ServiceBroker sb = getServiceBroker(); ThreadService tsvc = (ThreadService) sb.getService(this, ThreadService.class, null); pluginDisplay = new DisplayWindow(frameModel, xml_url, tsvc);
    public void start() {        frameSetName = (String) getParameter("frame-set");        frameCache = new ArrayList();        newFramesPresent = false;        String specFileName = (String) getParameter("spec-file");//         File xml_file = ConfigFinder.getInstance().locateFile(specFileName);	ClassLoader loader = FrameVisualizerPlugin.class.getClassLoader();	URL xml_url = loader.getResource(specFileName);        frameModel = new FrameModel();        ServiceBroker sb = getServiceBroker();	ThreadService tsvc = (ThreadService)	    sb.getService(this, ThreadService.class, null);        pluginDisplay = new DisplayWindow(frameModel, xml_url, tsvc);        //SwingUtilities.invokeLater(new CreateWindowHelper(xml_file));        super.start();    }