/// <summary>
/// Deserializes an <see cref="OpenIddictMessage"/> instance.
/// </summary>
/// <param name="reader">The JSON reader.</param>
/// <param name="type">The type of the deserialized instance.</param>
/// <param name="value">The existing <see cref="OpenIddictMessage"/>, if applicable.</param>
/// <param name="serializer">The JSON serializer.</param>
/// <returns>The deserialized <see cref="OpenIddictMessage"/> instance.</returns>
public override object ReadJson(
[NotNull] JsonReader reader, [NotNull] Type type,
[CanBeNull] object value, [CanBeNull] JsonSerializer serializer)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
// Note: OpenIddict primitives are always represented as JSON objects.
var payload = JToken.Load(reader) as JObject;
if (payload == null)
{
throw new JsonSerializationException("An error occurred while reading the JSON payload.");
}
// If no existing value was specified, instantiate a
// new request/response depending on the requested type.
var message = value as OpenIddictMessage;
if (message == null)
{
if (type == typeof(OpenIddictMessage))
{
message = new OpenIddictMessage();
}
else if (type == typeof(OpenIddictRequest))
{
message = new OpenIddictRequest();
}
else if (type == typeof(OpenIddictResponse))
{
message = new OpenIddictResponse();
}
}
if (message != null)
{
foreach (var parameter in payload.Properties())
{
message.AddParameter(parameter.Name, parameter.Value);
}
return(message);
}
throw new ArgumentException("The specified type is not supported.", nameof(type));
}
/// <summary>
/// Deserializes an <see cref="OpenIddictMessage"/> instance.
/// </summary>
/// <param name="reader">The JSON reader.</param>
/// <param name="type">The type of the deserialized instance.</param>
/// <param name="options">The JSON serializer options.</param>
/// <returns>The deserialized <see cref="OpenIddictMessage"/> instance.</returns>
public override OpenIddictMessage Read(ref Utf8JsonReader reader, Type type, JsonSerializerOptions options)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
// Note: OpenIddict primitives are always represented as JSON objects.
var payload = JsonSerializer.Deserialize <JsonElement>(ref reader, options);
if (payload.ValueKind != JsonValueKind.Object)
{
throw new JsonException("An error occurred while reading the JSON payload.");
}
OpenIddictMessage message;
if (type == typeof(OpenIddictMessage))
{
message = new OpenIddictMessage();
}
else if (type == typeof(OpenIddictRequest))
{
message = new OpenIddictRequest();
}
else if (type == typeof(OpenIddictResponse))
{
message = new OpenIddictResponse();
}
else
{
throw new ArgumentException("The specified type is not supported.", nameof(type));
}
foreach (var parameter in payload.EnumerateObject())
{
message.AddParameter(parameter.Name, parameter.Value);
}
return(message);
}
