MainClass.java Source code

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Here is the source code for MainClass.java

Source

import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;

/**
 * Test non-blocking accept() using ServerSocketChannel.
 */
public class MainClass {
    public static final String GREETING = "Hello I must be going.\r\n";

    public static void main(String[] argv) throws Exception {
        int port = 1234; // default

        ByteBuffer buffer = ByteBuffer.wrap(GREETING.getBytes());
        ServerSocketChannel ssc = ServerSocketChannel.open();

        ssc.socket().bind(new InetSocketAddress(port));
        ssc.configureBlocking(false);

        while (true) {
            System.out.println("Waiting for connections");

            SocketChannel sc = ssc.accept();

            if (sc == null) {
                Thread.sleep(2000);
            } else {
                System.out.println("Incoming connection from: " + sc.socket().getRemoteSocketAddress());

                buffer.rewind();
                sc.write(buffer);
                sc.close();
            }
        }
    }
}