private object PopulateObject(object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, string id)
{
contract.InvokeOnDeserializing(newObject, Serializer.Context);
// 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)
Serializer.ReferenceResolver.AddReference(this, id, newObject);
int initialDepth = reader.Depth;
do
{
switch (reader.TokenType)
{
case JsonToken.PropertyName:
{
string memberName = reader.Value.ToString();
try
{
// attempt exact case match first
// then try match ignoring case
JsonProperty property = contract.Properties.GetClosestMatchProperty(memberName);
if (property == 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));
reader.Skip();
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);
SetPropertyValue(property, propertyConverter, contract, member, reader, newObject);
}
catch (Exception ex)
{
if (IsErrorHandled(newObject, contract, memberName, reader.Path, ex))
HandleError(reader, true, initialDepth);
else
throw;
}
}
break;
case JsonToken.EndObject:
{
EndObject(newObject, reader, contract, initialDepth, propertiesPresence);
contract.InvokeOnDeserialized(newObject, Serializer.Context);
return newObject;
}
case JsonToken.Comment:
// ignore
break;
default:
throw JsonSerializationException.Create(reader, "Unexpected token when deserializing object: " + reader.TokenType);
}
} while (reader.Read());
throw JsonSerializationException.Create(reader, "Unexpected end when deserializing object.");
}
private object CreateObjectFromNonDefaultConstructor(JsonReader reader, JsonObjectContract contract, JsonProperty containerProperty, ConstructorInfo constructorInfo, string id)
{
ValidationUtils.ArgumentNotNull(constructorInfo, "constructorInfo");
Type objectType = contract.UnderlyingType;
IDictionary<JsonProperty, object> propertyValues = ResolvePropertyAndConstructorValues(contract, containerProperty, reader, objectType);
IDictionary<ParameterInfo, object> constructorParameters = constructorInfo.GetParameters().ToDictionary(p => p, p => (object) null);
IDictionary<JsonProperty, object> remainingPropertyValues = new Dictionary<JsonProperty, object>();
foreach (KeyValuePair<JsonProperty, object> propertyValue in propertyValues)
{
ParameterInfo matchingConstructorParameter = constructorParameters.ForgivingCaseSensitiveFind(kv => kv.Key.Name, propertyValue.Key.UnderlyingName).Key;
if (matchingConstructorParameter != null)
constructorParameters[matchingConstructorParameter] = propertyValue.Value;
else
remainingPropertyValues.Add(propertyValue);
}
object createdObject = constructorInfo.Invoke(constructorParameters.Values.ToArray());
if (id != null)
Serializer.ReferenceResolver.AddReference(this, id, createdObject);
contract.InvokeOnDeserializing(createdObject, Serializer.Context);
// go through unused values and set the newly created object's properties
foreach (KeyValuePair<JsonProperty, object> remainingPropertyValue in remainingPropertyValues)
{
JsonProperty property = remainingPropertyValue.Key;
object value = remainingPropertyValue.Value;
if (ShouldSetPropertyValue(remainingPropertyValue.Key, remainingPropertyValue.Value))
{
property.ValueProvider.SetValue(createdObject, value);
}
else if (!property.Writable && value != null)
{
// handle readonly collection/dictionary properties
JsonContract propertyContract = Serializer.ContractResolver.ResolveContract(property.PropertyType);
if (propertyContract.ContractType == JsonContractType.Array)
{
JsonArrayContract propertyArrayContract = (JsonArrayContract)propertyContract;
object createdObjectCollection = property.ValueProvider.GetValue(createdObject);
if (createdObjectCollection != null)
{
IWrappedCollection createdObjectCollectionWrapper = propertyArrayContract.CreateWrapper(createdObjectCollection);
IWrappedCollection newValues = propertyArrayContract.CreateWrapper(value);
foreach (object newValue in newValues)
{
createdObjectCollectionWrapper.Add(newValue);
}
}
}
else if (propertyContract.ContractType == JsonContractType.Dictionary)
{
JsonDictionaryContract jsonDictionaryContract = (JsonDictionaryContract)propertyContract;
object createdObjectDictionary = property.ValueProvider.GetValue(createdObject);
if (createdObjectDictionary != null)
{
IWrappedDictionary createdObjectDictionaryWrapper = jsonDictionaryContract.CreateWrapper(createdObjectDictionary);
IWrappedDictionary newValues = jsonDictionaryContract.CreateWrapper(value);
foreach (DictionaryEntry newValue in newValues)
{
createdObjectDictionaryWrapper.Add(newValue.Key, newValue.Value);
}
}
}
}
}
contract.InvokeOnDeserialized(createdObject, Serializer.Context);
return createdObject;
}
