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 bool WriteStartArray(JsonWriter writer, IWrappedCollection values, JsonArrayContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty) { bool isReference = ResolveIsReference(contract, member, containerContract, containerProperty) ?? HasFlag(Serializer.PreserveReferencesHandling, PreserveReferencesHandling.Arrays); bool includeTypeDetails = ShouldWriteType(TypeNameHandling.Arrays, contract, member, containerContract, containerProperty); bool writeMetadataObject = isReference || includeTypeDetails; if (writeMetadataObject) { writer.WriteStartObject(); if (isReference) { writer.WritePropertyName(JsonTypeReflector.IdPropertyName); writer.WriteValue(Serializer.ReferenceResolver.GetReference(this, values.UnderlyingCollection)); } if (includeTypeDetails) { WriteTypeProperty(writer, values.UnderlyingCollection.GetType()); } writer.WritePropertyName(JsonTypeReflector.ArrayValuesPropertyName); } if (contract.ItemContract == null) contract.ItemContract = Serializer.ContractResolver.ResolveContract(contract.CollectionItemType ?? typeof (object)); return writeMetadataObject; }
private object PopulateList(IWrappedCollection wrappedList, JsonReader reader, JsonArrayContract contract, JsonProperty containerProperty, string id) { object list = wrappedList.UnderlyingCollection; if (id != null) Serializer.ReferenceResolver.AddReference(this, id, list); // can't populate an existing array if (wrappedList.IsFixedSize) { reader.Skip(); return list; } contract.InvokeOnDeserializing(list, Serializer.Context); int initialDepth = reader.Depth; JsonContract collectionItemContract = GetContractSafe(contract.CollectionItemType); JsonConverter collectionItemConverter = GetConverter(collectionItemContract, null, contract, containerProperty); int? previousErrorIndex = null; while (true) { try { if (ReadForType(reader, collectionItemContract, collectionItemConverter != null)) { switch (reader.TokenType) { case JsonToken.EndArray: contract.InvokeOnDeserialized(list, Serializer.Context); return list; case JsonToken.Comment: break; default: object value; if (collectionItemConverter != null && collectionItemConverter.CanRead) value = collectionItemConverter.ReadJson(reader, contract.CollectionItemType, null, GetInternalSerializer()); else value = CreateValueInternal(reader, contract.CollectionItemType, collectionItemContract, null, contract, containerProperty, null); wrappedList.Add(value); break; } } else { break; } } catch (Exception ex) { JsonPosition errorPosition = reader.GetPosition(initialDepth); if (IsErrorHandled(list, contract, errorPosition.Position, reader.Path, ex)) { HandleError(reader, true, initialDepth); if (previousErrorIndex != null && previousErrorIndex == errorPosition.Position) { // reader index has not moved since previous error handling // break out of reading array to prevent infinite loop throw JsonSerializationException.Create(reader, "Infinite loop detected from error handling.", ex); } else { previousErrorIndex = errorPosition.Position; } } else { throw; } } } throw JsonSerializationException.Create(reader, "Unexpected end when deserializing array."); }