protected long getLastModified(HttpServletRequest request) {
        final String pi = Https.getThisPathInfo(request);
        if (pi != null && pi.startsWith(ClassWebResource.PATH_PREFIX) && pi.indexOf('*') < 0 //language independent
                && !Servlets.isIncluded(request)) {
            //If a resource extension is registered for the extension, we assume the content is dynamic