RestManager::checkMethodName

private function checkMethodName($methodName)
{
	if($methodName === CRestUtil::METHOD_DOWNLOAD || $methodName === CRestUtil::METHOD_UPLOAD)
	{
		return $this;
	}
	$parts = explode('.', $methodName);
	if($parts[0] !== Driver::INTERNAL_MODULE_ID || count($parts) !== 3)
	{
		throw new RestException(
			"Method '{$methodName}' is not supported in current context.",
			RestException::ERROR_METHOD_NOT_FOUND
		);
	}

	return $this;
}