private IDictionary CreateNewDictionary(JsonReader reader, JsonDictionaryContract contract, out bool createdFromNonDefaultCreator)
        {
            if (contract.IsReadOnlyOrFixedSize)
            {
                createdFromNonDefaultCreator = true;
                return contract.CreateTemporaryDictionary();
            }
            else if (contract.DefaultCreator != null && (!contract.DefaultCreatorNonPublic || Serializer._constructorHandling == ConstructorHandling.AllowNonPublicDefaultConstructor))
            {
                object dictionary = contract.DefaultCreator();

                if (contract.ShouldCreateWrapper)
                    dictionary = contract.CreateWrapper(dictionary);

                createdFromNonDefaultCreator = false;
                return (IDictionary)dictionary;
            }
            else if (contract.HasParametrizedCreator)
            {
                createdFromNonDefaultCreator = true;
                return contract.CreateTemporaryDictionary();
            }
            else
            {
                if (!contract.IsInstantiable)
                    throw JsonSerializationException.Create(reader, "Could not create an instance of type {0}. Type is an interface or abstract class and cannot be instantiated.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));

                throw JsonSerializationException.Create(reader, "Unable to find a default constructor to use for type {0}.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));
            }
        }
示例#2
0
        private void SerializeValue(JsonWriter writer, object value, JsonContract valueContract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
        {
            if (value == null)
            {
                writer.WriteNull();
                return;
            }

            JsonConverter converter =
                ((member != null) ? member.Converter : null) ??
                ((containerProperty != null) ? containerProperty.ItemConverter : null) ??
                ((containerContract != null) ? containerContract.ItemConverter : null) ??
                valueContract.Converter ??
                JsonConverterCache.GetMatchingConverter(_internalConverters, valueContract.UnderlyingType) ??
                valueContract.InternalConverter;

            if (converter != null && converter.CanWrite)
            {
                SerializeConvertable(writer, converter, value, valueContract, containerContract, containerProperty);
                return;
            }

            switch (valueContract.ContractType)
            {
            case JsonContractType.Object:
                SerializeObject(writer, value, (JsonObjectContract)valueContract, member, containerContract, containerProperty);
                break;

            case JsonContractType.Array:
                JsonArrayContract arrayContract = (JsonArrayContract)valueContract;
                if (!arrayContract.IsMultidimensionalArray)
                {
                    SerializeList(writer, (IEnumerable)value, arrayContract, member, containerContract, containerProperty);
                }
                else
                {
                    SerializeMultidimensionalArray(writer, (Array)value, arrayContract, member, containerContract, containerProperty);
                }
                break;

            case JsonContractType.Primitive:
                SerializePrimitive(writer, value, (JsonPrimitiveContract)valueContract, member, containerContract, containerProperty);
                break;

            case JsonContractType.String:
                SerializeString(writer, value, (JsonStringContract)valueContract);
                break;

            case JsonContractType.Dictionary:
                JsonDictionaryContract dictionaryContract = (JsonDictionaryContract)valueContract;
                SerializeDictionary(writer, (value is IDictionary) ? (IDictionary)value : dictionaryContract.CreateWrapper(value), dictionaryContract, member, containerContract, containerProperty);
                break;

#if !(NET35 || NET20 || PORTABLE40)
            case JsonContractType.Dynamic:
                SerializeDynamic(writer, (IDynamicMetaObjectProvider)value, (JsonDynamicContract)valueContract, member, containerContract, containerProperty);
                break;
#endif
#if !(NETFX_CORE || PORTABLE40 || PORTABLE)
            case JsonContractType.Serializable:
                SerializeISerializable(writer, (ISerializable)value, (JsonISerializableContract)valueContract, member, containerContract, containerProperty);
                break;
#endif
            case JsonContractType.Linq:
                ((JToken)value).WriteTo(writer, _internalConverters);
                break;
            }
        }
示例#3
0
        private void SerializeValue(JsonWriter writer, object value, JsonContract valueContract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
        {
            if (value == null)
            {
                writer.WriteNull();
                return;
            }

            JsonConverter converter;

            if ((((converter = (member != null) ? member.Converter : null) != null) ||
                 ((converter = (containerProperty != null) ? containerProperty.ItemConverter : null) != null) ||
                 ((converter = (containerContract != null) ? containerContract.ItemConverter : null) != null) ||
                 ((converter = valueContract.Converter) != null) ||
                 ((converter = Serializer.GetMatchingConverter(valueContract.UnderlyingType)) != null) ||
                 ((converter = valueContract.InternalConverter) != null)) &&
                converter.CanWrite)
            {
                SerializeConvertable(writer, converter, value, valueContract, containerContract, containerProperty);
                return;
            }

            switch (valueContract.ContractType)
            {
            case JsonContractType.Object:
                SerializeObject(writer, value, (JsonObjectContract)valueContract, member, containerContract, containerProperty);
                break;

            case JsonContractType.Array:
                JsonArrayContract arrayContract = (JsonArrayContract)valueContract;
                SerializeList(writer, arrayContract.CreateWrapper(value), arrayContract, member, containerContract, containerProperty);
                break;

            case JsonContractType.Primitive:
                SerializePrimitive(writer, value, (JsonPrimitiveContract)valueContract, member, containerContract, containerProperty);
                break;

            case JsonContractType.String:
                SerializeString(writer, value, (JsonStringContract)valueContract);
                break;

            case JsonContractType.Dictionary:
                JsonDictionaryContract dictionaryContract = (JsonDictionaryContract)valueContract;
                SerializeDictionary(writer, dictionaryContract.CreateWrapper(value), dictionaryContract, member, containerContract, containerProperty);
                break;

#if !(NET35 || NET20 || WINDOWS_PHONE || PORTABLE)
            case JsonContractType.Dynamic:
                SerializeDynamic(writer, (IDynamicMetaObjectProvider)value, (JsonDynamicContract)valueContract, member, containerContract, containerProperty);
                break;
#endif
#if !(SILVERLIGHT || NETFX_CORE || PORTABLE)
            case JsonContractType.Serializable:
                SerializeISerializable(writer, (ISerializable)value, (JsonISerializableContract)valueContract, member, containerContract, containerProperty);
                break;
#endif
            case JsonContractType.Linq:
                ((JToken)value).WriteTo(writer, (Serializer.Converters != null) ? Serializer.Converters.ToArray() : null);
                break;
            }
        }