public void onRequest(IHttpExchange httpExchange) throws IOException, BadMessageException {
System.out.println("WebSockets.onRequest(IHttpExchange)");
IHttpRequest httpRequest = httpExchange.getRequest();
if (httpRequest.getAccept().contains(new ContentType("text/html"))) {
String requestURI = httpRequest.getRequestURI();
if (requestURI.equals("/websocket.html")) {
String page = " <html> \r\n" +
" <head> \r\n" +