@Override
 protected void onBeforeRender() {
   super.onBeforeRender();
   final String rawInput = form.numberTextField.getRawInput();
   if (StringUtils.isNotEmpty(rawInput) == true) {
     form.setPhoneNumber(rawInput);
   }
   processPhoneNumber();
   form.numberTextField.modelChanged();
 }
 @Override
 protected void onAfterRender() {
   super.onAfterRender();
   result = null;
 }