private void parseSubmission(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        try {

            ByteArrayOutputStream buffer = new ByteArrayOutputStream();

            int nRead;
            byte[] buff = new byte[1024];

            while ((nRead = req.getInputStream().read(buff, 0, buff.length)) != -1) {
                buffer.write(buff, 0, nRead);
            }

            buffer.flush();
            byte[] data = buffer.toByteArray();

            StiPdfFormSubmission submission = new StiPdfFormSubmission();
            submission.parseXFDF(data);

            System.out.println("All data");
            TreeSet<String> sortedList = new TreeSet<String>(submission.getData().keySet());
            for (String key : sortedList) {
                System.out.println(key + ": " + submission.getData().get(key));
            }

            System.out.println("Customer Name: " + submission.getStringValue("CustomerName"));
            System.out.println("Email: " + submission.getStringValue("CustomerEmail"));
            System.out.println("Adress street: " + submission.getStringValue("CustomerAddress.StreetAddress"));
            System.out.println("Adress city: " + submission.getStringValue("CustomerAddress.City"));
            System.out.println("Order date: " + submission.getDateTimeBoxValue("OrderDate", "MM/dd/yyyy"));
            System.out.println("Order number: " + submission.getDoubleValue("OrderNumber"));
            System.out.println("Delivery method: " + submission.getSingleSelectionValue("DeliveryMethod"));
            System.out.println("Payment type: " + submission.getSingleSelectionValue("PaymentType"));

            String tableName = "OrderItems";
            int rowsCount = submission.getTableRowsCount(tableName);
            int columnsCount = submission.getTableColumnsCount(tableName);
            for (int y = 0; y < rowsCount; y++) {
                for (int x = 0; x < columnsCount; x++) {
                    System.out.print(submission.getTableFieldValue(tableName, x, y) + "|");
                }
                System.out.println("");
            }

            for (int i = 0; i < 3; i++) {
                System.out.println("Total " + i + ": " + submission.getTableTotalFieldValue(tableName, i));
            }

        } catch (Exception e) {
            e.printStackTrace();
        }

        resp.setHeader("Access-Control-Allow-Origin", "*");
        resp.setStatus(HttpServletResponse.SC_OK);

        // If from Adobe Acrobat - return PDF response
        List<String> headers = Collections.list(req.getHeaderNames());
        if (String.join("", headers).contains("acrobat")) {
        // Serialized form data omitted for clarity.
            byte[] pdfBytes = Base64.getDecoder().decode(pdfFile);
            resp.getOutputStream().write(pdfBytes);
        }

    }

}