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(property, value) && IsSpecified(property, value))
      {
        if (property.PropertyContract == null)
          property.PropertyContract = Serializer.ContractResolver.ResolveContract(property.PropertyType);

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

        if (ShouldWriteProperty(memberValue, property))
        {
          if (ShouldWriteReference(memberValue, property, memberContract, contract, member))
          {
            writer.WritePropertyName(property.PropertyName);
            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 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.ReferenceResolver.IsReferenced(this, 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)
      {
        switch (referenceLoopHandling.GetValueOrDefault(Serializer.ReferenceLoopHandling))
        {
          case ReferenceLoopHandling.Error:
            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());

            throw JsonSerializationException.Create(null, writer.ContainerPath, message, null);
          case ReferenceLoopHandling.Ignore:
            return false;
          case ReferenceLoopHandling.Serialize:
            return true;
          default:
            throw new InvalidOperationException("Unexpected ReferenceLoopHandling value: '{0}'".FormatWith(CultureInfo.InvariantCulture, Serializer.ReferenceLoopHandling));
        }
      }

      return true;
    }
 private void ThrowUnexpectedEndException(JsonReader reader, JsonContract contract, object currentObject, string message)
 {
   try
   {
     throw JsonSerializationException.Create(reader, message);
   }
   catch (Exception ex)
   {
     if (IsErrorHandled(currentObject, contract, null, reader.Path, ex))
       HandleError(reader, false, 0);
     else
       throw;
   }
 }
    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 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 && containerContract.ItemContract != null)
        {
          if (contract.UnderlyingType != containerContract.ItemContract.CreatedType)
            return true;
        }
      }

      return false;
    }
    private JToken CreateJToken(JsonReader reader, JsonContract contract)
    {
      ValidationUtils.ArgumentNotNull(reader, "reader");

      if (contract != null && contract.UnderlyingType == typeof (JRaw))
      {
        return JRaw.Create(reader);
      }
      else
      {
        JToken token;
        using (JTokenWriter writer = new JTokenWriter())
        {
          writer.WriteToken(reader);
          token = writer.Token;
        }

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

      JsonArrayContract arrayContract = contract as JsonArrayContract;
      if (arrayContract == null)
        throw JsonSerializationException.Create(reader, @"Cannot deserialize the current JSON array (e.g. [1,2,3]) 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 to an array or a type that implements a collection interface (e.g. ICollection, IList) like List<T> that can be deserialized from a JSON array. JsonArrayAttribute can also be added to the type to force it to deserialize from a JSON array.
".FormatWith(CultureInfo.InvariantCulture, objectType, GetExpectedDescription(contract)));

      return arrayContract;
    }
    private object CreateList(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, object existingValue, string id)
    {
      object value;
      if (HasDefinedType(objectType))
      {
        JsonArrayContract arrayContract = EnsureArrayContract(reader, objectType, contract);

        if (existingValue == null)
        {
          bool isTemporaryListReference;
          IList list = CollectionUtils.CreateList(contract.CreatedType, out isTemporaryListReference);

          if (id != null && isTemporaryListReference)
            throw JsonSerializationException.Create(reader, "Cannot preserve reference to array or readonly list: {0}.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));

#if !PocketPC
          if (contract.OnSerializing != null && isTemporaryListReference)
            throw JsonSerializationException.Create(reader, "Cannot call OnSerializing on an array or readonly list: {0}.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));
#endif
          if (contract.OnError != null && isTemporaryListReference)
            throw JsonSerializationException.Create(reader, "Cannot call OnError on an array or readonly list: {0}.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));

          if (!arrayContract.IsMultidimensionalArray)
            PopulateList(arrayContract.CreateWrapper(list), reader, arrayContract, member, id);
          else
            PopulateMultidimensionalArray(list, reader, arrayContract, member, id);

          // create readonly and fixed sized collections using the temporary list
          if (isTemporaryListReference)
          {
            if (arrayContract.IsMultidimensionalArray)
            {
              list = CollectionUtils.ToMultidimensionalArray(list, ReflectionUtils.GetCollectionItemType(contract.CreatedType), contract.CreatedType.GetArrayRank());
            }
            else if (contract.CreatedType.IsArray)
            {
              list = CollectionUtils.ToArray(((List<object>) list).ToArray(), ReflectionUtils.GetCollectionItemType(contract.CreatedType));
            }
            else if (ReflectionUtils.InheritsGenericDefinition(contract.CreatedType, typeof(ReadOnlyCollection<>)))
            {
              list = (IList) ReflectionUtils.CreateInstance(contract.CreatedType, list);
            }
          }
          else if (list is IWrappedCollection)
          {
            return ((IWrappedCollection)list).UnderlyingCollection;
          }

          value = list;
        }
        else
        {
          value = PopulateList(arrayContract.CreateWrapper(existingValue), reader, arrayContract, member, id);
        }
      }
      else
      {
        value = CreateJToken(reader, contract);
      }
      return value;
    }
    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 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 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;
 }
    internal string GetExpectedDescription(JsonContract contract)
    {
      switch (contract.ContractType)
      {
        case JsonContractType.Object:
        case JsonContractType.Dictionary:
#if !(SILVERLIGHT || NETFX_CORE || PORTABLE)
        case JsonContractType.Serializable:
#endif
#if !(NET35 || NET20 || WINDOWS_PHONE || PORTABLE)
        case JsonContractType.Dynamic:
#endif
          return @"JSON object (e.g. {""name"":""value""})";
        case JsonContractType.Array:
          return @"JSON array (e.g. [1,2,3])";
        case JsonContractType.Primitive:
          return @"JSON primitive value (e.g. string, number, boolean, null)";
        case JsonContractType.String:
          return @"JSON string value";
        default:
          throw new ArgumentOutOfRangeException();
      }
    }
    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 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)
      {
        writer.WritePropertyName(JsonTypeReflector.IdPropertyName);
        writer.WriteValue(Serializer.ReferenceResolver.GetReference(this, value));
      }
      if (ShouldWriteType(TypeNameHandling.Objects, contract, member, collectionContract, containerProperty))
      {
        WriteTypeProperty(writer, contract.UnderlyingType);
      }
    }
    private object EnsureType(JsonReader reader, object value, CultureInfo culture, JsonContract contract, Type targetType)
    {
      if (targetType == null)
        return value;

      Type valueType = ReflectionUtils.GetObjectType(value);

      // type of value and type of target don't match
      // attempt to convert value's type to target's type
      if (valueType != targetType)
      {
        try
        {
          if (value == null && contract.IsNullable)
            return null;

          if (contract.IsConvertable)
          {
            if (contract.NonNullableUnderlyingType.IsEnum())
              {
                if (value is string)
                  return Enum.Parse(contract.NonNullableUnderlyingType, value.ToString(), true);
                else if (ConvertUtils.IsInteger(value))
                  return Enum.ToObject(contract.NonNullableUnderlyingType, value);
              }

              return Convert.ChangeType(value, contract.NonNullableUnderlyingType, culture);
          }

          return ConvertUtils.ConvertOrCast(value, culture, contract.NonNullableUnderlyingType);
        }
        catch (Exception ex)
        {
          throw JsonSerializationException.Create(reader, "Error converting value {0} to type '{1}'.".FormatWith(CultureInfo.InvariantCulture, FormatValueForPrint(value), targetType), ex);
        }
      }

      return 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);

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

        _serializeStack.RemoveAt(_serializeStack.Count - 1);
      }
    }
    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 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, arrayContract.CreateWrapper(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, 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;
      }
    }
    private bool ReadForType(JsonReader reader, JsonContract contract, bool hasConverter)
    {
      // don't read properties with converters as a specific value
      // the value might be a string which will then get converted which will error if read as date for example
      if (hasConverter)
        return reader.Read();

      ReadType t = (contract != null) ? contract.InternalReadType : ReadType.Read;

      switch (t)
      {
        case ReadType.Read:
          do
          {
            if (!reader.Read())
              return false;
          } while (reader.TokenType == JsonToken.Comment);

          return true;
        case ReadType.ReadAsInt32:
          reader.ReadAsInt32();
          break;
        case ReadType.ReadAsDecimal:
          reader.ReadAsDecimal();
          break;
        case ReadType.ReadAsBytes:
          reader.ReadAsBytes();
          break;
        case ReadType.ReadAsString:
          reader.ReadAsString();
          break;
        case ReadType.ReadAsDateTime:
          reader.ReadAsDateTime();
          break;
#if !NET20
        case ReadType.ReadAsDateTimeOffset:
          reader.ReadAsDateTimeOffset();
          break;
#endif
        default:
          throw new ArgumentOutOfRangeException();
      }

      return (reader.TokenType != JsonToken.None);
    }