Bug 292170 [CSS] Missing license headers in org.eclipse.e4.ui.css.legacy and org.eclipse.e4.ui.examples.css.rcp
Will fix this after M1 is declared.
examples/org.eclipse.e4.ui.examples.css.rcp/src/org/eclipse/e4/ui/examples/css/rcp/ApplicationWorkbenchAdvisor.java
super.initialize(configurer);
		engine = initializeStyling();
	}
	
	private CSSEngine initializeStyling() {
		
		Display display = Display.getDefault();
		CSSEngine engine = new CSSSWTEngineImpl(display, true);
		
		
		display.setData("org.eclipse.e4.ui.css.core.engine", engine);
		
		engine.setErrorHandler(new CSSErrorHandler() {
			public void error(Exception e) {
				e.printStackTrace();
			}
		});
		
		try {
			URL url = FileLocator.find(Activator.getDefault().getBundle(), new Path(STYLE_SHEET_PATH), null);
			InputStream stream = url.openStream();
			engine.parseStyleSheet(stream);	
			stream.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return engine;
	}
}