public void SaveLicense(string productName, ProductLicense license)
{
if (String.IsNullOrEmpty(productName))
{
throw new ArgumentNullException("ProductName is null or empty.");
}
if (license == null)
{
throw new ArgumentNullException("ProductLicense is null.");
}
if (license.LicenseInfo == null)
{
throw new InvalidOperationException("ProductLicense is not valid and can't be saved.");
}
_licenseStore.SaveLicense(productName, license.LicenseInfo);
}