private void SerializeDictionary(JsonWriter writer, IWrappedDictionary values, JsonDictionaryContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
{
contract.InvokeOnSerializing(values.UnderlyingDictionary, Serializer.Context);
_serializeStack.Add(values.UnderlyingDictionary);
WriteObjectStart(writer, values.UnderlyingDictionary, contract, member, collectionContract, containerProperty);
if (contract.ItemContract == null)
{
contract.ItemContract = Serializer.ContractResolver.ResolveContract(contract.DictionaryValueType ?? typeof(object));
}
int initialDepth = writer.Top;
// Mono Unity 3.0 fix
IWrappedDictionary d = values;
foreach (DictionaryEntry entry in d)
{
string propertyName = GetPropertyName(entry);
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);
WriteReference(writer, value);
}
else
{
if (!CheckForCircularReference(writer, value, null, valueContract, contract, member))
{
continue;
}
writer.WritePropertyName(propertyName);
SerializeValue(writer, value, valueContract, null, contract, member);
}
}
catch (Exception ex)
{
if (IsErrorHandled(values.UnderlyingDictionary, contract, propertyName, writer.ContainerPath, ex))
{
HandleError(writer, initialDepth);
}
else
{
throw;
}
}
}
writer.WriteEndObject();
_serializeStack.RemoveAt(_serializeStack.Count - 1);
contract.InvokeOnSerialized(values.UnderlyingDictionary, Serializer.Context);
}
private void SerializeList(JsonWriter writer, IWrappedCollection values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
{
contract.InvokeOnSerializing(values.UnderlyingCollection, Serializer.Context);
_serializeStack.Add(values.UnderlyingCollection);
bool hasWrittenMetadataObject = WriteStartArray(writer, values, 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(values.UnderlyingCollection, contract, index, writer.ContainerPath, ex))
{
HandleError(writer, initialDepth);
}
else
{
throw;
}
}
finally
{
index++;
}
}
writer.WriteEndArray();
if (hasWrittenMetadataObject)
{
writer.WriteEndObject();
}
_serializeStack.RemoveAt(_serializeStack.Count - 1);
contract.InvokeOnSerialized(values.UnderlyingCollection, Serializer.Context);
}
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 void SerializeObject(JsonWriter writer, object value, JsonObjectContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
{
contract.InvokeOnSerializing(value, Serializer.Context);
_serializeStack.Add(value);
WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);
int initialDepth = writer.Top;
foreach (JsonProperty property in contract.Properties)
{
try
{
if (!property.Ignored && property.Readable && ShouldSerialize(property, value) && IsSpecified(property, value))
{
if (property.PropertyContract == null)
{
property.PropertyContract = Serializer.ContractResolver.ResolveContract(property.PropertyType);
}
object memberValue = property.ValueProvider.GetValue(value);
JsonContract memberContract = (property.PropertyContract.UnderlyingType.IsSealed()) ? property.PropertyContract : GetContractSafe(memberValue);
if (ShouldWriteProperty(memberValue, property))
{
string propertyName = property.PropertyName;
if (ShouldWriteReference(memberValue, property, memberContract, contract, member))
{
writer.WritePropertyName(propertyName);
WriteReference(writer, memberValue);
continue;
}
if (!CheckForCircularReference(writer, memberValue, property, memberContract, contract, member))
{
continue;
}
if (memberValue == null)
{
Required resolvedRequired = property._required ?? contract.ItemRequired ?? 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);
}
}
writer.WritePropertyName(propertyName);
SerializeValue(writer, memberValue, memberContract, property, contract, member);
}
}
}
catch (Exception ex)
{
if (IsErrorHandled(value, contract, property.PropertyName, writer.ContainerPath, ex))
{
HandleError(writer, initialDepth);
}
else
{
throw;
}
}
}
writer.WriteEndObject();
_serializeStack.RemoveAt(_serializeStack.Count - 1);
contract.InvokeOnSerialized(value, Serializer.Context);
}
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 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;
SerializeList(writer, arrayContract.CreateWrapper(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;
}
}
