private object PopulateObject(object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, string id)
{
OnDeserializing(reader, contract, newObject);
// only need to keep a track of properies presence if they are required or a value should be defaulted if missing
Dictionary<JsonProperty, PropertyPresence> propertiesPresence = (contract.HasRequiredOrDefaultValueProperties || HasFlag(Serializer._defaultValueHandling, DefaultValueHandling.Populate))
? contract.Properties.ToDictionary(m => m, m => PropertyPresence.None)
: null;
if (id != null)
AddReference(reader, id, newObject);
int initialDepth = reader.Depth;
if (contract.MemberReader != null)
{
contract.MemberReader(reader, newObject, GetInternalSerializer());
}
else
{
bool finished = false;
do
{
switch (reader.TokenType)
{
case JsonToken.PropertyName:
{
string memberName = reader.Value.ToString();
if (CheckPropertyName(reader, memberName))
continue;
try
{
// attempt exact case match first
// then try match ignoring case
JsonProperty property = contract.Properties.GetClosestMatchProperty(memberName);
if (property == null)
{
if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Verbose)
TraceWriter.Trace(TraceLevel.Verbose, JsonPosition.FormatMessage(reader as IJsonLineInfo, reader.Path, "Could not find member '{0}' on {1}".FormatWith(CultureInfo.InvariantCulture, memberName, contract.UnderlyingType)), null);
if (Serializer._missingMemberHandling == MissingMemberHandling.Error)
throw JsonSerializationException.Create(reader, "Could not find member '{0}' on object of type '{1}'".FormatWith(CultureInfo.InvariantCulture, memberName, contract.UnderlyingType.Name));
if (!reader.Read())
break;
SetExtensionData(contract, member, reader, memberName, newObject);
continue;
}
if (property.PropertyContract == null)
property.PropertyContract = GetContractSafe(property.PropertyType);
JsonConverter propertyConverter = GetConverter(property.PropertyContract, property.MemberConverter, contract, member);
if (!ReadForType(reader, property.PropertyContract, propertyConverter != null))
throw JsonSerializationException.Create(reader, "Unexpected end when setting {0}'s value.".FormatWith(CultureInfo.InvariantCulture, memberName));
SetPropertyPresence(reader, property, propertiesPresence);
// set extension data if property is ignored or readonly
if (!SetPropertyValue(property, propertyConverter, contract, member, reader, newObject))
SetExtensionData(contract, member, reader, memberName, newObject);
}
catch (Exception ex)
{
if (IsErrorHandled(newObject, contract, memberName, reader as IJsonLineInfo, reader.Path, ex))
HandleError(reader, true, initialDepth);
else
throw;
}
break;
}
case JsonToken.EndObject:
finished = true;
break;
case JsonToken.Comment:
// ignore
break;
default:
throw JsonSerializationException.Create(reader, "Unexpected token when deserializing object: " + reader.TokenType);
}
} while (!finished && reader.Read());
if (!finished)
ThrowUnexpectedEndException(reader, contract, newObject, "Unexpected end when deserializing object.");
}
EndObject(newObject, reader, contract, initialDepth, propertiesPresence);
OnDeserialized(reader, contract, newObject);
return newObject;
}