sendButton.setEnabled(false);
textToServerLabel.setText(textToServer);
serverResponseLabel.setText("");
if (checkBox.getValue()) {
InputDTO input = new InputDTO();
input.setName(textToServer);
input.setBigBoss(checkBox.getValue());
greetingService.greetServerWithRole(input, new AsyncCallback<String>() {
@Override
public void onFailure(Throwable caught) {