コード例 #1
0
        private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            OnSerializing(writer, contract, value);
            _serializeStack.Add(value);

            WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);

            int initialDepth = writer.Top;

            for (int index = 0; index < contract.Properties.Count; index++)
            {
                JsonProperty property = contract.Properties[index];

                // only write non-dynamic properties that have an explicit attribute
                if (property.HasMemberAttribute)
                {
                    try
                    {
                        object memberValue;
                        JsonContract memberContract;

                        if (!CalculatePropertyValues(writer, value, contract, member, property, out memberContract, out memberValue))
                            continue;

                        property.WritePropertyName(writer);
                        SerializeValue(writer, memberValue, memberContract, property, contract, member);
                    }
                    catch (Exception ex)
                    {
                        if (IsErrorHandled(value, contract, property.PropertyName, null, writer.ContainerPath, ex))
                            HandleError(writer, initialDepth);
                        else
                            throw;
                    }
                }
            }

            foreach (string memberName in value.GetDynamicMemberNames())
            {
                object memberValue;
                if (contract.TryGetMember(value, memberName, out memberValue))
                {
                    try
                    {
                        JsonContract valueContract = GetContractSafe(memberValue);

                        if (!ShouldWriteDynamicProperty(memberValue))
                            continue;

                        if (CheckForCircularReference(writer, memberValue, null, valueContract, contract, member))
                        {
                            string resolvedPropertyName = (contract.PropertyNameResolver != null)
                                ? contract.PropertyNameResolver(memberName)
                                : memberName;

                            writer.WritePropertyName(resolvedPropertyName);
                            SerializeValue(writer, memberValue, valueContract, null, contract, member);
                        }
                    }
                    catch (Exception ex)
                    {
                        if (IsErrorHandled(value, contract, memberName, null, writer.ContainerPath, ex))
                            HandleError(writer, initialDepth);
                        else
                            throw;
                    }
                }
            }

            writer.WriteEndObject();

            _serializeStack.RemoveAt(_serializeStack.Count - 1);
            OnSerialized(writer, contract, value);
        }
コード例 #2
0
        private object CreateDynamic(JsonReader reader, JsonDynamicContract contract, JsonProperty member, string id)
        {
            IDynamicMetaObjectProvider newObject;

            if (!contract.IsInstantiable)
                throw JsonSerializationException.Create(reader, "Could not create an instance of type {0}. Type is an interface or abstract class and cannot be instantiated.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));

            if (contract.DefaultCreator != null &&
                (!contract.DefaultCreatorNonPublic || Serializer._constructorHandling == ConstructorHandling.AllowNonPublicDefaultConstructor))
                newObject = (IDynamicMetaObjectProvider)contract.DefaultCreator();
            else
                throw JsonSerializationException.Create(reader, "Unable to find a default constructor to use for type {0}.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));

            if (id != null)
                AddReference(reader, id, newObject);

            OnDeserializing(reader, contract, newObject);

            int initialDepth = reader.Depth;

            bool finished = false;
            do
            {
                switch (reader.TokenType)
                {
                    case JsonToken.PropertyName:
                        string memberName = reader.Value.ToString();

                        try
                        {
                            if (!reader.Read())
                                throw JsonSerializationException.Create(reader, "Unexpected end when setting {0}'s value.".FormatWith(CultureInfo.InvariantCulture, memberName));

                            // first attempt to find a settable property, otherwise fall back to a dynamic set without type
                            JsonProperty property = contract.Properties.GetClosestMatchProperty(memberName);

                            if (property != null && property.Writable && !property.Ignored)
                            {
                                if (property.PropertyContract == null)
                                    property.PropertyContract = GetContractSafe(property.PropertyType);

                                JsonConverter propertyConverter = GetConverter(property.PropertyContract, property.MemberConverter, null, null);

                                if (!SetPropertyValue(property, propertyConverter, null, member, reader, newObject))
                                    reader.Skip();
                            }
                            else
                            {
                                Type t = (JsonReader.IsPrimitiveToken(reader.TokenType)) ? reader.ValueType : typeof(IDynamicMetaObjectProvider);

                                JsonContract dynamicMemberContract = GetContractSafe(t);
                                JsonConverter dynamicMemberConverter = GetConverter(dynamicMemberContract, null, null, member);

                                object value;
                                if (dynamicMemberConverter != null && dynamicMemberConverter.CanRead)
                                    value = DeserializeConvertable(dynamicMemberConverter, reader, t, null);
                                else
                                    value = CreateValueInternal(reader, t, dynamicMemberContract, null, null, member, null);

                                contract.TrySetMember(newObject, memberName, value);
                            }
                        }
                        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;
                    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.");

            OnDeserialized(reader, contract, newObject);

            return newObject;
        }
コード例 #3
0
        private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            OnSerializing(writer, contract, value);
            _serializeStack.Add(value);

            WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);

            int initialDepth = writer.Top;

            for (int index = 0; index < contract.Properties.Count; index++)
            {
                JsonProperty property = contract.Properties[index];

                // only write non-dynamic properties that have an explicit attribute
                if (property.HasMemberAttribute)
                {
                    try
                    {
                        object       memberValue;
                        JsonContract memberContract;

                        if (!CalculatePropertyValues(writer, value, contract, member, property, out memberContract, out memberValue))
                        {
                            continue;
                        }

                        property.WritePropertyName(writer);
                        SerializeValue(writer, memberValue, memberContract, property, contract, member);
                    }
                    catch (Exception ex)
                    {
                        if (IsErrorHandled(value, contract, property.PropertyName, null, writer.ContainerPath, ex))
                        {
                            HandleError(writer, initialDepth);
                        }
                        else
                        {
                            throw;
                        }
                    }
                }
            }

            foreach (string memberName in value.GetDynamicMemberNames())
            {
                object memberValue;
                if (contract.TryGetMember(value, memberName, out memberValue))
                {
                    try
                    {
                        JsonContract valueContract = GetContractSafe(memberValue);

                        if (!ShouldWriteDynamicProperty(memberValue))
                        {
                            continue;
                        }

                        if (CheckForCircularReference(writer, memberValue, null, valueContract, contract, member))
                        {
                            string resolvedPropertyName = (contract.PropertyNameResolver != null)
                                ? contract.PropertyNameResolver(memberName)
                                : memberName;

                            writer.WritePropertyName(resolvedPropertyName);
                            SerializeValue(writer, memberValue, valueContract, null, contract, member);
                        }
                    }
                    catch (Exception ex)
                    {
                        if (IsErrorHandled(value, contract, memberName, null, writer.ContainerPath, ex))
                        {
                            HandleError(writer, initialDepth);
                        }
                        else
                        {
                            throw;
                        }
                    }
                }
            }

            writer.WriteEndObject();

            _serializeStack.RemoveAt(_serializeStack.Count - 1);
            OnSerialized(writer, contract, value);
        }