import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
 
import java.net.HttpURLConnection;
import java.net.InetSocketAddress;
 
import java.nio.channels.SocketChannel;
import java.nio.charset.Charset;
 
import java.lang.reflect.Field;
 
import java.util.List;
 
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
 
class Handler implements HttpHandler {
    private static final Charset UTF8 = Charset.forName("utf-8");
 
    public void handle(final HttpExchange exchange) throws IOException {
        try {
            Field f = exchange.getClass().getDeclaredField("impl");
            f.setAccessible(true);
            Object obj = f.get(exchange);
            f = obj.getClass().getDeclaredField("connection");
            f.setAccessible(true);
            obj = f.get(obj);
            f = obj.getClass().getDeclaredField("chan");
            f.setAccessible(true);
            SocketChannel chan = (SocketChannel) f.get(obj);
            System.out.println("Remote address: " + chan.getRemoteAddress());
        } catch (Exception e) {
            e.printStackTrace();
        }
        try {
            try (BufferedReader reader = new BufferedReader(
                    new InputStreamReader(exchange.getRequestBody(), UTF8)))
            {
                String s;
                while ((s = reader.readLine()) != null) {
                    System.out.println("Input: " + s);
                }
            }
            exchange.sendResponseHeaders(HttpURLConnection.HTTP_OK, 0);
            try (OutputStream os = exchange.getResponseBody()) {
                for (int j = 0; j < 3; ++j) {
                    os.write(("Lesson #" + (j + 1)).getBytes(UTF8));
                    for (int i = 0; i < 10; ++i) {
                        os.write("I will use Google before asking dumb questions".getBytes(UTF8));
                        Thread.sleep(100);
                    }
                    os.flush();
                }
            }
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}
 
public class Main {
    public static void main(final String[] args) throws Exception {
        HttpServer server = HttpServer.create(new InetSocketAddress(8080), 0);
        server.createContext("/", new Handler());
        server.setExecutor(null);
        server.start();
        Thread.sleep(1000);
	server.stop(0);
    }
}

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