public class Activator implements BundleActivator {
public void start(final BundleContext context) throws Exception {
registerClasspathUrlHandler(context);
context.registerService(IControllerExtensionProvider.class.getName(), new IControllerExtensionProvider() {
public void installExtension(Controller controller) {
WorkspaceController.install(controller);
UserAccountController.install(controller);
LogUtils.info("Workspace controller installed.");
startControllerExtensions(context, controller);