private function getFilePath($controller = false, $action = false){
		$controller = $controller ?: $this->_controller;
		$action = $action ?: $this->_action;

		$cacheFileName = $this->generateFileName($controller, $action);

		$path = $this->getAssetsUrl() . DIRECTORY_SEPARATOR . $this->folder . DIRECTORY_SEPARATOR . $cacheFileName;

		return $path;
	}