@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.

            propMap.put(API_DASHBOARD_RESPONSE_HEADER_LIST, list);
        }
        return list;
    }

    String getApiCorsAllowOrigin();

    default List<String> getApiCorsAllowOriginList() {
        @SuppressWarnings("unchecked")
        List<String> list = (List<String>) propMap.get(CORS_ALLOW_ORIGIN);
        if (list == null) {
            list = split(getApiCorsAllowOrigin(), "\n")