code: @Override
  	public void modifyHandshake(ServerEndpointConfig sec, HandshakeRequest request, HandshakeResponse response) {
  		sec.getUserProperties().put(Constants.HANDSHAKEREQUEST, request);
  		super.modifyHandshake(sec, request, response);
  	}
docs: Set user information from open websocket
  
  @param sec
  @param request
  @param response