コード例 #1
0
        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
            if (value == null)
            {
                writer.WriteNull();
                return;
            }

            var objectType = value.GetType();

            if (TypesDiscriminatorValues.FallbackType != null && objectType == TypesDiscriminatorValues.FallbackType)
            {
                _isInWrite.Value = true;
                try
                {
                    serializer.Serialize(writer, value, objectType);
                }
                finally
                {
                    _isInWrite.Value = false;
                }

                return;
            }

            if (TypesDiscriminatorValues.TryGetDiscriminator(objectType, out var discriminator))
            {
                _isInWrite.Value = true;

                var writerProxy = new JsonKnownProxyWriter(TypesDiscriminatorValues.FieldName, discriminator, writer);

                try
                {
                    serializer.Serialize(writerProxy, value, objectType);
                }
                finally
                {
                    _isInWrite.Value = false;
                }
            }
            else
            {
                throw new JsonKnownTypesException($"There is no discriminator for {objectType.Name} type");
            }
        }
コード例 #2
0
        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
            if (value == null)
            {
                writer.WriteNull();
                return;
            }

            var objectType = value.GetType();

            if (_typesDiscriminatorValues.FallbackType != null && objectType == _typesDiscriminatorValues.FallbackType)
            {
                _isInWrite.Value = true;

                try
                {
                    serializer.Serialize(writer, value, objectType);
                    return;
                }
                finally
                {
                    _isInWrite.Value = false;
                }
            }

            if (TryGetDiscriminator(objectType, _typesDiscriminatorValues.UseBaseTypeDescriminators, out var discriminator))
            {
                try
                {
                    _isInWrite.Value = true;

                    var writerProxy = new JsonKnownProxyWriter(_typesDiscriminatorValues.FieldName, discriminator, writer);
                    serializer.Serialize(writerProxy, value, objectType);
                }
                finally
                {
                    _isInWrite.Value = false;
                }
            }
            else
            {
                throw new JsonKnownTypesException($"There is no discriminator for {objectType.Name} type. If {objectType.Name} is derived from a type that provides a discriminator value then you can try adding 'UseBaseTypeDescriminators = true' to the 'JsonDiscriminator' attribute for the type '{typeof(T).Name}'");
            }
        }