private static VboxPortType getPortType(String url) {
    if (null == port) {
      VboxService svc = new VboxService();
      port = svc.getVboxServicePort();
      ((BindingProvider) port)
          .getRequestContext()
          .put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, url);
    }

    return port;
  }
  private static VboxPortType getPortType() {
    if (null == port) {
      VboxService svc = new VboxService();
      port = svc.getVboxServicePort();
      ((BindingProvider) port)
          .getRequestContext()
          .put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, "http://localhost:18083/");
    }

    return port;
  }