public override JsonMergePatch <T> Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
var model = new JsonMergePatch <T>();
while (reader.Read())
{
if (reader.TokenType == JsonTokenType.EndObject)
{
return(model); // success: end of object
}
if (reader.TokenType != JsonTokenType.PropertyName)
{
throw new JsonException(); // fail: did not pass through previous property value
}
var key = reader.GetString();
if (string.IsNullOrWhiteSpace(key) || !_members.TryGetValue(key, out var member) || !member.CanRead)
{
continue;
}
var value = JsonSerializer.Deserialize(ref reader, member.Type, options);
model.TrySetPropertyValue(key, value);
}
// fail: passed through JsonTokenType.EndObject
throw new JsonException();
}
public override void Write(Utf8JsonWriter writer, JsonMergePatch <T> value, JsonSerializerOptions options)
{
throw new NotSupportedException("If you hit this error, you're trying to write out the patch, not the model it was applied to!");
}