private ITokenGenerator CreateAuth(string granttype)
{
if (!_authTypes.ContainsKey(granttype.ToLower()))
{
throw new NotSupportedException("granttype");
}
ITokenGenerator tokenGenerator = (ITokenGenerator)Activator.CreateInstance(_authTypes[granttype.ToLower()]);
tokenGenerator.DependOn(this.Context);
return(tokenGenerator);
}