default String obtainCookieValue(final Cookie cookie, final HttpServletRequest request) {
        return obtainCookieValue(cookie.getValue(), request);
    }
Obtain cookie value.

@param cookie  the cookie
@param request the request
@return the string
api/cas-server-core-api-cookie/src/main/java/org/apereo/cas/web/cookie/CookieValueManager.java