void deleteRoute(String routeUrl) throws IOException {
Delete request = prepareDelete(routeUrl);
String result = request.executeAsString();
if (request.isUnAuthorized())
throw new UnAuthorizedException("Cannot delete route", routeUrl);
if (request.isNotFound())
throw new NotFoundException("Cannot delete route", routeUrl);
if (request.isForbidden())
throw new NotOwnerException("Cannot delete route", routeUrl);
if (!request.isSuccessful())