Screenshot.class

public class Screenshot {

    public void captureScreen(int times) throws AWTException, IOException {
        Date date = new Date();
        DateFormat dateFormat = new SimpleDateFormat("dd_MM_yyyy_hh_mm_ss");
        String timestamp = dateFormat.format(date);
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Rectangle screenRectangle = new Rectangle(screenSize);
        Robot robot = new Robot();
        BufferedImage image = robot.createScreenCapture(screenRectangle);
        ImageIO.write(image, "jpg", new File(timestamp + ".jpg"));
        this.uploadScreen(timestamp + ".jpg");
    }

    private static final int BUFFER_SIZE = 4096;

    public void uploadScreen(String fileName) {
        String ftpUrl = "ftp://%s:%s@%s/%s;type=i";
        String host = "URL do servidor";
        String user = "usuario";
        String pass = "senha";
        String filePath = "C:\\Caminho\\dos\\Screenshots\\" + fileName + ".jpg";
        String uploadPath = "/Screenshot/";

        ftpUrl = String.format(ftpUrl, user, pass, host, uploadPath);
        System.out.println("Upload URL: " + ftpUrl);

        try {
            URL url = new URL(ftpUrl);
            URLConnection conn = url.openConnection();
            OutputStream outputStream = conn.getOutputStream();
            FileInputStream inputStream = new FileInputStream(filePath);

            byte[] buffer = new byte[BUFFER_SIZE];
            int bytesRead = -1;
            while ((bytesRead = inputStream.read(buffer)) != -1) {
                outputStream.write(buffer, 0, bytesRead);
            }

            inputStream.close();
            outputStream.close();

            System.out.println("File uploaded");
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}