(AccessControllerResolver) selector.select(
AccessControllerResolver.DEFAULT_RESOLVER);
getLogger().debug("Resolved AC resolver [" + resolver + "]");
String webappUrl = ServletHelper.getWebappURI(request);
accessController = resolver.resolveAccessController(webappUrl);
if (accessController == null) {
result = Collections.EMPTY_MAP;
} else {
accessController.setupIdentity(request);