code: @Override
      public void handleProgressNotification(final ProgressNotification pn) {
          if (this.jrebirthInitialized && pn.getProgress() >= 0.0 && pn.getProgress() <= 1.0) {
              this.progressBar.setProgress(pn.getProgress());
          } else {
              this.messageText.setText(getMessageFromCode((int) pn.getProgress()));
          }
      }
docs: {@inheritDoc}