if (!fessConfig.isWebApiJson()) {
            return false;
        }

        final String servletPath = request.getServletPath();
        return servletPath.startsWith(pathPrefix);
    }

    @Override
    public void process(final HttpServletRequest request, final HttpServletResponse response, final FilterChain chain)
            throws IOException, ServletException {

	if len(apiFunctions) == 0 {
		// Register all api endpoints by default.
		registerAPIRouter(muxRouter)
		return
	}
	// API Router.
	apiRouter := muxRouter.PathPrefix(SlashSeparator).Subrouter()
	// Bucket router.
	bucketRouter := apiRouter.PathPrefix("/{bucket}").Subrouter()

	// All object storage operations are registered as HTTP handlers on `objectAPIHandlers`.

	h := func(f http.HandlerFunc) http.HandlerFunc {
		return collectInternodeStats(httpTraceHdrs(f))
	}

	server := &peerRESTServer{}
	subrouter := router.PathPrefix(peerRESTPrefix).Subrouter()
	subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodHealth).HandlerFunc(h(server.HealthHandler))