import java.io.IOException;
import java.net.ServerSocket;

public class Server {
    private ServerSocket serverSocket;
    public Server (ServerSocket serverSocket) {
        this.serverSocket = serverSocket;
    }
    public void startServer() {
        try {
            // Socket socket = serverSocket.accept();
            while (!serverSocket.isClosed()) {
                System.out.println("A new client connected!");
                ClientHandle clientHandle = new ClientHandle(serverSocket.accept());
                Thread thread = new Thread(clientHandle);
                thread.start();
            }
        } catch (IOException e) {
            closeServerSocket();
        } 
    }
    public void closeServerSocket()  {
        if (serverSocket != null) {
            try {
                serverSocket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    public static void main(String[] args) throws IOException {
        ServerSocket serverSocket = new ServerSocket(8512);
        Server server = new Server(serverSocket);
        server.startServer();
    }
}