textinputNotEmptyText.setText(" Not Empty, and with spaces ");
textinputNotEmptyText.setValidator(new NotEmptyTextValidator());
// validate any empty text, edge case
textinputEmptyText.setText(" ");
textinputEmptyText.setValidator(new EmptyTextValidator());
window.setTitle("Text Input Validator Test");
window.setMaximized(true);
window.open(display);