/// <summary>
/// Gets whether this provider has a standard payload: <see cref="CreatePayload"/> can be called.
/// </summary>
/// <param name="this">This provider.</param>
/// <returns>True if this provider has a payload.</returns>
public static bool HasPayload(this IGenericAuthenticationProvider @this)
{
var t = @this.GetType().GetTypeInfo();
var eI = t.ImplementedInterfaces
.FirstOrDefault(iT => iT.GetTypeInfo().IsGenericType&& iT.GetGenericTypeDefinition() == typeof(IGenericAuthenticationProvider <>));
return(eI != null);
}
/// <summary>
/// Creates an empty payload object. <see cref="HasPayload"/> must be true otherwise
/// an <see cref="InvalidOperationException"/> is thrown.
/// </summary>
/// <param name="this">This provider.</param>
/// <returns>An empty payload object.</returns>
public static object CreatePayload(this IGenericAuthenticationProvider @this)
{
var t = @this.GetType().GetTypeInfo();
var eI = t.ImplementedInterfaces
.FirstOrDefault(iT => iT.GetTypeInfo().IsGenericType&& iT.GetGenericTypeDefinition() == typeof(IGenericAuthenticationProvider <>));
if (eI == null)
{
throw new InvalidOperationException();
}
return(eI.GetMethod(nameof(IGenericAuthenticationProvider <object> .CreatePayload))
.Invoke(@this, Array.Empty <object>()));
}