@Override
  public void handleRequest(HttpServerExchange exchange) throws Exception {
    final String incomingSessionId = servletContext.getSessionConfig().findSessionId(exchange);
    if (incomingSessionId == null || !data.containsKey(incomingSessionId)) {
      next.handleRequest(exchange);
      return;
    }

    // we have some old data
    PersistentSession result = data.remove(incomingSessionId);
    if (result != null) {
      long time = System.currentTimeMillis();
      if (time < result.getExpiration().getTime()) {
        final HttpSessionImpl session = servletContext.getSession(exchange, true);
        final HttpSessionEvent event = new HttpSessionEvent(session);
        for (Map.Entry<String, Object> entry : result.getSessionData().entrySet()) {

          if (entry.getValue() instanceof HttpSessionActivationListener) {
            ((HttpSessionActivationListener) entry.getValue()).sessionDidActivate(event);
          }
          if (entry.getKey().startsWith(HttpSessionImpl.IO_UNDERTOW)) {
            session.getSession().setAttribute(entry.getKey(), entry.getValue());
          } else {
            session.setAttribute(entry.getKey(), entry.getValue());
          }
        }
      }
    }
    next.handleRequest(exchange);
  }