Cookie cookie;

        roleSet = buildByCookie(roleQueryHelperImpl, getMockRequest());
        assertEquals(0, roleSet.size());

        cookie = new Cookie("aaa", "bbb");
        getMockRequest().addCookie(cookie);
        try {
            roleSet = buildByCookie(roleQueryHelperImpl, getMockRequest());
            fail();
        } catch (final NullPointerException e) {
            // ok
        }

            cookie.setPath(cookiePath);
        }
        if (cookieSecure != null) {
            cookie.setSecure(cookieSecure);
        }
        LaResponseUtil.getResponse().addCookie(cookie);
    }

    protected String getUserCodeFromCookie(final HttpServletRequest request) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final Cookie[] cookies = request.getCookies();

        if (cookieStore != null) {
            final Cookie[] cookies = getInitParameter(COOKIES_PROPERTY, new Cookie[0], Cookie[].class);
            for (final Cookie cookie : cookies) {
                cookieStore.addCookie(cookie);
            }
        }

        // cookie registry
        final Lookup<CookieSpecProvider> cookieSpecRegistry = buildCookieSpecRegistry();
        if (cookieSpecRegistry != null) {