public static function getInstance($storeId)
{
$createNewInstance = true;
if (self::$_instance) {
if (self::$_instance->_client && self::$_instance->_clientStoreId == $storeId) {
$createNewInstance = false;
}
}
if ($createNewInstance) {
$instance = new self();
$instance->setKeys($storeId);
try {
$instance->_client = new Zend_XmlRpc_Client($instance->_connect());
} catch (Exception $e) {
throw new AW_Core_Exception(Mage::helper('advancednewsletter')->__('Couldn\'t connect to MailChimp'));
}
$instance->_clientStoreId = $storeId;
self::$_instance = $instance;
}
return self::$_instance;
}
