private void displayMessage(final String message) {
if (message != null && !message.isEmpty()) {
messageDisplay.setHTML(wrapDisplayMessage(message));
messageDisplay.setVisible(true);
} else {
messageDisplay.setVisible(false);
}
}
private void initMessage(final String message) {
final RootPanel messagePanel = RootPanel.get("messagePlaceholder");
messageDisplay.setVisible(false);
messagePanel.add(messageDisplay);
displayMessage(message);
}