private object CreateObject(JsonReader reader, Type objectType, object existingValue, JsonConverter memberConverter)
{
_level++;
object value;
JsonConverter converter;
if (memberConverter != null)
{
return memberConverter.ReadJson(reader, objectType);
}
else if (objectType != null && HasClassConverter(objectType, out converter))
{
return converter.ReadJson(reader, objectType);
}
else if (objectType != null && HasMatchingConverter(objectType, out converter))
{
return converter.ReadJson(reader, objectType);
}
else if (objectType == typeof(JsonRaw))
{
return JsonRaw.Create(reader);
}
else
{
switch (reader.TokenType)
{
// populate a typed object or generic dictionary/array
// depending upon whether an objectType was supplied
case JsonToken.StartObject:
if (objectType == null)
{
value = CreateJToken(reader);
}
else if (typeof(IDictionary).IsAssignableFrom(objectType) || ReflectionUtils.ImplementsGenericDefinition(objectType, typeof(IDictionary<,>)))
{
if (existingValue == null)
value = CreateAndPopulateDictionary(reader, objectType);
else
value = PopulateDictionary(CollectionUtils.CreateDictionaryWrapper(existingValue), reader);
}
else
{
if (existingValue == null)
value = CreateAndPopulateObject(reader, objectType);
else
value = PopulateObject(existingValue, reader, objectType);
}
break;
case JsonToken.StartArray:
if (objectType != null)
{
if (existingValue == null)
value = CreateAndPopulateList(reader, objectType);
else
value = PopulateList(CollectionUtils.CreateCollectionWrapper(existingValue), ReflectionUtils.GetCollectionItemType(objectType), reader);
}
else
{
value = CreateJToken(reader);
}
break;
case JsonToken.Integer:
case JsonToken.Float:
case JsonToken.String:
case JsonToken.Boolean:
case JsonToken.Date:
value = EnsureType(reader.Value, objectType);
break;
case JsonToken.StartConstructor:
case JsonToken.EndConstructor:
string constructorName = reader.Value.ToString();
value = constructorName;
break;
case JsonToken.Null:
case JsonToken.Undefined:
if (objectType == typeof(DBNull))
value = DBNull.Value;
else
value = null;
break;
default:
throw new JsonSerializationException("Unexpected token while deserializing object: " + reader.TokenType);
}
}
_level--;
return value;
}
