import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.net.UnknownHostException;

public class Server {
	public static int port = 81;
		
	Server( GUI g ){
		try {
			while( true ) {
				//vytvoreni noveho serveru na danem portu
				ServerSocket sSocket=new ServerSocket(port);
				//cekame na spojeni od klienta
				Socket socket=sSocket.accept();
				//vytvoreni noveho BufferedReaderu pro cteni
				BufferedReader reader=new BufferedReader(new InputStreamReader(socket.getInputStream()));
				String request;
				/* cteni dokud je spojeni aktivni - pri ukonceni se posila NULL */
				while ((request=reader.readLine())!=null){
					try {
						//System.out.println(request);
						g.textarray.setText( g.textarray.getText() + "\n" + request );
					}
					catch (NumberFormatException e) {
						return ;
					}
				}
				/* pokud prazdny retezec - close */
				if (!sSocket.isClosed())
					sSocket.close();
				//set timeout
				socket.setSoTimeout(100);
			}
		}
		catch (SocketException e) {
			System.err.printf("Connection with client crashed!");
		}
		catch (UnknownHostException e) {
			e.printStackTrace();
		}
		catch (IOException e) {
			e.printStackTrace();
		}
	}
}