@PostConstruct
    public void register() {
        final CorsHandlerFactory factory = ComponentUtil.getCorsHandlerFactory();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        fessConfig.getApiCorsAllowOriginList().forEach(s -> factory.add(s, this));
    }

    /**
     * Processes the CORS request by adding standard CORS headers to the response.