public static function addEndpoint($endpointName, $regionId, $product, $domain)
{
if (null == self::$endpoints) {
self::$endpoints = self::getEndpoints();
}
$endpoint = self::findEndpointByName($endpointName);
if (null == $endpoint) {
self::addEndpoint_($regionId, $product, $domain, $endpoint);
} else {
self::updateEndpoint($regionId, $product, $domain, $endpoint);
}
}
