private JsonContract CreateContract(Type objectType)
{
if (JsonTypeReflector.GetJsonObjectAttribute(objectType) != null)
{
return(CreateObjectContract(objectType));
}
if (CollectionUtils.IsDictionaryType(objectType))
{
return(CreateDictionaryContract(objectType));
}
if (typeof(IEnumerable).IsAssignableFrom(objectType))
{
return(CreateArrayContract(objectType));
}
return(CreateObjectContract(objectType));
}
/// <summary>
/// Creates a <see cref="JsonProperty"/> for the given <see cref="MemberInfo"/>.
/// </summary>
/// <param name="contract">The member's declaring types <see cref="JsonObjectContract"/>.</param>
/// <param name="member">The member to create a <see cref="JsonProperty"/> for.</param>
/// <returns>A created <see cref="JsonProperty"/> for the given <see cref="MemberInfo"/>.</returns>
protected virtual JsonProperty CreateProperty(JsonObjectContract contract, MemberInfo member)
{
JsonProperty property = new JsonProperty();
property.Member = member;
#if !PocketPC
DataContractAttribute dataContractAttribute = JsonTypeReflector.GetDataContractAttribute(member.DeclaringType);
DataMemberAttribute dataMemberAttribute;
if (dataContractAttribute != null)
{
dataMemberAttribute = JsonTypeReflector.GetAttribute <DataMemberAttribute>(member);
}
else
{
dataMemberAttribute = null;
}
#endif
JsonPropertyAttribute propertyAttribute = JsonTypeReflector.GetAttribute <JsonPropertyAttribute>(member);
bool hasIgnoreAttribute = (JsonTypeReflector.GetAttribute <JsonIgnoreAttribute>(member) != null);
string mappedName;
if (propertyAttribute != null && propertyAttribute.PropertyName != null)
{
mappedName = propertyAttribute.PropertyName;
}
#if !PocketPC
else if (dataMemberAttribute != null && dataMemberAttribute.Name != null)
{
mappedName = dataMemberAttribute.Name;
}
#endif
else
{
mappedName = member.Name;
}
property.PropertyName = ResolvePropertyName(mappedName);
if (propertyAttribute != null)
{
property.Required = propertyAttribute.IsRequired;
}
#if !PocketPC
else if (dataMemberAttribute != null)
{
property.Required = dataMemberAttribute.IsRequired;
}
#endif
else
{
property.Required = false;
}
property.Ignored = (hasIgnoreAttribute ||
(contract.MemberSerialization == MemberSerialization.OptIn &&
propertyAttribute == null
#if !PocketPC
&& dataMemberAttribute == null
#endif
));
property.Readable = ReflectionUtils.CanReadMemberValue(member);
property.Writable = ReflectionUtils.CanSetMemberValue(member);
property.MemberConverter = JsonTypeReflector.GetConverter(member, ReflectionUtils.GetMemberUnderlyingType(member));
DefaultValueAttribute defaultValueAttribute = JsonTypeReflector.GetAttribute <DefaultValueAttribute>(member);
property.DefaultValue = (defaultValueAttribute != null) ? defaultValueAttribute.Value : null;
property.NullValueHandling = (propertyAttribute != null) ? propertyAttribute._nullValueHandling : null;
property.DefaultValueHandling = (propertyAttribute != null) ? propertyAttribute._defaultValueHandling : null;
property.ReferenceLoopHandling = (propertyAttribute != null) ? propertyAttribute._referenceLoopHandling : null;
property.IsReference = (propertyAttribute != null) ? propertyAttribute._isReference : null;
return(property);
}
private void SetPropertyValue(JsonProperty property, JsonReader reader, object target)
{
if (property.Ignored)
{
reader.Skip();
return;
}
// get the member's underlying type
Type memberType = ReflectionUtils.GetMemberUnderlyingType(property.Member);
object currentValue = null;
bool useExistingValue = false;
if ((_serializer.ObjectCreationHandling == ObjectCreationHandling.Auto || _serializer.ObjectCreationHandling == ObjectCreationHandling.Reuse) &&
(reader.TokenType == JsonToken.StartArray || reader.TokenType == JsonToken.StartObject))
{
currentValue = ReflectionUtils.GetMemberValue(property.Member, target);
useExistingValue = (currentValue != null && !memberType.IsArray && !ReflectionUtils.InheritsGenericDefinition(memberType, typeof(ReadOnlyCollection <>)));
}
if (!property.Writable && !useExistingValue)
{
reader.Skip();
return;
}
object value = CreateValue(reader, memberType, (useExistingValue) ? currentValue : null, JsonTypeReflector.GetConverter(property.Member, memberType));
if (!useExistingValue && ShouldSetPropertyValue(property, value))
{
ReflectionUtils.SetMemberValue(property.Member, target, value);
}
}
