addBlockoutPeriodRequest.sendRequest( addBlockoutParams.toString(), new RequestCallback() {
@Override
public void onError( Request request, Throwable exception ) {
MessageDialogBox dialogBox =
new MessageDialogBox( Messages.getString( "error" ), exception.toString(), false, false, true ); //$NON-NLS-1$
dialogBox.center();
setDone( false );
}
@Override
public void onResponseReceived( Request request, Response response ) {