/// <summary>
/// Determines which contract type is created for the given type.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns>A <see cref="JsonContract"/> for the given type.</returns>
protected virtual JsonContract CreateContract(Type objectType)
{
Type t = ReflectionUtils.EnsureNotNullableType(objectType);
if (JsonConvert.IsJsonPrimitiveType(t))
{
return(CreatePrimitiveContract(t));
}
if (JsonTypeReflector.GetJsonObjectAttribute(t) != null)
{
return(CreateObjectContract(t));
}
if (JsonTypeReflector.GetJsonArrayAttribute(t) != null)
{
return(CreateArrayContract(t));
}
if (t == typeof(JToken) || t.IsSubclassOf(typeof(JToken)))
{
return(CreateLinqContract(t));
}
if (CollectionUtils.IsDictionaryType(t))
{
return(CreateDictionaryContract(t));
}
if (typeof(IEnumerable).IsAssignableFrom(t))
{
return(CreateArrayContract(t));
}
if (CanConvertToString(t))
{
return(CreateStringContract(t));
}
#if !((UNITY_WINRT && !UNITY_EDITOR) || (UNITY_WP8 || UNITY_WP_8_1))
if (typeof(ISerializable).IsAssignableFrom(t))
{
return(CreateISerializableContract(t));
}
#endif
return(CreateObjectContract(t));
}
/// <summary>
/// Initializes a new instance of the <see cref="JsonContainerContract"/> class.
/// </summary>
/// <param name="underlyingType">The underlying type for the contract.</param>
internal JsonContainerContract(Type underlyingType)
: base(underlyingType)
{
JsonContainerAttribute jsonContainerAttribute = JsonTypeReflector.GetJsonContainerAttribute(underlyingType);
if (jsonContainerAttribute != null)
{
if (jsonContainerAttribute.ItemConverterType != null)
{
ItemConverter = JsonConverterAttribute.CreateJsonConverterInstance(jsonContainerAttribute.ItemConverterType);
}
ItemIsReference = jsonContainerAttribute._itemIsReference;
ItemReferenceLoopHandling = jsonContainerAttribute._itemReferenceLoopHandling;
ItemTypeNameHandling = jsonContainerAttribute._itemTypeNameHandling;
}
}
/// <summary>
/// Gets the serializable members for the type.
/// </summary>
/// <param name="objectType">The type to get serializable members for.</param>
/// <returns>The serializable members for the type.</returns>
protected virtual List <MemberInfo> GetSerializableMembers(Type objectType)
{
List <MemberInfo> defaultMembers = ReflectionUtils.GetFieldsAndProperties(objectType, DefaultMembersSearchFlags)
.Where(m => !ReflectionUtils.IsIndexedProperty(m)).ToList();
List <MemberInfo> allMembers = ReflectionUtils.GetFieldsAndProperties(objectType, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static)
.Where(m => !ReflectionUtils.IsIndexedProperty(m)).ToList();
List <MemberInfo> serializableMembers = new List <MemberInfo>();
foreach (MemberInfo member in allMembers)
{
// exclude members that are compiler generated if set
if (SerializeCompilerGeneratedMembers || !member.IsDefined(typeof(CompilerGeneratedAttribute), true))
{
if (defaultMembers.Contains(member))
{
// add all members that are found by default member search
serializableMembers.Add(member);
}
else
{
// add members that are explicitly marked with JsonProperty/DataMember attribute
if (JsonTypeReflector.GetAttribute <JsonPropertyAttribute>(member) != null)
{
serializableMembers.Add(member);
}
}
}
}
Type match;
// don't include EntityKey on entities objects... this is a bit hacky
if (objectType.AssignableToTypeName("System.Data.Objects.DataClasses.EntityObject", out match))
{
serializableMembers = serializableMembers.Where(ShouldSerializeEntityMember).ToList();
}
return(serializableMembers);
}
private void SetPropertySettingsFromAttributes(JsonProperty property, ICustomAttributeProvider attributeProvider, string name, Type declaringType, MemberSerialization memberSerialization, out bool allowNonPublicAccess, out bool hasExplicitAttribute)
{
hasExplicitAttribute = false;
JsonPropertyAttribute propertyAttribute = JsonTypeReflector.GetAttribute <JsonPropertyAttribute>(attributeProvider);
if (propertyAttribute != null)
{
hasExplicitAttribute = true;
}
bool hasIgnoreAttribute = (JsonTypeReflector.GetAttribute <JsonIgnoreAttribute>(attributeProvider) != null);
string mappedName;
if (propertyAttribute != null && propertyAttribute.PropertyName != null)
{
mappedName = propertyAttribute.PropertyName;
}
else
{
mappedName = name;
}
property.PropertyName = ResolvePropertyName(mappedName);
property.UnderlyingName = name;
if (propertyAttribute != null)
{
property.Required = propertyAttribute.Required;
property.Order = propertyAttribute._order;
}
else
{
property.Required = Required.Default;
}
property.Ignored = (hasIgnoreAttribute ||
(memberSerialization == MemberSerialization.OptIn &&
propertyAttribute == null
));
// resolve converter for property
// the class type might have a converter but the property converter takes presidence
property.Converter = JsonTypeReflector.GetJsonConverter(attributeProvider, property.PropertyType);
property.MemberConverter = JsonTypeReflector.GetJsonConverter(attributeProvider, property.PropertyType);
DefaultValueAttribute defaultValueAttribute = JsonTypeReflector.GetAttribute <DefaultValueAttribute>(attributeProvider);
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.ObjectCreationHandling = (propertyAttribute != null) ? propertyAttribute._objectCreationHandling : null;
property.TypeNameHandling = (propertyAttribute != null) ? propertyAttribute._typeNameHandling : null;
property.IsReference = (propertyAttribute != null) ? propertyAttribute._isReference : null;
allowNonPublicAccess = false;
if ((DefaultMembersSearchFlags & BindingFlags.NonPublic) == BindingFlags.NonPublic)
{
allowNonPublicAccess = true;
}
if (propertyAttribute != null)
{
allowNonPublicAccess = true;
}
}
/// <summary>
/// Resolves the default <see cref="JsonConverter" /> for the contract.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns></returns>
protected virtual JsonConverter ResolveContractConverter(Type objectType)
{
return(JsonTypeReflector.GetJsonConverter(objectType, objectType));
}
