gistfile1.java

    
    @FXML
    private void switchService () {
        if (isRunning) {
            serverController.stopService();
            isRunning = false;
            
            Platform.runLater(new Runnable() {
                @Override
                public void run() {
                    switchButton.setText("Start");
                }
            });
        } else {
            serverController.startService();
            isRunning = true;
            
            Platform.runLater(new Runnable() {
                @Override
                public void run() {
                    switchButton.setText("Stop");
                }
            });
        }
    }