C# Serialization.JsonProperty类代码示例

        private bool ShouldSerialize(JsonTextWriterWithDepth jw, JsonProperty property, object obj, int maxDepth, IEnumerable<string> excludedPropertyNames) {
            if (excludedPropertyNames != null && property.PropertyName.AnyWildcardMatches(excludedPropertyNames, true))
                return false;

            bool isPrimitiveType = DefaultContractResolver.IsJsonPrimitiveType(property.PropertyType);
            bool isPastMaxDepth = !(isPrimitiveType ? jw.CurrentDepth <= maxDepth : jw.CurrentDepth < maxDepth);
            if (isPastMaxDepth)
                return false;

            if (isPrimitiveType)
                return true;

            object value = property.ValueProvider.GetValue(obj);
            if (value == null)
                return false;

            if (typeof(ICollection).IsAssignableFrom(property.PropertyType)) {
                var collection = value as ICollection;
                if (collection != null && collection.Count == 0)
                    return false;
            }

            var collectionType = value.GetType().GetInterfaces().FirstOrDefault(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof(ICollection<>));
            if (collectionType != null) {
                int count = (int)collectionType.GetProperty("Count").GetValue(value, null);
                if (count == 0)
                    return false;
            }

            return true;
        }

        private void SerializeMultidimensionalArray(JsonWriter writer, Array values, JsonArrayContract contract, JsonProperty member, int initialDepth, int[] indices)
        {
            int dimension = indices.Length;
            int[] newIndices = new int[dimension + 1];
            for (int i = 0; i < dimension; i++)
            {
                newIndices[i] = indices[i];
            }

            writer.WriteStartArray();

            for (int i = 0; i < values.GetLength(dimension); i++)
            {
                newIndices[dimension] = i;
                bool isTopLevel = (newIndices.Length == values.Rank);

                if (isTopLevel)
                {
                    object value = values.GetValue(newIndices);

                    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, contract, i, null, writer.ContainerPath, ex))
                            HandleError(writer, initialDepth + 1);
                        else
                            throw;
                    }
                }
                else
                {
                    SerializeMultidimensionalArray(writer, values, contract, member, initialDepth + 1, newIndices);
                }
            }

            writer.WriteEndArray();
        }

        private bool SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, object target)
        {
            object currentValue;
            bool useExistingValue;
            JsonContract propertyContract;
            bool gottenCurrentValue;

            if (CalculatePropertyDetails(property, ref propertyConverter, containerContract, containerProperty, reader, target, out useExistingValue, out currentValue, out propertyContract, out gottenCurrentValue))
                return false;

            object value;

            if (propertyConverter != null && propertyConverter.CanRead)
            {
                if (!gottenCurrentValue && target != null && property.Readable)
                    currentValue = property.ValueProvider.GetValue(target);

                value = DeserializeConvertable(propertyConverter, reader, property.PropertyType, currentValue);
            }
            else
            {
                value = CreateValueInternal(reader, property.PropertyType, propertyContract, property, containerContract, containerProperty, (useExistingValue) ? currentValue : null);
            }

            // always set the value if useExistingValue is false,
            // otherwise also set it if CreateValue returns a new value compared to the currentValue
            // this could happen because of a JsonConverter against the type
            if ((!useExistingValue || value != currentValue)
                && ShouldSetPropertyValue(property, value))
            {
                property.ValueProvider.SetValue(target, value);

                if (property.SetIsSpecified != null)
                {
                    if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Verbose)
                        TraceWriter.Trace(TraceLevel.Verbose, JsonPosition.FormatMessage(reader as IJsonLineInfo, reader.Path, "IsSpecified for property '{0}' on {1} set to true.".FormatWith(CultureInfo.InvariantCulture, property.PropertyName, property.DeclaringType)), null);

                    property.SetIsSpecified(target, true);
                }

                return true;
            }

            // the value wasn't set be JSON was populated onto the existing value
            return useExistingValue;
        }

        private void ResolveTypeName(JsonReader reader, ref Type objectType, ref JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, string qualifiedTypeName)
        {
            TypeNameHandling resolvedTypeNameHandling =
                ((member != null) ? member.TypeNameHandling : null)
                ?? ((containerContract != null) ? containerContract.ItemTypeNameHandling : null)
                ?? ((containerMember != null) ? containerMember.ItemTypeNameHandling : null)
                ?? Serializer._typeNameHandling;

            if (resolvedTypeNameHandling != TypeNameHandling.None)
            {
                string typeName;
                string assemblyName;
                ReflectionUtils.SplitFullyQualifiedTypeName(qualifiedTypeName, out typeName, out assemblyName);

                Type specifiedType;
                try
                {
                    specifiedType = Serializer._binder.BindToType(assemblyName, typeName);
                }
                catch (Exception ex)
                {
                    throw JsonSerializationException.Create(reader, "Error resolving type specified in JSON '{0}'.".FormatWith(CultureInfo.InvariantCulture, qualifiedTypeName), ex);
                }

                if (specifiedType == null)
                    throw JsonSerializationException.Create(reader, "Type specified in JSON '{0}' was not resolved.".FormatWith(CultureInfo.InvariantCulture, qualifiedTypeName));

                if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Verbose)
                    TraceWriter.Trace(TraceLevel.Verbose, JsonPosition.FormatMessage(reader as IJsonLineInfo, reader.Path, "Resolved type '{0}' to {1}.".FormatWith(CultureInfo.InvariantCulture, qualifiedTypeName, specifiedType)), null);

                if (objectType != null
#if !(NET35 || NET20 || PORTABLE40)
                    && objectType != typeof(IDynamicMetaObjectProvider)
#endif
                    && !objectType.IsAssignableFrom(specifiedType))
                    throw JsonSerializationException.Create(reader, "Type specified in JSON '{0}' is not compatible with '{1}'.".FormatWith(CultureInfo.InvariantCulture, specifiedType.AssemblyQualifiedName, objectType.AssemblyQualifiedName));

                objectType = specifiedType;
                contract = GetContractSafe(specifiedType);
            }
        }

        private bool ReadMetadataPropertiesToken(JTokenReader reader, ref Type objectType, ref JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, object existingValue, out object newValue, out string id)
        {
            id = null;
            newValue = null;

            if (reader.TokenType == JsonToken.StartObject)
            {
                JObject current = (JObject)reader._current;

                JToken refToken = current[JsonTypeReflector.RefPropertyName];
                if (refToken != null)
                {
                    if (refToken.Type != JTokenType.String && refToken.Type != JTokenType.Null)
                        throw JsonSerializationException.Create(refToken, refToken.Path, "JSON reference {0} property must have a string or null value.".FormatWith(CultureInfo.InvariantCulture, JsonTypeReflector.RefPropertyName), null);

                    JToken property = refToken.Parent;
                    JToken additionalContent = null;
                    if (property.Next != null)
                        additionalContent = property.Next;
                    else if (property.Previous != null)
                        additionalContent = property.Previous;

                    string reference = (string)refToken;

                    if (reference != null)
                    {
                        if (additionalContent != null)
                            throw JsonSerializationException.Create(additionalContent, additionalContent.Path, "Additional content found in JSON reference object. A JSON reference object should only have a {0} property.".FormatWith(CultureInfo.InvariantCulture, JsonTypeReflector.RefPropertyName), null);

                        newValue = Serializer.GetReferenceResolver().ResolveReference(this, reference);

                        if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Info)
                            TraceWriter.Trace(TraceLevel.Info, JsonPosition.FormatMessage(reader as IJsonLineInfo, reader.Path, "Resolved object reference '{0}' to {1}.".FormatWith(CultureInfo.InvariantCulture, reference, newValue.GetType())), null);

                        reader.Skip();
                        return true;
                    }
                }
                JToken typeToken = current[JsonTypeReflector.TypePropertyName];
                if (typeToken != null)
                {
                    string qualifiedTypeName = (string)typeToken;
                    JsonReader typeTokenReader = typeToken.CreateReader();
                    CheckedRead(typeTokenReader);
                    ResolveTypeName(typeTokenReader, ref objectType, ref contract, member, containerContract, containerMember, qualifiedTypeName);

                    JToken valueToken = current[JsonTypeReflector.ValuePropertyName];
                    if (valueToken != null)
                    {
                        while (true)
                        {
                            CheckedRead(reader);
                            if (reader.TokenType == JsonToken.PropertyName)
                            {
                                if ((string)reader.Value == JsonTypeReflector.ValuePropertyName)
                                    return false;
                            }

                            CheckedRead(reader);
                            reader.Skip();
                        }
                    }
                }
                JToken idToken = current[JsonTypeReflector.IdPropertyName];
                if (idToken != null)
                {
                    id = (string)idToken;
                }
                JToken valuesToken = current[JsonTypeReflector.ArrayValuesPropertyName];
                if (valuesToken != null)
                {
                    JsonReader listReader = valuesToken.CreateReader();
                    CheckedRead(listReader);
                    newValue = CreateList(listReader, objectType, contract, member, existingValue, id);

                    reader.Skip();
                    return true;
                }
            }

            CheckedRead(reader);
            return false;
        }

 private JsonConverter GetConverter(JsonContract contract, JsonConverter memberConverter, JsonContainerContract containerContract, JsonProperty containerProperty)
 {
     JsonConverter converter = null;
     if (memberConverter != null)
     {
         // member attribute converter
         converter = memberConverter;
     }
     else if (containerProperty != null && containerProperty.ItemConverter != null)
     {
         converter = containerProperty.ItemConverter;
     }
     else if (containerContract != null && containerContract.ItemConverter != null)
     {
         converter = containerContract.ItemConverter;
     }
     else if (contract != null)
     {
         JsonConverter matchingConverter;
         if (contract.Converter != null)
             // class attribute converter
             converter = contract.Converter;
         else if ((matchingConverter = Serializer.GetMatchingConverter(contract.UnderlyingType)) != null)
             // passed in converters
             converter = matchingConverter;
         else if (contract.InternalConverter != null)
             // internally specified converter
             converter = contract.InternalConverter;
     }
     return converter;
 }

 private void SetPropertyPresence(JsonReader reader, JsonProperty property, Dictionary<JsonProperty, PropertyPresence> requiredProperties)
 {
     if (property != null && requiredProperties != null)
     {
         requiredProperties[property] = (reader.TokenType == JsonToken.Null || reader.TokenType == JsonToken.Undefined)
             ? PropertyPresence.Null
             : PropertyPresence.Value;
     }
 }

        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;

            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;
        }

        internal object CreateISerializableItem(JToken token, Type type, JsonISerializableContract contract, JsonProperty member)
        {
            JsonContract itemContract = GetContractSafe(type);
            JsonConverter itemConverter = GetConverter(itemContract, null, contract, member);

            JsonReader tokenReader = token.CreateReader();
            CheckedRead(tokenReader); // Move to first token

            object result;
            if (itemConverter != null && itemConverter.CanRead)
                result = DeserializeConvertable(itemConverter, tokenReader, type, null);
            else
                result = CreateValueInternal(tokenReader, type, itemContract, null, contract, member, null);

            return result;
        }

        private bool ShouldWriteType(TypeNameHandling typeNameHandlingFlag, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
        {
            TypeNameHandling resolvedTypeNameHandling =
                ((member != null) ? member.TypeNameHandling : null)
                ?? ((containerProperty != null) ? containerProperty.ItemTypeNameHandling : null)
                ?? ((containerContract != null) ? containerContract.ItemTypeNameHandling : null)
                ?? Serializer._typeNameHandling;

            if (HasFlag(resolvedTypeNameHandling, typeNameHandlingFlag))
                return true;

            // instance type and the property's type's contract default type are different (no need to put the type in JSON because the type will be created by default)
            if (HasFlag(resolvedTypeNameHandling, TypeNameHandling.Auto))
            {
                if (member != null)
                {
                    if (contract.UnderlyingType != member.PropertyContract.CreatedType)
                        return true;
                }
                else if (containerContract != null)
                {
                    if (containerContract.ItemContract == null || contract.UnderlyingType != containerContract.ItemContract.CreatedType)
                        return true;
                }
                else if (_rootContract != null && _serializeStack.Count == _rootLevel)
                {
                    if (contract.UnderlyingType != _rootContract.CreatedType)
                        return true;
                }
            }

            return false;
        }

        private void SerializeDictionary(JsonWriter writer, IDictionary values, JsonDictionaryContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            IWrappedDictionary wrappedDictionary = values as IWrappedDictionary;
            object underlyingDictionary = wrappedDictionary != null ? wrappedDictionary.UnderlyingDictionary : values;

            OnSerializing(writer, contract, underlyingDictionary);
            _serializeStack.Add(underlyingDictionary);

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

            if (contract.ItemContract == null)
                contract.ItemContract = Serializer._contractResolver.ResolveContract(contract.DictionaryValueType ?? typeof(object));

            if (contract.KeyContract == null)
                contract.KeyContract = Serializer._contractResolver.ResolveContract(contract.DictionaryKeyType ?? typeof(object));

            int initialDepth = writer.Top;

            foreach (DictionaryEntry entry in values)
            {
                bool escape;
                string propertyName = GetPropertyName(writer, entry.Key, contract.KeyContract, out escape);

                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, escape);
                        WriteReference(writer, value);
                    }
                    else
                    {
                        if (!CheckForCircularReference(writer, value, null, valueContract, contract, member))
                            continue;

                        writer.WritePropertyName(propertyName, escape);

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

            writer.WriteEndObject();

            _serializeStack.RemoveAt(_serializeStack.Count - 1);

            OnSerialized(writer, contract, underlyingDictionary);
        }

        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);
        }

        private void SerializeISerializable(JsonWriter writer, ISerializable value, JsonISerializableContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
        {
            if (!JsonTypeReflector.FullyTrusted)
            {
                string message = @"Type '{0}' implements ISerializable but cannot be serialized using the ISerializable interface because the current application is not fully trusted and ISerializable can expose secure data." + Environment.NewLine +
                                 @"To fix this error either change the environment to be fully trusted, change the application to not deserialize the type, add JsonObjectAttribute to the type or change the JsonSerializer setting ContractResolver to use a new DefaultContractResolver with IgnoreSerializableInterface set to true." + Environment.NewLine;
                message = message.FormatWith(CultureInfo.InvariantCulture, value.GetType());

                throw JsonSerializationException.Create(null, writer.ContainerPath, message, null);
            }

            OnSerializing(writer, contract, value);
            _serializeStack.Add(value);

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

            SerializationInfo serializationInfo = new SerializationInfo(contract.UnderlyingType, new FormatterConverter());
            value.GetObjectData(serializationInfo, Serializer._context);

            foreach (SerializationEntry serializationEntry in serializationInfo)
            {
                JsonContract valueContract = GetContractSafe(serializationEntry.Value);

                if (ShouldWriteReference(serializationEntry.Value, null, valueContract, contract, member))
                {
                    writer.WritePropertyName(serializationEntry.Name);
                    WriteReference(writer, serializationEntry.Value);
                }
                else if (CheckForCircularReference(writer, serializationEntry.Value, null, valueContract, contract, member))
                {
                    writer.WritePropertyName(serializationEntry.Name);
                    SerializeValue(writer, serializationEntry.Value, valueContract, null, contract, member);
                }
            }

            writer.WriteEndObject();

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

        private bool WriteStartArray(JsonWriter writer, object 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)
                {
                    WriteReferenceIdProperty(writer, contract.UnderlyingType, values);
                }
                if (includeTypeDetails)
                {
                    WriteTypeProperty(writer, values.GetType());
                }
                writer.WritePropertyName(JsonTypeReflector.ArrayValuesPropertyName, false);
            }

            if (contract.ItemContract == null)
                contract.ItemContract = Serializer._contractResolver.ResolveContract(contract.CollectionItemType ?? typeof(object));

            return writeMetadataObject;
        }

        private IDictionary<JsonProperty, object> ResolvePropertyAndCreatorValues(JsonObjectContract contract, JsonProperty containerProperty, JsonReader reader, Type objectType, out IDictionary<string, object> extensionData)
        {
            extensionData = (contract.ExtensionDataSetter != null) ? new Dictionary<string, object>() : null;

            IDictionary<JsonProperty, object> propertyValues = new Dictionary<JsonProperty, object>();
            bool exit = false;
            do
            {
                switch (reader.TokenType)
                {
                    case JsonToken.PropertyName:
                        string memberName = reader.Value.ToString();

                        // attempt exact case match first
                        // then try match ignoring case
                        JsonProperty property = contract.CreatorParameters.GetClosestMatchProperty(memberName) ??
                                                contract.Properties.GetClosestMatchProperty(memberName);

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

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

                            if (!ReadForType(reader, property.PropertyContract, propertyConverter != null))
                                throw JsonSerializationException.Create(reader, "Unexpected end when setting {0}'s value.".FormatWith(CultureInfo.InvariantCulture, memberName));

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

                                object propertyValue;
                                if (propertyConverter != null && propertyConverter.CanRead)
                                    propertyValue = DeserializeConvertable(propertyConverter, reader, property.PropertyType, null);
                                else
                                    propertyValue = CreateValueInternal(reader, property.PropertyType, property.PropertyContract, property, contract, containerProperty, null);

                                propertyValues[property] = propertyValue;
                                continue;
                            }
                        }
                        else
                        {
                            if (!reader.Read())
                                throw JsonSerializationException.Create(reader, "Unexpected end when setting {0}'s value.".FormatWith(CultureInfo.InvariantCulture, memberName));

                            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, objectType.Name));
                        }

                        if (extensionData != null)
                        {
                            object value = CreateValueInternal(reader, null, null, null, contract, containerProperty, null);
                            extensionData[memberName] = value;
                        }
                        else
                        {
                            reader.Skip();
                        }
                        break;
                    case JsonToken.Comment:
                        break;
                    case JsonToken.EndObject:
                        exit = true;
                        break;
                    default:
                        throw JsonSerializationException.Create(reader, "Unexpected token when deserializing object: " + reader.TokenType);
                }
            } while (!exit && reader.Read());

            return propertyValues;
        }