HomeWork 12 Task 2

SimpleServer.java

package HomeWork12;

/*
 * 2. Написать сервер, который будет отправлять пользователю информацию о системе и номер запроса.
 */

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.Properties;

public class SimpleServer {

	public static void main(String[] args) throws IOException {

		Properties p = System.getProperties();
		ServerSocket servSoc = new ServerSocket(8080);
		int count = 0;
		
		System.out.println("START!");
		while (count < 5) {
			Socket socket = servSoc.accept();
			System.out.println("Client connected! " + (++count));

			InputStreamReader is = new InputStreamReader(socket.getInputStream(), StandardCharsets.UTF_8);
			BufferedReader input = new BufferedReader(is);
			PrintWriter output = new PrintWriter(socket.getOutputStream(), true);

			while (!input.ready());

			System.out.println();
			while (input.ready()) {
				System.out.println(input.readLine());
			}

			sendAswer(output, p);
			output.println("Connection No:" + (count));

			System.out.println("Client disconnected!");
		}
		servSoc.close();
	}

	public static void sendAswer(PrintWriter output, Properties p) {
		output.println("HTTP/1.1 200 OK");
		output.println("Content-Type: text/html; charset=utf-8");
		output.println();
		output.println("Server OS: ");
		output.println();
		output.println(p.getProperty("os.name"));
		output.println(p.getProperty("os.arch"));
		output.println(p.getProperty("os.version"));
		output.println();

	}

}