super.handleRequest();
} else {
final Buffer buffer = new Buffer(0);
final HttpServerResponse res = request.response();
String origin = request.headers().get("ORIGIN");
MultiMap resHeaders = res.headers();
resHeaders.add("Content-Length", String.valueOf(1));
resHeaders.add("Content-Type", "text/plain; charset=UTF-8");
if (origin != null) {
// https://developer.mozilla.org/En/HTTP_Access_Control