if (filter == null) {
ServletConfig servletConfig = _servlet.getServletConfig();
if (servletConfig instanceof BundleServletConfig) {
BundleServletConfig bundleServletConfig =
(BundleServletConfig)servletConfig;
HttpContext httpContext = bundleServletConfig.getHttpContext();
if (!httpContext.handleSecurity(
(HttpServletRequest)servletRequest,
(HttpServletResponse)servletResponse)) {