private void SerializePrimitive(JsonWriter writer, object value, JsonPrimitiveContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
    {
      if (contract.UnderlyingType == typeof (byte[]))
      {
        bool includeTypeDetails = ShouldWriteType(TypeNameHandling.Objects, contract, member, containerContract, containerProperty);
        if (includeTypeDetails)
        {
          writer.WriteStartObject();
          WriteTypeProperty(writer, contract.CreatedType);
          writer.WritePropertyName(JsonTypeReflector.ValuePropertyName);
          writer.WriteValue(value);
          writer.WriteEndObject();
          return;
        }
      }

      writer.WriteValue(value);
    }
		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;
					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 !(SILVERLIGHT || 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, Serializer.Converters.ToArray());
					break;
			}
		}
        private void WriteObjectStart(JsonWriter writer, object value, JsonContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            writer.WriteStartObject();

            bool isReference = ResolveIsReference(contract, member, collectionContract, containerProperty) ?? HasFlag(Serializer._preserveReferencesHandling, PreserveReferencesHandling.Objects);
            // don't make readonly fields the referenced value because they can't be deserialized to
            if (isReference && (member == null || member.Writable))
            {
                WriteReferenceIdProperty(writer, contract.UnderlyingType, value);
            }
            if (ShouldWriteType(TypeNameHandling.Objects, contract, member, collectionContract, containerProperty))
            {
                WriteTypeProperty(writer, contract.UnderlyingType);
            }
        }
    private bool CalculatePropertyDetails(JsonProperty property, ref JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, object target, out bool useExistingValue, out object currentValue, out JsonContract propertyContract, out bool gottenCurrentValue)
    {
      currentValue = null;
      useExistingValue = false;
      propertyContract = null;
      gottenCurrentValue = false;

      if (property.Ignored)
      {
        reader.Skip();
        return true;
      }

      ObjectCreationHandling objectCreationHandling =
        property.ObjectCreationHandling.GetValueOrDefault(Serializer.ObjectCreationHandling);

      if ((objectCreationHandling == ObjectCreationHandling.Auto || objectCreationHandling == ObjectCreationHandling.Reuse)
          && (reader.TokenType == JsonToken.StartArray || reader.TokenType == JsonToken.StartObject)
          && property.Readable)
      {
        currentValue = property.ValueProvider.GetValue(target);
        gottenCurrentValue = true;

        useExistingValue = (currentValue != null
                            && !property.PropertyType.IsArray
                            && !ReflectionUtils.InheritsGenericDefinition(property.PropertyType, typeof (ReadOnlyCollection<>))
                            && !property.PropertyType.IsValueType());
      }

      if (!property.Writable && !useExistingValue)
      {
        reader.Skip();
        return true;
      }

      // test tokentype here because null might not be convertable to some types, e.g. ignoring null when applied to DateTime
      if (property.NullValueHandling.GetValueOrDefault(Serializer.NullValueHandling) == NullValueHandling.Ignore && reader.TokenType == JsonToken.Null)
      {
        reader.Skip();
        return true;
      }

      // test tokentype here because default value might not be convertable to actual type, e.g. default of "" for DateTime
      if (HasFlag(property.DefaultValueHandling.GetValueOrDefault(Serializer.DefaultValueHandling), DefaultValueHandling.Ignore)
          && JsonReader.IsPrimitiveToken(reader.TokenType)
          && MiscellaneousUtils.ValueEquals(reader.Value, property.DefaultValue))
      {
        reader.Skip();
        return true;
      }

      if (property.PropertyContract == null)
        property.PropertyContract = GetContractSafe(property.PropertyType);

      if (currentValue == null)
      {
        propertyContract = property.PropertyContract;
      }
      else
      {
        propertyContract = GetContractSafe(currentValue.GetType());

        if (propertyContract != property.PropertyContract)
          propertyConverter = GetConverter(propertyContract, property.MemberConverter, containerContract, containerProperty);
      }

      return false;
    }
    private bool ReadSpecialProperties(JsonReader reader, ref Type objectType, ref JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, object existingValue, out object newValue, out string id)
    {
      id = null;
      newValue = null;

      if (reader.TokenType == JsonToken.PropertyName)
      {
        string propertyName = reader.Value.ToString();

        if (propertyName.Length > 0 && propertyName[0] == '$')
        {
          // read 'special' properties
          // $type, $id, $ref, etc
          bool specialProperty;

          do
          {
            propertyName = reader.Value.ToString();

            if (string.Equals(propertyName, JsonTypeReflector.RefPropertyName, StringComparison.Ordinal))
            {
              CheckedRead(reader);
              if (reader.TokenType != JsonToken.String && reader.TokenType != JsonToken.Null)
                throw JsonSerializationException.Create(reader, "JSON reference {0} property must have a string or null value.".FormatWith(CultureInfo.InvariantCulture, JsonTypeReflector.RefPropertyName));

              string reference = (reader.Value != null) ? reader.Value.ToString() : null;

              CheckedRead(reader);

              if (reference != null)
              {
                if (reader.TokenType == JsonToken.PropertyName)
                  throw JsonSerializationException.Create(reader, "Additional content found in JSON reference object. A JSON reference object should only have a {0} property.".FormatWith(CultureInfo.InvariantCulture, JsonTypeReflector.RefPropertyName));

                {
                  newValue = Serializer.ReferenceResolver.ResolveReference(this, reference);
                  return true;
                }
              }
              else
              {
                specialProperty = true;
              }
            }
            else if (string.Equals(propertyName, JsonTypeReflector.TypePropertyName, StringComparison.Ordinal))
            {
              CheckedRead(reader);
              string qualifiedTypeName = reader.Value.ToString();

              TypeNameHandling resolvedTypeNameHandling =
                ((member != null) ? member.TypeNameHandling : null)
                ?? ((containerContract != null) ? containerContract.ItemTypeNameHandling : null)
                ?? ((containerMember != null) ? containerMember.ItemTypeNameHandling : null)
                ?? Serializer.TypeNameHandling;

              if (resolvedTypeNameHandling != TypeNameHandling.None)
              {
                string typeName;
                string assemblyName;
                ReflectionUtils.SplitFullyQualifiedTypeName(qualifiedTypeName, out typeName, out assemblyName);

                Type specifiedType;
                try
                {
                  specifiedType = Serializer.Binder.BindToType(assemblyName, typeName);
                }
                catch (Exception ex)
                {
                  throw JsonSerializationException.Create(reader, "Error resolving type specified in JSON '{0}'.".FormatWith(CultureInfo.InvariantCulture, qualifiedTypeName), ex);
                }

                if (specifiedType == null)
                  throw JsonSerializationException.Create(reader, "Type specified in JSON '{0}' was not resolved.".FormatWith(CultureInfo.InvariantCulture, qualifiedTypeName));

                if (objectType != null
#if !(NET35 || NET20 || WINDOWS_PHONE || PORTABLE)
                    && objectType != typeof (IDynamicMetaObjectProvider)
#endif
                    && !objectType.IsAssignableFrom(specifiedType))
                  throw JsonSerializationException.Create(reader, "Type specified in JSON '{0}' is not compatible with '{1}'.".FormatWith(CultureInfo.InvariantCulture, specifiedType.AssemblyQualifiedName, objectType.AssemblyQualifiedName));

                objectType = specifiedType;
                contract = GetContractSafe(specifiedType);
              }

              CheckedRead(reader);

              specialProperty = true;
            }
            else if (string.Equals(propertyName, JsonTypeReflector.IdPropertyName, StringComparison.Ordinal))
            {
              CheckedRead(reader);

              id = (reader.Value != null) ? reader.Value.ToString() : null;

              CheckedRead(reader);
              specialProperty = true;
            }
            else if (string.Equals(propertyName, JsonTypeReflector.ArrayValuesPropertyName, StringComparison.Ordinal))
            {
              CheckedRead(reader);
              object list = CreateList(reader, objectType, contract, member, existingValue, id);
              CheckedRead(reader);
              newValue = list;
              return true;
            }
            else
            {
              specialProperty = false;
            }
          } while (specialProperty
                   && reader.TokenType == JsonToken.PropertyName);
        }
      }
      return false;
    }
		private void SerializeDictionary(JsonWriter writer, IDictionary values, JsonDictionaryContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
		{
			IWrappedDictionary wrappedDictionary = values as IWrappedDictionary;
			object underlyingDictionary = wrappedDictionary != null ? wrappedDictionary.UnderlyingDictionary : values;

			OnSerializing(writer, contract, underlyingDictionary);
			_serializeStack.Add(underlyingDictionary);

			WriteObjectStart(writer, underlyingDictionary, contract, member, collectionContract, containerProperty);

			if (contract.ItemContract == null)
				contract.ItemContract = Serializer._contractResolver.ResolveContract(contract.DictionaryValueType ?? typeof(object));

			if (contract.KeyContract == null)
				contract.KeyContract = Serializer._contractResolver.ResolveContract(contract.DictionaryKeyType ?? typeof(object));

			int initialDepth = writer.Top;

			foreach (DictionaryEntry entry in values)
			{
				bool escape;
				string propertyName = GetPropertyName(writer, entry, contract.KeyContract, out escape);

				propertyName = (contract.PropertyNameResolver != null)
								 ? contract.PropertyNameResolver(propertyName)
								 : propertyName;

				try
				{
					object value = entry.Value;
					JsonContract valueContract = contract.FinalItemContract ?? GetContractSafe(value);

					if (ShouldWriteReference(value, null, valueContract, contract, member))
					{
						writer.WritePropertyName(propertyName, escape);
						WriteReference(writer, value);
					}
					else
					{
						if (!CheckForCircularReference(writer, value, null, valueContract, contract, member))
							continue;

						writer.WritePropertyName(propertyName, escape);

						SerializeValue(writer, value, valueContract, null, contract, member);
					}
				}
				catch (Exception ex)
				{
					if (IsErrorHandled(underlyingDictionary, contract, propertyName, null, writer.ContainerPath, ex))
						HandleError(writer, initialDepth);
					else
						throw;
				}
			}

			writer.WriteEndObject();

			_serializeStack.RemoveAt(_serializeStack.Count - 1);

			OnSerialized(writer, contract, underlyingDictionary);
		}
		private bool WriteStartArray(JsonWriter writer, object values, JsonArrayContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
		{
			bool isReference = ResolveIsReference(contract, member, containerContract, containerProperty) ?? HasFlag(Serializer._preserveReferencesHandling, PreserveReferencesHandling.Arrays);
			bool includeTypeDetails = ShouldWriteType(TypeNameHandling.Arrays, contract, member, containerContract, containerProperty);
			bool writeMetadataObject = isReference || includeTypeDetails;

			if (writeMetadataObject)
			{
				writer.WriteStartObject();

				if (isReference)
				{
					WriteReferenceIdProperty(writer, contract.UnderlyingType, values);
				}
				if (includeTypeDetails)
				{
					WriteTypeProperty(writer, values.GetType());
				}
				writer.WritePropertyName(JsonTypeReflector.ArrayValuesPropertyName, false);
			}

			if (contract.ItemContract == null)
				contract.ItemContract = Serializer._contractResolver.ResolveContract(contract.CollectionItemType ?? typeof(object));

			return writeMetadataObject;
		}
		private void WriteObjectStart(JsonWriter writer, object value, JsonContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
		{
			writer.WriteStartObject();

			bool isReference = ResolveIsReference(contract, member, collectionContract, containerProperty) ?? HasFlag(Serializer._preserveReferencesHandling, PreserveReferencesHandling.Objects);
			if (isReference)
			{
				WriteReferenceIdProperty(writer, contract.UnderlyingType, value);
			}
			if (ShouldWriteType(TypeNameHandling.Objects, contract, member, collectionContract, containerProperty))
			{
				WriteTypeProperty(writer, contract.UnderlyingType);
			}
		}
        private void WriteObjectStart(JsonWriter writer, object value, JsonContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            writer.WriteStartObject();

            bool isReference = ResolveIsReference(contract, member, collectionContract, containerProperty) ?? HasFlag(Serializer._preserveReferencesHandling, PreserveReferencesHandling.Objects);

            if (isReference)
            {
                WriteReferenceIdProperty(writer, contract.UnderlyingType, value);
            }
            if (ShouldWriteType(TypeNameHandling.Objects, contract, member, collectionContract, containerProperty))
            {
                WriteTypeProperty(writer, contract.UnderlyingType);
            }
        }
        private void SerializeObject(JsonWriter writer, object value, JsonObjectContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            OnSerializing(writer, contract, value);

            _serializeStack.Add(value);

            WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);

            int initialDepth = writer.Top;

            for (int index = 0; index < contract.Properties.Count; index++)
            {
                JsonProperty property = contract.Properties[index];
                try
                {
                    object       memberValue;
                    JsonContract memberContract;

                    if (!CalculatePropertyValues(writer, value, contract, member, property, out memberContract, out memberValue))
                    {
                        continue;
                    }

                    property.WritePropertyName(writer);
                    SerializeValue(writer, memberValue, memberContract, property, contract, member);
                }
                catch (Exception ex)
                {
                    if (IsErrorHandled(value, contract, property.PropertyName, null, writer.ContainerPath, ex))
                    {
                        HandleError(writer, initialDepth);
                    }
                    else
                    {
                        throw;
                    }
                }
            }

            if (beforeClosingObject != null)
            {
                beforeClosingObject(value, writer);
            }

            writer.WriteEndObject();

            _serializeStack.RemoveAt(_serializeStack.Count - 1);

            OnSerialized(writer, contract, value);
        }
        private bool CheckForCircularReference(JsonWriter writer, object value, JsonProperty property, JsonContract contract, JsonContainerContract containerContract, JsonProperty containerProperty)
        {
            if (value == null || contract.ContractType == JsonContractType.Primitive || contract.ContractType == JsonContractType.String)
            {
                return(true);
            }

            ReferenceLoopHandling?referenceLoopHandling = null;

            if (property != null)
            {
                referenceLoopHandling = property.ReferenceLoopHandling;
            }

            if (referenceLoopHandling == null && containerProperty != null)
            {
                referenceLoopHandling = containerProperty.ItemReferenceLoopHandling;
            }

            if (referenceLoopHandling == null && containerContract != null)
            {
                referenceLoopHandling = containerContract.ItemReferenceLoopHandling;
            }

            if (_serializeStack.IndexOf(value) != -1)
            {
                string message = "Self referencing loop detected";
                if (property != null)
                {
                    message += " for property '{0}'".FormatWith(CultureInfo.InvariantCulture, property.PropertyName);
                }
                message += " with type '{0}'.".FormatWith(CultureInfo.InvariantCulture, value.GetType());

                switch (referenceLoopHandling.GetValueOrDefault(Serializer._referenceLoopHandling))
                {
                case ReferenceLoopHandling.Error:
                    throw JsonSerializationException.Create(null, writer.ContainerPath, message, null);

                case ReferenceLoopHandling.Ignore:
                    if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Verbose)
                    {
                        TraceWriter.Trace(TraceLevel.Verbose, JsonPosition.FormatMessage(null, writer.Path, message + ". Skipping serializing self referenced value."), null);
                    }

                    return(false);

                case ReferenceLoopHandling.Serialize:
                    if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Verbose)
                    {
                        TraceWriter.Trace(TraceLevel.Verbose, JsonPosition.FormatMessage(null, writer.Path, message + ". Serializing self referenced value."), null);
                    }

                    return(true);
                }
            }

            return(true);
        }
        private bool ShouldWriteReference(object value, JsonProperty property, JsonContract valueContract, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            if (value == null)
            {
                return(false);
            }
            if (valueContract.ContractType == JsonContractType.Primitive || valueContract.ContractType == JsonContractType.String)
            {
                return(false);
            }

            bool?isReference = ResolveIsReference(valueContract, property, collectionContract, containerProperty);

            if (isReference == null)
            {
                if (valueContract.ContractType == JsonContractType.Array)
                {
                    isReference = HasFlag(Serializer._preserveReferencesHandling, PreserveReferencesHandling.Arrays);
                }
                else
                {
                    isReference = HasFlag(Serializer._preserveReferencesHandling, PreserveReferencesHandling.Objects);
                }
            }

            if (!isReference.Value)
            {
                return(false);
            }

            return(Serializer.GetReferenceResolver().IsReferenced(this, value));
        }
        private bool?ResolveIsReference(JsonContract contract, JsonProperty property, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            bool?isReference = null;

            // value could be coming from a dictionary or array and not have a property
            if (property != null)
            {
                isReference = property.IsReference;
            }

            if (isReference == null && containerProperty != null)
            {
                isReference = containerProperty.ItemIsReference;
            }

            if (isReference == null && collectionContract != null)
            {
                isReference = collectionContract.ItemIsReference;
            }

            if (isReference == null)
            {
                isReference = contract.IsReference;
            }

            return(isReference);
        }
        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 = JsonConverterCache.GetMatchingConverter(_internalConverters, 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;
                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 !(SILVERLIGHT || 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;
            }
        }
		private bool ShouldWriteReference(object value, JsonProperty property, JsonContract valueContract, JsonContainerContract collectionContract, JsonProperty containerProperty)
		{
			if (value == null)
				return false;
			if (valueContract.ContractType == JsonContractType.Primitive || valueContract.ContractType == JsonContractType.String)
				return false;

			bool? isReference = ResolveIsReference(valueContract, property, collectionContract, containerProperty);

			if (isReference == null)
			{
				if (valueContract.ContractType == JsonContractType.Array)
					isReference = HasFlag(Serializer._preserveReferencesHandling, PreserveReferencesHandling.Arrays);
				else
					isReference = HasFlag(Serializer._preserveReferencesHandling, PreserveReferencesHandling.Objects);
			}

			if (!isReference.Value)
				return false;

			return Serializer.GetReferenceResolver().IsReferenced(this, value);
		}
		private void SerializeObject(JsonWriter writer, object value, JsonObjectContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
		{
			OnSerializing(writer, contract, value);

			_serializeStack.Add(value);

			WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);

			int initialDepth = writer.Top;

			for (int index = 0; index < contract.Properties.Count; index++)
			{
				JsonProperty property = contract.Properties[index];
				try
				{
					object memberValue;
					JsonContract memberContract;

					if (!CalculatePropertyValues(writer, value, contract, member, property, out memberContract, out memberValue))
						continue;

					property.WritePropertyName(writer);
					SerializeValue(writer, memberValue, memberContract, property, contract, member);
				}
				catch (Exception ex)
				{
					if (IsErrorHandled(value, contract, property.PropertyName, null, writer.ContainerPath, ex))
						HandleError(writer, initialDepth);
					else
						throw;
				}
			}

			if (beforeClosingObject != null)
				beforeClosingObject(value, writer);

			writer.WriteEndObject();

			_serializeStack.RemoveAt(_serializeStack.Count - 1);

			OnSerialized(writer, contract, value);
		}
        private void SerializeConvertable(JsonWriter writer, JsonConverter converter, object value, JsonContract contract, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            if (ShouldWriteReference(value, null, contract, collectionContract, containerProperty))
            {
                WriteReference(writer, value);
            }
            else
            {
                if (!CheckForCircularReference(writer, value, null, contract, collectionContract, containerProperty))
                {
                    return;
                }

                _serializeStack.Add(value);

                if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Info)
                {
                    TraceWriter.Trace(TraceLevel.Info, JsonPosition.FormatMessage(null, writer.Path, "Started serializing {0} with converter {1}.".FormatWith(CultureInfo.InvariantCulture, value.GetType(), converter.GetType())), null);
                }

                converter.WriteJson(writer, value, GetInternalSerializer());

                if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Info)
                {
                    TraceWriter.Trace(TraceLevel.Info, JsonPosition.FormatMessage(null, writer.Path, "Finished serializing {0} with converter {1}.".FormatWith(CultureInfo.InvariantCulture, value.GetType(), converter.GetType())), null);
                }

                _serializeStack.RemoveAt(_serializeStack.Count - 1);
            }
        }
		private void SerializeList(JsonWriter writer, IEnumerable values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
		{
			IWrappedCollection wrappedCollection = values as IWrappedCollection;
			object underlyingList = wrappedCollection != null ? wrappedCollection.UnderlyingCollection : values;

			OnSerializing(writer, contract, underlyingList);

			_serializeStack.Add(underlyingList);

			bool hasWrittenMetadataObject = WriteStartArray(writer, underlyingList, contract, member, collectionContract, containerProperty);

			writer.WriteStartArray();

			int initialDepth = writer.Top;

			int index = 0;
			// note that an error in the IEnumerable won't be caught
			foreach (object value in values)
			{
				try
				{
					JsonContract valueContract = contract.FinalItemContract ?? GetContractSafe(value);

					if (ShouldWriteReference(value, null, valueContract, contract, member))
					{
						WriteReference(writer, value);
					}
					else
					{
						if (CheckForCircularReference(writer, value, null, valueContract, contract, member))
						{
							SerializeValue(writer, value, valueContract, null, contract, member);
						}
					}
				}
				catch (Exception ex)
				{
					if (IsErrorHandled(underlyingList, contract, index, null, writer.ContainerPath, ex))
						HandleError(writer, initialDepth);
					else
						throw;
				}
				finally
				{
					index++;
				}
			}

			writer.WriteEndArray();

			if (hasWrittenMetadataObject)
				writer.WriteEndObject();

			_serializeStack.RemoveAt(_serializeStack.Count - 1);

			OnSerialized(writer, contract, underlyingList);
		}
        private void SerializeList(JsonWriter writer, IEnumerable values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            IWrappedCollection wrappedCollection = values as IWrappedCollection;
            object             underlyingList    = wrappedCollection != null ? wrappedCollection.UnderlyingCollection : values;

            OnSerializing(writer, contract, underlyingList);

            _serializeStack.Add(underlyingList);

            bool hasWrittenMetadataObject = WriteStartArray(writer, underlyingList, contract, member, collectionContract, containerProperty);

            writer.WriteStartArray();

            int initialDepth = writer.Top;

            int         index = 0;
            IEnumerator enumerator;

            try
            {
                enumerator = values.GetEnumerator();
            }
            catch (Exception e)
            {
                throw new InvalidOperationException("Could not get enumerator for property: " + member, e);
            }
            using (enumerator as IDisposable)
            {
                while (true)
                {
                    try
                    {
                        if (enumerator.MoveNext() == false)
                        {
                            break;
                        }
                    }
                    catch (Exception e)
                    {
                        throw new InvalidOperationException("Could not move to next value for property: " + member, e);
                    }
                    object value;
                    try
                    {
                        value = enumerator.Current;
                    }
                    catch (Exception e)
                    {
                        throw new InvalidOperationException("Could not get current value for property: " + member, e);
                    }
                    try
                    {
                        JsonContract valueContract = contract.FinalItemContract ?? GetContractSafe(value);

                        if (ShouldWriteReference(value, null, valueContract, contract, member))
                        {
                            WriteReference(writer, value);
                        }
                        else
                        {
                            if (CheckForCircularReference(writer, value, null, valueContract, contract, member))
                            {
                                SerializeValue(writer, value, valueContract, null, contract, member);
                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        if (IsErrorHandled(underlyingList, contract, index, null, writer.ContainerPath, ex))
                        {
                            HandleError(writer, initialDepth);
                        }
                        else
                        {
                            throw;
                        }
                    }
                    finally
                    {
                        index++;
                    }
                }
            }

            writer.WriteEndArray();

            if (hasWrittenMetadataObject)
            {
                writer.WriteEndObject();
            }

            _serializeStack.RemoveAt(_serializeStack.Count - 1);

            OnSerialized(writer, contract, underlyingList);
        }
		private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
		{
			OnSerializing(writer, contract, value);
			_serializeStack.Add(value);

			WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);

			int initialDepth = writer.Top;

			for (int index = 0; index < contract.Properties.Count; index++)
			{
				JsonProperty property = contract.Properties[index];

				// only write non-dynamic properties that have an explicit attribute
				if (property.HasMemberAttribute)
				{
					try
					{
						object memberValue;
						JsonContract memberContract;

						if (!CalculatePropertyValues(writer, value, contract, member, property, out memberContract, out memberValue))
							continue;

						property.WritePropertyName(writer);
						SerializeValue(writer, memberValue, memberContract, property, contract, member);
					}
					catch (Exception ex)
					{
						if (IsErrorHandled(value, contract, property.PropertyName, null, writer.ContainerPath, ex))
							HandleError(writer, initialDepth);
						else
							throw;
					}
				}
			}

			foreach (string memberName in value.GetDynamicMemberNames())
			{
				object memberValue;
				if (contract.TryGetMember(value, memberName, out memberValue))
				{
					try
					{
						JsonContract valueContract = GetContractSafe(memberValue);

						if (!ShouldWriteDynamicProperty(memberValue))
							continue;

						if (CheckForCircularReference(writer, memberValue, null, valueContract, contract, member))
						{
							string resolvedPropertyName = (contract.PropertyNameResolver != null)
															? contract.PropertyNameResolver(memberName)
															: memberName;

							writer.WritePropertyName(resolvedPropertyName);
							SerializeValue(writer, memberValue, valueContract, null, contract, member);
						}
					}
					catch (Exception ex)
					{
						if (IsErrorHandled(value, contract, memberName, null, writer.ContainerPath, ex))
							HandleError(writer, initialDepth);
						else
							throw;
					}
				}
			}

			writer.WriteEndObject();

			_serializeStack.RemoveAt(_serializeStack.Count - 1);
			OnSerialized(writer, contract, value);
		}
        private void SerializeMultidimensionalArray(JsonWriter writer, Array values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            OnSerializing(writer, contract, values);

            _serializeStack.Add(values);

            bool hasWrittenMetadataObject = WriteStartArray(writer, values, contract, member, collectionContract, containerProperty);

            SerializeMultidimensionalArray(writer, values, contract, member, writer.Top, new int[0]);

            if (hasWrittenMetadataObject)
            {
                writer.WriteEndObject();
            }

            _serializeStack.RemoveAt(_serializeStack.Count - 1);

            OnSerialized(writer, contract, values);
        }
        private void SerializeDictionary(JsonWriter writer, IDictionary values, JsonDictionaryContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            IWrappedDictionary wrappedDictionary    = values as IWrappedDictionary;
            object             underlyingDictionary = wrappedDictionary != null ? wrappedDictionary.UnderlyingDictionary : values;

            OnSerializing(writer, contract, underlyingDictionary);
            _serializeStack.Add(underlyingDictionary);

            WriteObjectStart(writer, underlyingDictionary, contract, member, collectionContract, containerProperty);

            if (contract.ItemContract == null)
            {
                contract.ItemContract = Serializer._contractResolver.ResolveContract(contract.DictionaryValueType ?? typeof(object));
            }

            if (contract.KeyContract == null)
            {
                contract.KeyContract = Serializer._contractResolver.ResolveContract(contract.DictionaryKeyType ?? typeof(object));
            }

            int initialDepth = writer.Top;

            foreach (DictionaryEntry entry in values)
            {
                bool   escape;
                string propertyName = GetPropertyName(writer, entry, contract.KeyContract, out escape);

                propertyName = (contract.PropertyNameResolver != null)
                                                                 ? contract.PropertyNameResolver(propertyName)
                                                                 : propertyName;

                try
                {
                    object       value         = entry.Value;
                    JsonContract valueContract = contract.FinalItemContract ?? GetContractSafe(value);

                    if (ShouldWriteReference(value, null, valueContract, contract, member))
                    {
                        writer.WritePropertyName(propertyName, escape);
                        WriteReference(writer, value);
                    }
                    else
                    {
                        if (!CheckForCircularReference(writer, value, null, valueContract, contract, member))
                        {
                            continue;
                        }

                        writer.WritePropertyName(propertyName, escape);

                        SerializeValue(writer, value, valueContract, null, contract, member);
                    }
                }
                catch (Exception ex)
                {
                    if (IsErrorHandled(underlyingDictionary, contract, propertyName, null, writer.ContainerPath, ex))
                    {
                        HandleError(writer, initialDepth);
                    }
                    else
                    {
                        throw;
                    }
                }
            }

            writer.WriteEndObject();

            _serializeStack.RemoveAt(_serializeStack.Count - 1);

            OnSerialized(writer, contract, underlyingDictionary);
        }
        private bool WriteStartArray(JsonWriter writer, object values, JsonArrayContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
        {
            bool isReference         = ResolveIsReference(contract, member, containerContract, containerProperty) ?? HasFlag(Serializer._preserveReferencesHandling, PreserveReferencesHandling.Arrays);
            bool includeTypeDetails  = ShouldWriteType(TypeNameHandling.Arrays, contract, member, containerContract, containerProperty);
            bool writeMetadataObject = isReference || includeTypeDetails;

            if (writeMetadataObject)
            {
                writer.WriteStartObject();

                if (isReference)
                {
                    WriteReferenceIdProperty(writer, contract.UnderlyingType, values);
                }
                if (includeTypeDetails)
                {
                    WriteTypeProperty(writer, values.GetType());
                }
                writer.WritePropertyName(JsonTypeReflector.ArrayValuesPropertyName, false);
            }

            if (contract.ItemContract == null)
            {
                contract.ItemContract = Serializer._contractResolver.ResolveContract(contract.CollectionItemType ?? typeof(object));
            }

            return(writeMetadataObject);
        }
    private void SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, object target)
    {
      object currentValue;
      bool useExistingValue;
      JsonContract propertyContract;
      bool gottenCurrentValue;

      if (CalculatePropertyDetails(property, ref propertyConverter, containerContract, containerProperty, reader, target, out useExistingValue, out currentValue, out propertyContract, out gottenCurrentValue))
        return;

      object value;

      if (propertyConverter != null && propertyConverter.CanRead)
      {
        if (!gottenCurrentValue && target != null && property.Readable)
          currentValue = property.ValueProvider.GetValue(target);

        value = propertyConverter.ReadJson(reader, property.PropertyType, currentValue, GetInternalSerializer());
      }
      else
      {
        value = CreateValueInternal(reader, property.PropertyType, propertyContract, property, containerContract, containerProperty, (useExistingValue) ? currentValue : null);
      }

      // always set the value if useExistingValue is false,
      // otherwise also set it if CreateValue returns a new value compared to the currentValue
      // this could happen because of a JsonConverter against the type
      if ((!useExistingValue || value != currentValue)
        && ShouldSetPropertyValue(property, value))
      {
        property.ValueProvider.SetValue(target, value);

        if (property.SetIsSpecified != null)
          property.SetIsSpecified(target, true);
      }
    }
        private void SerializeISerializable(JsonWriter writer, ISerializable value, JsonISerializableContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            if (!JsonTypeReflector.FullyTrusted)
            {
                throw JsonSerializationException.Create(null, writer.ContainerPath, @"Type '{0}' implements ISerializable but cannot be serialized using the ISerializable interface because the current application is not fully trusted and ISerializable can expose secure data.
To fix this error either change the environment to be fully trusted, change the application to not deserialize the type, add JsonObjectAttribute to the type or change the JsonSerializer setting ContractResolver to use a new DefaultContractResolver with IgnoreSerializableInterface set to true.".FormatWith(CultureInfo.InvariantCulture, value.GetType()), null);
            }

            OnSerializing(writer, contract, value);
            _serializeStack.Add(value);

            WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);

            SerializationInfo serializationInfo = new SerializationInfo(contract.UnderlyingType, new FormatterConverter());

            value.GetObjectData(serializationInfo, Serializer._context);

            foreach (SerializationEntry serializationEntry in serializationInfo)
            {
                JsonContract valueContract = GetContractSafe(serializationEntry.Value);

                if (CheckForCircularReference(writer, serializationEntry.Value, null, valueContract, contract, member))
                {
                    writer.WritePropertyName(serializationEntry.Name);
                    SerializeValue(writer, serializationEntry.Value, valueContract, null, contract, member);
                }
            }

            writer.WriteEndObject();

            _serializeStack.RemoveAt(_serializeStack.Count - 1);
            OnSerialized(writer, contract, value);
        }
        private void SerializeObject(JsonWriter writer, object value, JsonObjectContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            OnSerializing(writer, contract, value);

            _serializeStack.Add(value);

            WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);

            int initialDepth = writer.Top;

            for (int index = 0; index < contract.Properties.Count; index++)
            {
                JsonProperty property = contract.Properties[index];
                try
                {
                    object memberValue;
                    JsonContract memberContract;

                    if (!CalculatePropertyValues(writer, value, contract, member, property, out memberContract, out memberValue))
                        continue;

                    property.WritePropertyName(writer);
                    SerializeValue(writer, memberValue, memberContract, property, contract, member);
                }
                catch (Exception ex)
                {
                    if (IsErrorHandled(value, contract, property.PropertyName, null, writer.ContainerPath, ex))
                        HandleError(writer, initialDepth);
                    else
                        throw;
                }
            }

            if (contract.ExtensionDataGetter != null)
            {
                IEnumerable<KeyValuePair<object, object>> extensionData = contract.ExtensionDataGetter(value);
                if (extensionData != null)
                {
                    foreach (KeyValuePair<object, object> e in extensionData)
                    {
                        JsonContract keyContract = GetContractSafe(e.Key);
                        JsonContract valueContract = GetContractSafe(e.Value);

                        bool escape;
                        string propertyName = GetPropertyName(writer, e.Key, keyContract, out escape);

                        if (ShouldWriteReference(e.Value, null, valueContract, contract, member))
                        {
                            writer.WritePropertyName(propertyName);
                            WriteReference(writer, e.Value);
                        }
                        else
                        {
                            if (!CheckForCircularReference(writer, e.Value, null, valueContract, contract, member))
                                continue;

                            writer.WritePropertyName(propertyName);

                            SerializeValue(writer, e.Value, valueContract, null, contract, member);
                        }
                    }
                }
            }

            if (beforeClosingObject != null)
                beforeClosingObject(value, writer);

            writer.WriteEndObject();

            _serializeStack.RemoveAt(_serializeStack.Count - 1);

            OnSerialized(writer, contract, value);
        }
        private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            OnSerializing(writer, contract, value);
            _serializeStack.Add(value);

            WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);

            int initialDepth = writer.Top;

            for (int index = 0; index < contract.Properties.Count; index++)
            {
                JsonProperty property = contract.Properties[index];

                // only write non-dynamic properties that have an explicit attribute
                if (property.HasMemberAttribute)
                {
                    try
                    {
                        object       memberValue;
                        JsonContract memberContract;

                        if (!CalculatePropertyValues(writer, value, contract, member, property, out memberContract, out memberValue))
                        {
                            continue;
                        }

                        property.WritePropertyName(writer);
                        SerializeValue(writer, memberValue, memberContract, property, contract, member);
                    }
                    catch (Exception ex)
                    {
                        if (IsErrorHandled(value, contract, property.PropertyName, null, writer.ContainerPath, ex))
                        {
                            HandleError(writer, initialDepth);
                        }
                        else
                        {
                            throw;
                        }
                    }
                }
            }

            foreach (string memberName in value.GetDynamicMemberNames())
            {
                object memberValue;
                if (contract.TryGetMember(value, memberName, out memberValue))
                {
                    try
                    {
                        JsonContract valueContract = GetContractSafe(memberValue);

                        if (!ShouldWriteDynamicProperty(memberValue))
                        {
                            continue;
                        }

                        if (CheckForCircularReference(writer, memberValue, null, valueContract, contract, member))
                        {
                            string resolvedPropertyName = (contract.PropertyNameResolver != null)
                                                                                                                        ? contract.PropertyNameResolver(memberName)
                                                                                                                        : memberName;

                            writer.WritePropertyName(resolvedPropertyName);
                            SerializeValue(writer, memberValue, valueContract, null, contract, member);
                        }
                    }
                    catch (Exception ex)
                    {
                        if (IsErrorHandled(value, contract, memberName, null, writer.ContainerPath, ex))
                        {
                            HandleError(writer, initialDepth);
                        }
                        else
                        {
                            throw;
                        }
                    }
                }
            }

            writer.WriteEndObject();

            _serializeStack.RemoveAt(_serializeStack.Count - 1);
            OnSerialized(writer, contract, value);
        }
        private void SerializeList(JsonWriter writer, IEnumerable values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            IWrappedCollection wrappedCollection = values as IWrappedCollection;
            object underlyingList = wrappedCollection != null ? wrappedCollection.UnderlyingCollection : values;

            OnSerializing(writer, contract, underlyingList);

            _serializeStack.Add(underlyingList);

            bool hasWrittenMetadataObject = WriteStartArray(writer, underlyingList, contract, member, collectionContract, containerProperty);

            writer.WriteStartArray();

            int initialDepth = writer.Top;

            int index = 0;
            IEnumerator enumerator;
            try
            {
                enumerator = values.GetEnumerator();
            }
            catch (Exception e)
            {
                throw new InvalidOperationException("Could not get enumerator for property: " + member, e);
            }
            using (enumerator as IDisposable)
            {
                while (true)
                {
                    try
                    {
                        if (enumerator.MoveNext() == false)
                            break;
                    }
                    catch (Exception e)
                    {
                        throw new InvalidOperationException("Could not move to next value for property: " + member, e);

                    }
                    object value;
                    try
                    {
                        value = enumerator.Current;
                    }
                    catch (Exception e)
                    {
                        throw new InvalidOperationException("Could not get current value for property: " + member, e);

                    }
                    try
                    {
                        JsonContract valueContract = contract.FinalItemContract ?? GetContractSafe(value);

                        if (ShouldWriteReference(value, null, valueContract, contract, member))
                        {
                            WriteReference(writer, value);
                        }
                        else
                        {
                            if (CheckForCircularReference(writer, value, null, valueContract, contract, member))
                            {
                                SerializeValue(writer, value, valueContract, null, contract, member);
                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        if (IsErrorHandled(underlyingList, contract, index, null, writer.ContainerPath, ex))
                            HandleError(writer, initialDepth);
                        else
                            throw;
                    }
                    finally
                    {
                        index++;
                    }
                }
            }

            writer.WriteEndArray();

            if (hasWrittenMetadataObject)
                writer.WriteEndObject();

            _serializeStack.RemoveAt(_serializeStack.Count - 1);

            OnSerialized(writer, contract, underlyingList);
        }
        private bool ShouldWriteType(TypeNameHandling typeNameHandlingFlag, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
        {
            TypeNameHandling resolvedTypeNameHandling =
                ((member != null) ? member.TypeNameHandling : null)
                ?? ((containerProperty != null) ? containerProperty.ItemTypeNameHandling : null)
                ?? ((containerContract != null) ? containerContract.ItemTypeNameHandling : null)
                ?? Serializer._typeNameHandling;

            if (HasFlag(resolvedTypeNameHandling, typeNameHandlingFlag))
            {
                return(true);
            }

            // instance type and the property's type's contract default type are different (no need to put the type in JSON because the type will be created by default)
            if (HasFlag(resolvedTypeNameHandling, TypeNameHandling.Auto))
            {
                if (member != null)
                {
                    if (contract.UnderlyingType != member.PropertyContract.CreatedType)
                    {
                        return(true);
                    }
                }
                else if (containerContract != null)
                {
                    if (containerContract.ItemContract == null || contract.UnderlyingType != containerContract.ItemContract.CreatedType)
                    {
                        return(true);
                    }
                }
                else if (_rootContract != null && _serializeStack.Count == 1)
                {
                    if (contract.UnderlyingType != _rootContract.CreatedType)
                    {
                        return(true);
                    }
                }
            }

            return(false);
        }
		private bool? ResolveIsReference(JsonContract contract, JsonProperty property, JsonContainerContract collectionContract, JsonProperty containerProperty)
		{
			bool? isReference = null;

			// value could be coming from a dictionary or array and not have a property
			if (property != null)
				isReference = property.IsReference;

			if (isReference == null && containerProperty != null)
				isReference = containerProperty.ItemIsReference;

			if (isReference == null && collectionContract != null)
				isReference = collectionContract.ItemIsReference;

			if (isReference == null)
				isReference = contract.IsReference;

			return isReference;
		}
        private bool ReadMetadataProperties(JsonReader reader, ref Type objectType, ref JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, object existingValue, out object newValue, out string id)
        {
            id = null;
            newValue = null;

            if (reader.TokenType == JsonToken.PropertyName)
            {
                string propertyName = reader.Value.ToString();

                if (propertyName.Length > 0 && propertyName[0] == '$')
                {
                    // read metadata properties
                    // $type, $id, $ref, etc
                    bool metadataProperty;

                    do
                    {
                        propertyName = reader.Value.ToString();

                        if (string.Equals(propertyName, JsonTypeReflector.RefPropertyName, StringComparison.Ordinal))
                        {
                            CheckedRead(reader);
                            if (reader.TokenType != JsonToken.String && reader.TokenType != JsonToken.Null)
                                throw JsonSerializationException.Create(reader, "JSON reference {0} property must have a string or null value.".FormatWith(CultureInfo.InvariantCulture, JsonTypeReflector.RefPropertyName));

                            string reference = (reader.Value != null) ? reader.Value.ToString() : null;

                            CheckedRead(reader);

                            if (reference != null)
                            {
                                if (reader.TokenType == JsonToken.PropertyName)
                                    throw JsonSerializationException.Create(reader, "Additional content found in JSON reference object. A JSON reference object should only have a {0} property.".FormatWith(CultureInfo.InvariantCulture, JsonTypeReflector.RefPropertyName));

                                newValue = Serializer.GetReferenceResolver().ResolveReference(this, reference);

                                if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Info)
                                    TraceWriter.Trace(TraceLevel.Info, JsonPosition.FormatMessage(reader as IJsonLineInfo, reader.Path, "Resolved object reference '{0}' to {1}.".FormatWith(CultureInfo.InvariantCulture, reference, newValue.GetType())), null);

                                return true;
                            }
                            else
                            {
                                metadataProperty = true;
                            }
                        }
                        else if (string.Equals(propertyName, JsonTypeReflector.TypePropertyName, StringComparison.Ordinal))
                        {
                            CheckedRead(reader);
                            string qualifiedTypeName = reader.Value.ToString();

                            ResolveTypeName(reader, ref objectType, ref contract, member, containerContract, containerMember, qualifiedTypeName);

                            CheckedRead(reader);

                            metadataProperty = true;
                        }
                        else if (string.Equals(propertyName, JsonTypeReflector.IdPropertyName, StringComparison.Ordinal))
                        {
                            CheckedRead(reader);

                            id = (reader.Value != null) ? reader.Value.ToString() : null;

                            CheckedRead(reader);
                            metadataProperty = true;
                        }
                        else if (string.Equals(propertyName, JsonTypeReflector.ArrayValuesPropertyName, StringComparison.Ordinal))
                        {
                            CheckedRead(reader);
                            object list = CreateList(reader, objectType, contract, member, existingValue, id);
                            CheckedRead(reader);
                            newValue = list;
                            return true;
                        }
                        else
                        {
                            metadataProperty = false;
                        }
                    } while (metadataProperty && reader.TokenType == JsonToken.PropertyName);
                }
            }
            return false;
        }
		private bool CheckForCircularReference(JsonWriter writer, object value, JsonProperty property, JsonContract contract, JsonContainerContract containerContract, JsonProperty containerProperty)
		{
			if (value == null || contract.ContractType == JsonContractType.Primitive || contract.ContractType == JsonContractType.String)
				return true;

			ReferenceLoopHandling? referenceLoopHandling = null;

			if (property != null)
				referenceLoopHandling = property.ReferenceLoopHandling;

			if (referenceLoopHandling == null && containerProperty != null)
				referenceLoopHandling = containerProperty.ItemReferenceLoopHandling;

			if (referenceLoopHandling == null && containerContract != null)
				referenceLoopHandling = containerContract.ItemReferenceLoopHandling;

			if (_serializeStack.IndexOf(value) != -1)
			{
				string message = "Self referencing loop detected";
				if (property != null)
					message += " for property '{0}'".FormatWith(CultureInfo.InvariantCulture, property.PropertyName);
				message += " with type '{0}'.".FormatWith(CultureInfo.InvariantCulture, value.GetType());

				switch (referenceLoopHandling.GetValueOrDefault(Serializer._referenceLoopHandling))
				{
					case ReferenceLoopHandling.Error:
						throw JsonSerializationException.Create(null, writer.ContainerPath, message, null);
					case ReferenceLoopHandling.Ignore:
						if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Verbose)
							TraceWriter.Trace(TraceLevel.Verbose, JsonPosition.FormatMessage(null, writer.Path, message + ". Skipping serializing self referenced value."), null);

						return false;
					case ReferenceLoopHandling.Serialize:
						if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Verbose)
							TraceWriter.Trace(TraceLevel.Verbose, JsonPosition.FormatMessage(null, writer.Path, message + ". Serializing self referenced value."), null);

						return true;
				}
			}

			return true;
		}
        private void ResolveTypeName(JsonReader reader, ref Type objectType, ref JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, string qualifiedTypeName)
        {
            TypeNameHandling resolvedTypeNameHandling =
                ((member != null) ? member.TypeNameHandling : null)
                ?? ((containerContract != null) ? containerContract.ItemTypeNameHandling : null)
                ?? ((containerMember != null) ? containerMember.ItemTypeNameHandling : null)
                ?? Serializer._typeNameHandling;

            if (resolvedTypeNameHandling != TypeNameHandling.None)
            {
                string typeName;
                string assemblyName;
                ReflectionUtils.SplitFullyQualifiedTypeName(qualifiedTypeName, out typeName, out assemblyName);

                Type specifiedType;
                try
                {
                    specifiedType = Serializer._binder.BindToType(assemblyName, typeName);
                }
                catch (Exception ex)
                {
                    throw JsonSerializationException.Create(reader, "Error resolving type specified in JSON '{0}'.".FormatWith(CultureInfo.InvariantCulture, qualifiedTypeName), ex);
                }

                if (specifiedType == null)
                    throw JsonSerializationException.Create(reader, "Type specified in JSON '{0}' was not resolved.".FormatWith(CultureInfo.InvariantCulture, qualifiedTypeName));

                if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Verbose)
                    TraceWriter.Trace(TraceLevel.Verbose, JsonPosition.FormatMessage(reader as IJsonLineInfo, reader.Path, "Resolved type '{0}' to {1}.".FormatWith(CultureInfo.InvariantCulture, qualifiedTypeName, specifiedType)), null);

                if (objectType != null
#if !(NET35 || NET20 || PORTABLE40)
                    && objectType != typeof(IDynamicMetaObjectProvider)
#endif
                    && !objectType.IsAssignableFrom(specifiedType))
                    throw JsonSerializationException.Create(reader, "Type specified in JSON '{0}' is not compatible with '{1}'.".FormatWith(CultureInfo.InvariantCulture, specifiedType.AssemblyQualifiedName, objectType.AssemblyQualifiedName));

                objectType = specifiedType;
                contract = GetContractSafe(specifiedType);
            }
        }
		private bool CalculatePropertyValues(JsonWriter writer, object value, JsonContainerContract contract, JsonProperty member, JsonProperty property, out JsonContract memberContract, out object memberValue)
		{
			if (!property.Ignored && property.Readable && ShouldSerialize(writer, property, value) && IsSpecified(writer, property, value))
			{
				if (property.PropertyContract == null)
					property.PropertyContract = Serializer._contractResolver.ResolveContract(property.PropertyType);

				memberValue = property.ValueProvider.GetValue(value);
				memberContract = (property.PropertyContract.IsSealed) ? property.PropertyContract : GetContractSafe(memberValue);

				if (ShouldWriteProperty(memberValue, property))
				{
					if (ShouldWriteReference(memberValue, property, memberContract, contract, member))
					{
						property.WritePropertyName(writer);
						WriteReference(writer, memberValue);
						return false;
					}

					if (!CheckForCircularReference(writer, memberValue, property, memberContract, contract, member))
						return false;

					if (memberValue == null)
					{
						JsonObjectContract objectContract = contract as JsonObjectContract;
						Required resolvedRequired = property._required ?? ((objectContract != null) ? objectContract.ItemRequired : null) ?? Required.Default;
						if (resolvedRequired == Required.Always)
							throw JsonSerializationException.Create(null, writer.ContainerPath, "Cannot write a null value for property '{0}'. Property requires a value.".FormatWith(CultureInfo.InvariantCulture, property.PropertyName), null);
					}

					return true;
				}
			}

			memberContract = null;
			memberValue = null;
			return false;
		}
        private bool CalculatePropertyDetails(JsonProperty property, ref JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, object target, out bool useExistingValue, out object currentValue, out JsonContract propertyContract, out bool gottenCurrentValue)
        {
            currentValue = null;
            useExistingValue = false;
            propertyContract = null;
            gottenCurrentValue = false;

            if (property.Ignored)
                return true;

            JsonToken tokenType = reader.TokenType;

            if (property.PropertyContract == null)
                property.PropertyContract = GetContractSafe(property.PropertyType);

            ObjectCreationHandling objectCreationHandling =
                property.ObjectCreationHandling.GetValueOrDefault(Serializer._objectCreationHandling);

            if ((objectCreationHandling != ObjectCreationHandling.Replace)
                && (tokenType == JsonToken.StartArray || tokenType == JsonToken.StartObject)
                && property.Readable)
            {
                currentValue = property.ValueProvider.GetValue(target);
                gottenCurrentValue = true;

                if (currentValue != null)
                {
                    propertyContract = GetContractSafe(currentValue.GetType());

                    useExistingValue = (!propertyContract.IsReadOnlyOrFixedSize && !propertyContract.UnderlyingType.IsValueType());
                }
            }

            if (!property.Writable && !useExistingValue)
                return true;

            // test tokentype here because null might not be convertable to some types, e.g. ignoring null when applied to DateTime
            if (property.NullValueHandling.GetValueOrDefault(Serializer._nullValueHandling) == NullValueHandling.Ignore && tokenType == JsonToken.Null)
                return true;

            // test tokentype here because default value might not be convertable to actual type, e.g. default of "" for DateTime
            if (HasFlag(property.DefaultValueHandling.GetValueOrDefault(Serializer._defaultValueHandling), DefaultValueHandling.Ignore)
                && !HasFlag(property.DefaultValueHandling.GetValueOrDefault(Serializer._defaultValueHandling), DefaultValueHandling.Populate)
                && JsonTokenUtils.IsPrimitiveToken(tokenType)
                && MiscellaneousUtils.ValueEquals(reader.Value, property.GetResolvedDefaultValue()))
                return true;

            if (currentValue == null)
            {
                propertyContract = property.PropertyContract;
            }
            else
            {
                propertyContract = GetContractSafe(currentValue.GetType());

                if (propertyContract != property.PropertyContract)
                    propertyConverter = GetConverter(propertyContract, property.MemberConverter, containerContract, containerProperty);
            }

            return false;
        }
		private void SerializeConvertable(JsonWriter writer, JsonConverter converter, object value, JsonContract contract, JsonContainerContract collectionContract, JsonProperty containerProperty)
		{
			if (ShouldWriteReference(value, null, contract, collectionContract, containerProperty))
			{
				WriteReference(writer, value);
			}
			else
			{
				if (!CheckForCircularReference(writer, value, null, contract, collectionContract, containerProperty))
					return;

				_serializeStack.Add(value);

				if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Info)
					TraceWriter.Trace(TraceLevel.Info, JsonPosition.FormatMessage(null, writer.Path, "Started serializing {0} with converter {1}.".FormatWith(CultureInfo.InvariantCulture, value.GetType(), converter.GetType())), null);

				converter.WriteJson(writer, value, GetInternalSerializer());

				if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Info)
					TraceWriter.Trace(TraceLevel.Info, JsonPosition.FormatMessage(null, writer.Path, "Finished serializing {0} with converter {1}.".FormatWith(CultureInfo.InvariantCulture, value.GetType(), converter.GetType())), null);

				_serializeStack.RemoveAt(_serializeStack.Count - 1);
			}
		}
    private void SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, object target)
    {
      object currentValue;
      bool useExistingValue;
      JsonContract propertyContract;
      bool gottenCurrentValue;

      if (CalculatePropertyDetails(property, ref propertyConverter, containerContract, containerProperty, reader, target, out useExistingValue, out currentValue, out propertyContract, out gottenCurrentValue))
        return;

      object value;

      if (propertyConverter != null && propertyConverter.CanRead)
      {
        if (!gottenCurrentValue && target != null && property.Readable)
          currentValue = property.ValueProvider.GetValue(target);

        value = DeserializeConvertable(propertyConverter, reader, property.PropertyType, currentValue);
      }
      else
      {
        value = CreateValueInternal(reader, property.PropertyType, propertyContract, property, containerContract, containerProperty, (useExistingValue) ? currentValue : null);
      }

      // always set the value if useExistingValue is false,
      // otherwise also set it if CreateValue returns a new value compared to the currentValue
      // this could happen because of a JsonConverter against the type
      if ((!useExistingValue || value != currentValue)
        && ShouldSetPropertyValue(property, value))
      {
        property.ValueProvider.SetValue(target, value);

        if (property.SetIsSpecified != null)
        {
          if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Verbose)
            TraceWriter.Trace(TraceLevel.Verbose, JsonPosition.FormatMessage(reader as IJsonLineInfo, reader.Path, "IsSpecified for property '{0}' on {1} set to true.".FormatWith(CultureInfo.InvariantCulture, property.PropertyName, property.DeclaringType)), null);

          property.SetIsSpecified(target, true);
        }
      }
    }
		private void SerializeMultidimensionalArray(JsonWriter writer, Array values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
		{
			OnSerializing(writer, contract, values);

			_serializeStack.Add(values);

			bool hasWrittenMetadataObject = WriteStartArray(writer, values, contract, member, collectionContract, containerProperty);

			SerializeMultidimensionalArray(writer, values, contract, member, writer.Top, new int[0]);

			if (hasWrittenMetadataObject)
				writer.WriteEndObject();

			_serializeStack.RemoveAt(_serializeStack.Count - 1);

			OnSerialized(writer, contract, values);
		}
    private object CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, object existingValue)
    {
      if (contract != null && contract.ContractType == JsonContractType.Linq)
        return CreateJToken(reader, contract);

      do
      {
        switch (reader.TokenType)
        {
            // populate a typed object or generic dictionary/array
            // depending upon whether an objectType was supplied
          case JsonToken.StartObject:
            return CreateObject(reader, objectType, contract, member, containerContract, containerMember, existingValue);
          case JsonToken.StartArray:
            return CreateList(reader, objectType, contract, member, existingValue, null);
          case JsonToken.Integer:
          case JsonToken.Float:
          case JsonToken.Boolean:
          case JsonToken.Date:
          case JsonToken.Bytes:
            return EnsureType(reader, reader.Value, CultureInfo.InvariantCulture, contract, objectType);
          case JsonToken.String:
            // convert empty string to null automatically for nullable types
            if (string.IsNullOrEmpty((string)reader.Value) && objectType != typeof(string) && objectType != typeof(object) && contract != null && contract.IsNullable)
              return null;

            // string that needs to be returned as a byte array should be base 64 decoded
            if (objectType == typeof (byte[]))
              return Convert.FromBase64String((string) reader.Value);

            return EnsureType(reader, reader.Value, CultureInfo.InvariantCulture, contract, objectType);
          case JsonToken.StartConstructor:
            string constructorName = reader.Value.ToString();

            return EnsureType(reader, constructorName, CultureInfo.InvariantCulture, contract, objectType);
          case JsonToken.Null:
          case JsonToken.Undefined:
#if !(NETFX_CORE || PORTABLE)
            if (objectType == typeof (DBNull))
              return DBNull.Value;
#endif

            return EnsureType(reader, reader.Value, CultureInfo.InvariantCulture, contract, objectType);
          case JsonToken.Raw:
            return new JRaw((string) reader.Value);
          case JsonToken.Comment:
            // ignore
            break;
          default:
            throw JsonSerializationException.Create(reader, "Unexpected token while deserializing object: " + reader.TokenType);
        }
      } while (reader.Read());

      throw JsonSerializationException.Create(reader, "Unexpected end when deserializing object.");
    }
    private void SerializeISerializable(JsonWriter writer, ISerializable value, JsonISerializableContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
    {
      if (!JsonTypeReflector.FullyTrusted)
      {
        throw JsonSerializationException.Create(null, writer.ContainerPath, @"Type '{0}' implements ISerializable but cannot be serialized using the ISerializable interface because the current application is not fully trusted and ISerializable can expose secure data.
To fix this error either change the environment to be fully trusted, change the application to not deserialize the type, add JsonObjectAttribute to the type or change the JsonSerializer setting ContractResolver to use a new DefaultContractResolver with IgnoreSerializableInterface set to true.".FormatWith(CultureInfo.InvariantCulture, value.GetType()), null);
      }

      OnSerializing(writer, contract, value);
      _serializeStack.Add(value);

      WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);

      SerializationInfo serializationInfo = new SerializationInfo(contract.UnderlyingType, new FormatterConverter());
      value.GetObjectData(serializationInfo, Serializer._context);

      foreach (SerializationEntry serializationEntry in serializationInfo)
      {
        JsonContract valueContract = GetContractSafe(serializationEntry.Value);

        if (CheckForCircularReference(writer, serializationEntry.Value, null, valueContract, contract, member))
        {
          writer.WritePropertyName(serializationEntry.Name);
          SerializeValue(writer, serializationEntry.Value, valueContract, null, contract, member);
        }
      }

      writer.WriteEndObject();

      _serializeStack.RemoveAt(_serializeStack.Count - 1);
      OnSerialized(writer, contract, value);
    }
 private JsonConverter GetConverter(JsonContract contract, JsonConverter memberConverter, JsonContainerContract containerContract, JsonProperty containerProperty)
 {
   JsonConverter converter = null;
   if (memberConverter != null)
   {
     // member attribute converter
     converter = memberConverter;
   }
   else if (containerProperty != null && containerProperty.ItemConverter != null)
   {
     converter = containerProperty.ItemConverter;
   }
   else if (containerContract != null && containerContract.ItemConverter != null)
   {
     converter = containerContract.ItemConverter;
   }
   else if (contract != null)
   {
     JsonConverter matchingConverter;
     if (contract.Converter != null)
       // class attribute converter
       converter = contract.Converter;
     else if ((matchingConverter = Serializer.GetMatchingConverter(contract.UnderlyingType)) != null)
       // passed in converters
       converter = matchingConverter;
     else if (contract.InternalConverter != null)
       // internally specified converter
       converter = contract.InternalConverter;
   }
   return converter;
 }
		private bool ShouldWriteType(TypeNameHandling typeNameHandlingFlag, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
		{
			TypeNameHandling resolvedTypeNameHandling =
			  ((member != null) ? member.TypeNameHandling : null)
			  ?? ((containerProperty != null) ? containerProperty.ItemTypeNameHandling : null)
			  ?? ((containerContract != null) ? containerContract.ItemTypeNameHandling : null)
			  ?? Serializer._typeNameHandling;

			if (HasFlag(resolvedTypeNameHandling, typeNameHandlingFlag))
				return true;

			// instance type and the property's type's contract default type are different (no need to put the type in JSON because the type will be created by default)
			if (HasFlag(resolvedTypeNameHandling, TypeNameHandling.Auto))
			{
				if (member != null)
				{
					if (contract.UnderlyingType != member.PropertyContract.CreatedType)
						return true;
				}
				else if (containerContract != null)
				{
					if (containerContract.ItemContract == null || contract.UnderlyingType != containerContract.ItemContract.CreatedType)
						return true;
				}
				else if (_rootContract != null && _serializeStack.Count == 1)
				{
					if (contract.UnderlyingType != _rootContract.CreatedType)
						return true;
				}
			}

			return false;
		}
    private object CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, object existingValue)
    {
      CheckedRead(reader);

      string id;
      object newValue;
      if (ReadSpecialProperties(reader, ref objectType, ref contract, member, containerContract, containerMember, existingValue, out newValue, out id))
        return newValue;

      if (!HasDefinedType(objectType))
        return CreateJObject(reader);

      if (contract == null)
        throw JsonSerializationException.Create(reader, "Could not resolve type '{0}' to a JsonContract.".FormatWith(CultureInfo.InvariantCulture, objectType));

      switch (contract.ContractType)
      {
        case JsonContractType.Object:
          bool createdFromNonDefaultConstructor = false;
          JsonObjectContract objectContract = (JsonObjectContract) contract;
          object targetObject;
          if (existingValue != null)
            targetObject = existingValue;
          else
            targetObject = CreateNewObject(reader, objectContract, member, containerMember, id, out createdFromNonDefaultConstructor);

          // don't populate if read from non-default constructor because the object has already been read
          if (createdFromNonDefaultConstructor)
            return targetObject;

          return PopulateObject(targetObject, reader, objectContract, member, id);
        case JsonContractType.Primitive:
          JsonPrimitiveContract primitiveContract = (JsonPrimitiveContract) contract;
          // if the content is inside $value then read past it
          if (reader.TokenType == JsonToken.PropertyName && string.Equals(reader.Value.ToString(), JsonTypeReflector.ValuePropertyName, StringComparison.Ordinal))
          {
            CheckedRead(reader);
            object value = CreateValueInternal(reader, objectType, primitiveContract, member, null, null, existingValue);

            CheckedRead(reader);
            return value;
          }
          break;
        case JsonContractType.Dictionary:
          JsonDictionaryContract dictionaryContract = (JsonDictionaryContract) contract;
          object targetDictionary;
          if (existingValue != null)
            targetDictionary = existingValue;
          else
            targetDictionary = CreateNewDictionary(reader, dictionaryContract);

          return PopulateDictionary(dictionaryContract.CreateWrapper(targetDictionary), reader, dictionaryContract, member, id);
#if !(NET35 || NET20 || WINDOWS_PHONE || PORTABLE)
        case JsonContractType.Dynamic:
          JsonDynamicContract dynamicContract = (JsonDynamicContract) contract;
          return CreateDynamic(reader, dynamicContract, member, id);
#endif
#if !(SILVERLIGHT || NETFX_CORE || PORTABLE)
        case JsonContractType.Serializable:
          JsonISerializableContract serializableContract = (JsonISerializableContract) contract;
          return CreateISerializable(reader, serializableContract, id);
#endif
      }

      throw JsonSerializationException.Create(reader, @"Cannot deserialize the current JSON object (e.g. {{""name"":""value""}}) into type '{0}' because the type requires a {1} to deserialize correctly.
To fix this error either change the JSON to a {1} or change the deserialized type so that it is a normal .NET type (e.g. not a primitive type like integer, not a collection type like an array or List<T>) that can be deserialized from a JSON object. JsonObjectAttribute can also be added to the type to force it to deserialize from a JSON object.
".FormatWith(CultureInfo.InvariantCulture, objectType, GetExpectedDescription(contract)));
    }
		private void SerializePrimitive(JsonWriter writer, object value, JsonPrimitiveContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
		{
			if (contract.TypeCode == PrimitiveTypeCode.Bytes)
			{
				// if type name handling is enabled then wrap the base64 byte string in an object with the type name
				bool includeTypeDetails = ShouldWriteType(TypeNameHandling.Objects, contract, member, containerContract, containerProperty);
				if (includeTypeDetails)
				{
					writer.WriteStartObject();
					WriteTypeProperty(writer, contract.CreatedType);
					writer.WritePropertyName(JsonTypeReflector.ValuePropertyName, false);

					JsonWriter.WriteValue(writer, contract.TypeCode, value);

					writer.WriteEndObject();
					return;
				}
			}

			JsonWriter.WriteValue(writer, contract.TypeCode, value);
		}
        private void SerializePrimitive(JsonWriter writer, object value, JsonPrimitiveContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
        {
            if (contract.TypeCode == PrimitiveTypeCode.Bytes)
            {
                // if type name handling is enabled then wrap the base64 byte string in an object with the type name
                bool includeTypeDetails = ShouldWriteType(TypeNameHandling.Objects, contract, member, containerContract, containerProperty);
                if (includeTypeDetails)
                {
                    writer.WriteStartObject();
                    WriteTypeProperty(writer, contract.CreatedType);
                    writer.WritePropertyName(JsonTypeReflector.ValuePropertyName, false);

                    JsonWriter.WriteValue(writer, contract.TypeCode, value);

                    writer.WriteEndObject();
                    return;
                }
            }

            JsonWriter.WriteValue(writer, contract.TypeCode, value);
        }