRespond = (stop - start)/1000000;
            }

        } catch (Exception e){
            // Quiet error

        } finally {
            try {
                if (sc != null) sc.close();
            } catch (Exception e) {
                // Quiet error
            }
        }
        return timeToRespond;
    }
}