DefaultContractResolver
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Utilities;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
namespace Newtonsoft.Json.Serialization
{
public class DefaultContractResolver : IContractResolver
{
internal class EnumerableDictionaryWrapper<TEnumeratorKey, TEnumeratorValue> : IEnumerable<KeyValuePair<object, object>>, IEnumerable
{
private readonly IEnumerable<KeyValuePair<TEnumeratorKey, TEnumeratorValue>> _e;
public EnumerableDictionaryWrapper(IEnumerable<KeyValuePair<TEnumeratorKey, TEnumeratorValue>> e)
{
ValidationUtils.ArgumentNotNull(e, "e");
_e = e;
}
public IEnumerator<KeyValuePair<object, object>> GetEnumerator()
{
foreach (KeyValuePair<TEnumeratorKey, TEnumeratorValue> item in this._e) {
yield return new KeyValuePair<object, object>((object)item.Key, (object)item.Value);
}
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
}
internal static readonly IContractResolver Instance = new DefaultContractResolver();
private static readonly JsonConverter[] BuiltInConverters = new JsonConverter[8] {
new EntityKeyMemberConverter(),
new XmlNodeConverter(),
new BinaryConverter(),
new DataSetConverter(),
new DataTableConverter(),
new KeyValuePairConverter(),
new BsonObjectIdConverter(),
new RegexConverter()
};
private readonly object _typeContractCacheLock = new object();
private readonly PropertyNameTable _nameTable = new PropertyNameTable();
private Dictionary<Type, JsonContract> _contractCache;
public bool DynamicCodeGeneration => JsonTypeReflector.DynamicCodeGeneration;
[Obsolete("DefaultMembersSearchFlags is obsolete. To modify the members serialized inherit from DefaultContractResolver and override the GetSerializableMembers method instead.")]
public BindingFlags DefaultMembersSearchFlags { get; set; }
public bool SerializeCompilerGeneratedMembers { get; set; }
public bool IgnoreSerializableInterface { get; set; }
public bool IgnoreSerializableAttribute { get; set; }
public NamingStrategy NamingStrategy { get; set; }
public DefaultContractResolver()
{
IgnoreSerializableAttribute = true;
DefaultMembersSearchFlags = (BindingFlags.Instance | BindingFlags.Public);
}
public virtual JsonContract ResolveContract(Type type)
{
if ((object)type == null)
throw new ArgumentNullException("type");
Dictionary<Type, JsonContract> contractCache = _contractCache;
if (contractCache == null || !contractCache.TryGetValue(type, out JsonContract value)) {
value = CreateContract(type);
lock (_typeContractCacheLock) {
contractCache = _contractCache;
Dictionary<Type, JsonContract> dictionary = (contractCache != null) ? new Dictionary<Type, JsonContract>(contractCache) : new Dictionary<Type, JsonContract>();
dictionary[type] = value;
_contractCache = dictionary;
return value;
}
}
return value;
}
protected virtual List<MemberInfo> GetSerializableMembers(Type objectType)
{
bool ignoreSerializableAttribute = IgnoreSerializableAttribute;
MemberSerialization objectMemberSerialization = JsonTypeReflector.GetObjectMemberSerialization(objectType, ignoreSerializableAttribute);
IEnumerable<MemberInfo> enumerable = from m in ReflectionUtils.GetFieldsAndProperties(objectType, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic)
where !ReflectionUtils.IsIndexedProperty(m)
select m;
List<MemberInfo> list = new List<MemberInfo>();
if (objectMemberSerialization == MemberSerialization.Fields) {
foreach (MemberInfo item in enumerable) {
FieldInfo fieldInfo = item as FieldInfo;
if ((object)fieldInfo != null && !fieldInfo.IsStatic)
list.Add(item);
}
return list;
}
DataContractAttribute dataContractAttribute = JsonTypeReflector.GetDataContractAttribute(objectType);
List<MemberInfo> list2 = (from m in ReflectionUtils.GetFieldsAndProperties(objectType, DefaultMembersSearchFlags)
where !ReflectionUtils.IsIndexedProperty(m)
select m).ToList();
foreach (MemberInfo item2 in enumerable) {
if (SerializeCompilerGeneratedMembers || !item2.IsDefined(typeof(CompilerGeneratedAttribute), true)) {
if (list2.Contains(item2))
list.Add(item2);
else if (JsonTypeReflector.GetAttribute<JsonPropertyAttribute>(item2) != null) {
list.Add(item2);
} else if (JsonTypeReflector.GetAttribute<JsonRequiredAttribute>(item2) != null) {
list.Add(item2);
} else if (dataContractAttribute != null && JsonTypeReflector.GetAttribute<DataMemberAttribute>(item2) != null) {
list.Add(item2);
} else if (objectMemberSerialization == MemberSerialization.Fields && item2.MemberType() == MemberTypes.Field) {
list.Add(item2);
}
}
}
if (objectType.AssignableToTypeName("System.Data.Objects.DataClasses.EntityObject", false, out Type _))
list = list.Where(ShouldSerializeEntityMember).ToList();
return list;
}
private bool ShouldSerializeEntityMember(MemberInfo memberInfo)
{
PropertyInfo propertyInfo = memberInfo as PropertyInfo;
if ((object)propertyInfo != null && propertyInfo.PropertyType.IsGenericType() && propertyInfo.PropertyType.GetGenericTypeDefinition().FullName == "System.Data.Objects.DataClasses.EntityReference`1")
return false;
return true;
}
protected virtual JsonObjectContract CreateObjectContract(Type objectType)
{
JsonObjectContract jsonObjectContract = new JsonObjectContract(objectType);
InitializeContract(jsonObjectContract);
bool ignoreSerializableAttribute = IgnoreSerializableAttribute;
jsonObjectContract.MemberSerialization = JsonTypeReflector.GetObjectMemberSerialization(jsonObjectContract.NonNullableUnderlyingType, ignoreSerializableAttribute);
jsonObjectContract.Properties.AddRange(CreateProperties(jsonObjectContract.NonNullableUnderlyingType, jsonObjectContract.MemberSerialization));
Func<string, string> func = null;
JsonObjectAttribute cachedAttribute = JsonTypeReflector.GetCachedAttribute<JsonObjectAttribute>(jsonObjectContract.NonNullableUnderlyingType);
if (cachedAttribute != null) {
jsonObjectContract.ItemRequired = cachedAttribute._itemRequired;
if ((object)cachedAttribute.NamingStrategyType != null) {
NamingStrategy namingStrategy = JsonTypeReflector.GetContainerNamingStrategy(cachedAttribute);
func = ((string s) => namingStrategy.GetDictionaryKey(s));
}
}
if (func == null)
func = ResolveExtensionDataName;
jsonObjectContract.ExtensionDataNameResolver = func;
if (jsonObjectContract.IsInstantiable) {
ConstructorInfo attributeConstructor = GetAttributeConstructor(jsonObjectContract.NonNullableUnderlyingType);
if ((object)attributeConstructor != null) {
jsonObjectContract.OverrideCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateParameterizedConstructor(attributeConstructor);
jsonObjectContract.CreatorParameters.AddRange(CreateConstructorParameters(attributeConstructor, jsonObjectContract.Properties));
} else if (jsonObjectContract.MemberSerialization == MemberSerialization.Fields) {
if (JsonTypeReflector.FullyTrusted)
jsonObjectContract.DefaultCreator = jsonObjectContract.GetUninitializedObject;
} else if (jsonObjectContract.DefaultCreator == null || jsonObjectContract.DefaultCreatorNonPublic) {
ConstructorInfo parameterizedConstructor = GetParameterizedConstructor(jsonObjectContract.NonNullableUnderlyingType);
if ((object)parameterizedConstructor != null) {
jsonObjectContract.ParameterizedCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateParameterizedConstructor(parameterizedConstructor);
jsonObjectContract.CreatorParameters.AddRange(CreateConstructorParameters(parameterizedConstructor, jsonObjectContract.Properties));
}
} else if (jsonObjectContract.NonNullableUnderlyingType.IsValueType()) {
ConstructorInfo immutableConstructor = GetImmutableConstructor(jsonObjectContract.NonNullableUnderlyingType, jsonObjectContract.Properties);
if ((object)immutableConstructor != null) {
jsonObjectContract.OverrideCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateParameterizedConstructor(immutableConstructor);
jsonObjectContract.CreatorParameters.AddRange(CreateConstructorParameters(immutableConstructor, jsonObjectContract.Properties));
}
}
}
MemberInfo extensionDataMemberForType = GetExtensionDataMemberForType(jsonObjectContract.NonNullableUnderlyingType);
if ((object)extensionDataMemberForType != null)
SetExtensionDataDelegates(jsonObjectContract, extensionDataMemberForType);
return jsonObjectContract;
}
private MemberInfo GetExtensionDataMemberForType(Type type)
{
return GetClassHierarchyForType(type).SelectMany(delegate(Type baseType) {
List<MemberInfo> list = new List<MemberInfo>();
CollectionUtils.AddRange(list, baseType.GetProperties(BindingFlags.DeclaredOnly | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic));
CollectionUtils.AddRange(list, baseType.GetFields(BindingFlags.DeclaredOnly | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic));
return list;
}).LastOrDefault(delegate(MemberInfo m) {
MemberTypes memberTypes = m.MemberType();
if (memberTypes != MemberTypes.Property && memberTypes != MemberTypes.Field)
return false;
if (!m.IsDefined(typeof(JsonExtensionDataAttribute), false))
return false;
if (!ReflectionUtils.CanReadMemberValue(m, true))
throw new JsonException("Invalid extension data attribute on '{0}'. Member '{1}' must have a getter.".FormatWith(CultureInfo.InvariantCulture, GetClrTypeFullName(m.DeclaringType), m.Name));
if (ReflectionUtils.ImplementsGenericDefinition(ReflectionUtils.GetMemberUnderlyingType(m), typeof(IDictionary<, >), out Type implementingType)) {
Type obj = implementingType.GetGenericArguments()[0];
Type type2 = implementingType.GetGenericArguments()[1];
if (obj.IsAssignableFrom(typeof(string)) && type2.IsAssignableFrom(typeof(JToken)))
return true;
}
throw new JsonException("Invalid extension data attribute on '{0}'. Member '{1}' type must implement IDictionary<string, JToken>.".FormatWith(CultureInfo.InvariantCulture, GetClrTypeFullName(m.DeclaringType), m.Name));
});
}
private static void SetExtensionDataDelegates(JsonObjectContract contract, MemberInfo member)
{
JsonExtensionDataAttribute attribute = ReflectionUtils.GetAttribute<JsonExtensionDataAttribute>(member);
if (attribute != null) {
Type memberUnderlyingType = ReflectionUtils.GetMemberUnderlyingType(member);
ReflectionUtils.ImplementsGenericDefinition(memberUnderlyingType, typeof(IDictionary<, >), out Type implementingType);
Type type = implementingType.GetGenericArguments()[0];
Type type2 = implementingType.GetGenericArguments()[1];
Type type3 = (!ReflectionUtils.IsGenericDefinition(memberUnderlyingType, typeof(IDictionary<, >))) ? memberUnderlyingType : typeof(Dictionary<, >).MakeGenericType(type, type2);
Func<object, object> getExtensionDataDictionary = JsonTypeReflector.ReflectionDelegateFactory.CreateGet<object>(member);
if (attribute.ReadData) {
Action<object, object> setExtensionDataDictionary = ReflectionUtils.CanSetMemberValue(member, true, false) ? JsonTypeReflector.ReflectionDelegateFactory.CreateSet<object>(member) : null;
Func<object> createExtensionDataDictionary = JsonTypeReflector.ReflectionDelegateFactory.CreateDefaultConstructor<object>(type3);
MethodInfo method = memberUnderlyingType.GetMethod("Add", new Type[2] {
type,
type2
});
MethodCall<object, object> setExtensionDataDictionaryValue = JsonTypeReflector.ReflectionDelegateFactory.CreateMethodCall<object>(method);
ExtensionDataSetter extensionDataSetter2 = contract.ExtensionDataSetter = delegate(object o, string key, object value) {
object obj2 = getExtensionDataDictionary(o);
if (obj2 == null) {
if (setExtensionDataDictionary == null)
throw new JsonSerializationException("Cannot set value onto extension data member '{0}'. The extension data collection is null and it cannot be set.".FormatWith(CultureInfo.InvariantCulture, member.Name));
obj2 = createExtensionDataDictionary();
setExtensionDataDictionary(o, obj2);
}
setExtensionDataDictionaryValue(obj2, key, value);
};
}
if (attribute.WriteData) {
ConstructorInfo method2 = typeof(EnumerableDictionaryWrapper<, >).MakeGenericType(type, type2).GetConstructors().First();
ObjectConstructor<object> createEnumerableWrapper = JsonTypeReflector.ReflectionDelegateFactory.CreateParameterizedConstructor(method2);
ExtensionDataGetter extensionDataGetter2 = contract.ExtensionDataGetter = delegate(object o) {
object obj = getExtensionDataDictionary(o);
if (obj == null)
return null;
return (IEnumerable<KeyValuePair<object, object>>)createEnumerableWrapper(obj);
};
}
contract.ExtensionDataValueType = type2;
}
}
private ConstructorInfo GetAttributeConstructor(Type objectType)
{
IEnumerator<ConstructorInfo> enumerator = (from c in objectType.GetConstructors(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)
where c.IsDefined(typeof(JsonConstructorAttribute), true)
select c).GetEnumerator();
if (enumerator.MoveNext()) {
ConstructorInfo current = enumerator.Current;
if (enumerator.MoveNext())
throw new JsonException("Multiple constructors with the JsonConstructorAttribute.");
return current;
}
if ((object)objectType == typeof(Version))
return objectType.GetConstructor(new Type[4] {
typeof(int),
typeof(int),
typeof(int),
typeof(int)
});
return null;
}
private ConstructorInfo GetImmutableConstructor(Type objectType, JsonPropertyCollection memberProperties)
{
IEnumerator<ConstructorInfo> enumerator = ((IEnumerable<ConstructorInfo>)objectType.GetConstructors()).GetEnumerator();
if (enumerator.MoveNext()) {
ConstructorInfo current = enumerator.Current;
if (!enumerator.MoveNext()) {
ParameterInfo[] parameters = current.GetParameters();
if (parameters.Length != 0) {
ParameterInfo[] array = parameters;
foreach (ParameterInfo parameterInfo in array) {
JsonProperty jsonProperty = MatchProperty(memberProperties, parameterInfo.Name, parameterInfo.ParameterType);
if (jsonProperty == null || jsonProperty.Writable)
return null;
}
return current;
}
}
}
return null;
}
private ConstructorInfo GetParameterizedConstructor(Type objectType)
{
ConstructorInfo[] constructors = objectType.GetConstructors(BindingFlags.Instance | BindingFlags.Public);
if (constructors.Length == 1)
return constructors[0];
return null;
}
protected virtual IList<JsonProperty> CreateConstructorParameters(ConstructorInfo constructor, JsonPropertyCollection memberProperties)
{
ParameterInfo[] parameters = constructor.GetParameters();
JsonPropertyCollection jsonPropertyCollection = new JsonPropertyCollection(constructor.DeclaringType);
ParameterInfo[] array = parameters;
foreach (ParameterInfo parameterInfo in array) {
JsonProperty jsonProperty = MatchProperty(memberProperties, parameterInfo.Name, parameterInfo.ParameterType);
if (jsonProperty != null || parameterInfo.Name != null) {
JsonProperty jsonProperty2 = CreatePropertyFromConstructorParameter(jsonProperty, parameterInfo);
if (jsonProperty2 != null)
jsonPropertyCollection.AddProperty(jsonProperty2);
}
}
return jsonPropertyCollection;
}
private JsonProperty MatchProperty(JsonPropertyCollection properties, string name, Type type)
{
if (name == null)
return null;
JsonProperty closestMatchProperty = properties.GetClosestMatchProperty(name);
if (closestMatchProperty == null || (object)closestMatchProperty.PropertyType != type)
return null;
return closestMatchProperty;
}
protected virtual JsonProperty CreatePropertyFromConstructorParameter(JsonProperty matchingMemberProperty, ParameterInfo parameterInfo)
{
JsonProperty jsonProperty = new JsonProperty();
jsonProperty.PropertyType = parameterInfo.ParameterType;
jsonProperty.AttributeProvider = new ReflectionAttributeProvider(parameterInfo);
SetPropertySettingsFromAttributes(jsonProperty, parameterInfo, parameterInfo.Name, parameterInfo.Member.DeclaringType, MemberSerialization.OptOut, out bool _);
jsonProperty.Readable = false;
jsonProperty.Writable = true;
if (matchingMemberProperty != null) {
jsonProperty.PropertyName = ((jsonProperty.PropertyName != parameterInfo.Name) ? jsonProperty.PropertyName : matchingMemberProperty.PropertyName);
jsonProperty.Converter = (jsonProperty.Converter ?? matchingMemberProperty.Converter);
jsonProperty.MemberConverter = (jsonProperty.MemberConverter ?? matchingMemberProperty.MemberConverter);
if (!jsonProperty._hasExplicitDefaultValue && matchingMemberProperty._hasExplicitDefaultValue)
jsonProperty.DefaultValue = matchingMemberProperty.DefaultValue;
jsonProperty._required = (jsonProperty._required ?? matchingMemberProperty._required);
jsonProperty.IsReference = (jsonProperty.IsReference ?? matchingMemberProperty.IsReference);
jsonProperty.NullValueHandling = (jsonProperty.NullValueHandling ?? matchingMemberProperty.NullValueHandling);
jsonProperty.DefaultValueHandling = (jsonProperty.DefaultValueHandling ?? matchingMemberProperty.DefaultValueHandling);
jsonProperty.ReferenceLoopHandling = (jsonProperty.ReferenceLoopHandling ?? matchingMemberProperty.ReferenceLoopHandling);
jsonProperty.ObjectCreationHandling = (jsonProperty.ObjectCreationHandling ?? matchingMemberProperty.ObjectCreationHandling);
jsonProperty.TypeNameHandling = (jsonProperty.TypeNameHandling ?? matchingMemberProperty.TypeNameHandling);
}
return jsonProperty;
}
protected virtual JsonConverter ResolveContractConverter(Type objectType)
{
return JsonTypeReflector.GetJsonConverter(objectType);
}
private Func<object> GetDefaultCreator(Type createdType)
{
return JsonTypeReflector.ReflectionDelegateFactory.CreateDefaultConstructor<object>(createdType);
}
[SuppressMessage("Microsoft.Portability", "CA1903:UseOnlyApiFromTargetedFramework", MessageId = "System.Runtime.Serialization.DataContractAttribute.#get_IsReference()")]
private void InitializeContract(JsonContract contract)
{
JsonContainerAttribute cachedAttribute = JsonTypeReflector.GetCachedAttribute<JsonContainerAttribute>(contract.NonNullableUnderlyingType);
if (cachedAttribute != null)
contract.IsReference = cachedAttribute._isReference;
else {
DataContractAttribute dataContractAttribute = JsonTypeReflector.GetDataContractAttribute(contract.NonNullableUnderlyingType);
if (dataContractAttribute != null && dataContractAttribute.IsReference)
contract.IsReference = true;
}
contract.Converter = ResolveContractConverter(contract.NonNullableUnderlyingType);
contract.InternalConverter = JsonSerializer.GetMatchingConverter(BuiltInConverters, contract.NonNullableUnderlyingType);
if (contract.IsInstantiable && (ReflectionUtils.HasDefaultConstructor(contract.CreatedType, true) || contract.CreatedType.IsValueType())) {
contract.DefaultCreator = GetDefaultCreator(contract.CreatedType);
contract.DefaultCreatorNonPublic = (!contract.CreatedType.IsValueType() && (object)ReflectionUtils.GetDefaultConstructor(contract.CreatedType) == null);
}
ResolveCallbackMethods(contract, contract.NonNullableUnderlyingType);
}
private void ResolveCallbackMethods(JsonContract contract, Type t)
{
GetCallbackMethodsForType(t, out List<SerializationCallback> onSerializing, out List<SerializationCallback> onSerialized, out List<SerializationCallback> onDeserializing, out List<SerializationCallback> onDeserialized, out List<SerializationErrorCallback> onError);
if (onSerializing != null)
contract.OnSerializingCallbacks.AddRange(onSerializing);
if (onSerialized != null)
contract.OnSerializedCallbacks.AddRange(onSerialized);
if (onDeserializing != null)
contract.OnDeserializingCallbacks.AddRange(onDeserializing);
if (onDeserialized != null)
contract.OnDeserializedCallbacks.AddRange(onDeserialized);
if (onError != null)
contract.OnErrorCallbacks.AddRange(onError);
}
private void GetCallbackMethodsForType(Type type, out List<SerializationCallback> onSerializing, out List<SerializationCallback> onSerialized, out List<SerializationCallback> onDeserializing, out List<SerializationCallback> onDeserialized, out List<SerializationErrorCallback> onError)
{
onSerializing = null;
onSerialized = null;
onDeserializing = null;
onDeserialized = null;
onError = null;
foreach (Type item in GetClassHierarchyForType(type)) {
MethodInfo currentCallback = null;
MethodInfo currentCallback2 = null;
MethodInfo currentCallback3 = null;
MethodInfo currentCallback4 = null;
MethodInfo currentCallback5 = null;
bool flag = ShouldSkipSerializing(item);
bool flag2 = ShouldSkipDeserialized(item);
MethodInfo[] methods = item.GetMethods(BindingFlags.DeclaredOnly | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
foreach (MethodInfo methodInfo in methods) {
if (!methodInfo.ContainsGenericParameters) {
Type prevAttributeType = null;
ParameterInfo[] parameters = methodInfo.GetParameters();
if (!flag && IsValidCallback(methodInfo, parameters, typeof(OnSerializingAttribute), currentCallback, ref prevAttributeType)) {
onSerializing = (onSerializing ?? new List<SerializationCallback>());
onSerializing.Add(JsonContract.CreateSerializationCallback(methodInfo));
currentCallback = methodInfo;
}
if (IsValidCallback(methodInfo, parameters, typeof(OnSerializedAttribute), currentCallback2, ref prevAttributeType)) {
onSerialized = (onSerialized ?? new List<SerializationCallback>());
onSerialized.Add(JsonContract.CreateSerializationCallback(methodInfo));
currentCallback2 = methodInfo;
}
if (IsValidCallback(methodInfo, parameters, typeof(OnDeserializingAttribute), currentCallback3, ref prevAttributeType)) {
onDeserializing = (onDeserializing ?? new List<SerializationCallback>());
onDeserializing.Add(JsonContract.CreateSerializationCallback(methodInfo));
currentCallback3 = methodInfo;
}
if (!flag2 && IsValidCallback(methodInfo, parameters, typeof(OnDeserializedAttribute), currentCallback4, ref prevAttributeType)) {
onDeserialized = (onDeserialized ?? new List<SerializationCallback>());
onDeserialized.Add(JsonContract.CreateSerializationCallback(methodInfo));
currentCallback4 = methodInfo;
}
if (IsValidCallback(methodInfo, parameters, typeof(OnErrorAttribute), currentCallback5, ref prevAttributeType)) {
onError = (onError ?? new List<SerializationErrorCallback>());
onError.Add(JsonContract.CreateSerializationErrorCallback(methodInfo));
currentCallback5 = methodInfo;
}
}
}
}
}
private static bool ShouldSkipDeserialized(Type t)
{
return false;
}
private static bool ShouldSkipSerializing(Type t)
{
return false;
}
private List<Type> GetClassHierarchyForType(Type type)
{
List<Type> list = new List<Type>();
Type type2 = type;
while ((object)type2 != null && (object)type2 != typeof(object)) {
list.Add(type2);
type2 = type2.BaseType();
}
list.Reverse();
return list;
}
protected virtual JsonDictionaryContract CreateDictionaryContract(Type objectType)
{
JsonDictionaryContract jsonDictionaryContract = new JsonDictionaryContract(objectType);
InitializeContract(jsonDictionaryContract);
JsonContainerAttribute attribute = JsonTypeReflector.GetAttribute<JsonContainerAttribute>(objectType);
if ((object)attribute?.NamingStrategyType != null) {
NamingStrategy namingStrategy = JsonTypeReflector.GetContainerNamingStrategy(attribute);
jsonDictionaryContract.DictionaryKeyResolver = ((string s) => namingStrategy.GetDictionaryKey(s));
} else
jsonDictionaryContract.DictionaryKeyResolver = ResolveDictionaryKey;
ConstructorInfo attributeConstructor = GetAttributeConstructor(jsonDictionaryContract.NonNullableUnderlyingType);
if ((object)attributeConstructor != null) {
ParameterInfo[] parameters = attributeConstructor.GetParameters();
Type type = ((object)jsonDictionaryContract.DictionaryKeyType != null && (object)jsonDictionaryContract.DictionaryValueType != null) ? typeof(IEnumerable<>).MakeGenericType(typeof(KeyValuePair<, >).MakeGenericType(jsonDictionaryContract.DictionaryKeyType, jsonDictionaryContract.DictionaryValueType)) : typeof(IDictionary);
if (parameters.Length == 0)
jsonDictionaryContract.HasParameterizedCreator = false;
else {
if (parameters.Length != 1 || !type.IsAssignableFrom(parameters[0].ParameterType))
throw new JsonException("Constructor for '{0}' must have no parameters or a single parameter that implements '{1}'.".FormatWith(CultureInfo.InvariantCulture, jsonDictionaryContract.UnderlyingType, type));
jsonDictionaryContract.HasParameterizedCreator = true;
}
jsonDictionaryContract.OverrideCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateParameterizedConstructor(attributeConstructor);
}
return jsonDictionaryContract;
}
protected virtual JsonArrayContract CreateArrayContract(Type objectType)
{
JsonArrayContract jsonArrayContract = new JsonArrayContract(objectType);
InitializeContract(jsonArrayContract);
ConstructorInfo attributeConstructor = GetAttributeConstructor(jsonArrayContract.NonNullableUnderlyingType);
if ((object)attributeConstructor != null) {
ParameterInfo[] parameters = attributeConstructor.GetParameters();
Type type = ((object)jsonArrayContract.CollectionItemType != null) ? typeof(IEnumerable<>).MakeGenericType(jsonArrayContract.CollectionItemType) : typeof(IEnumerable);
if (parameters.Length == 0)
jsonArrayContract.HasParameterizedCreator = false;
else {
if (parameters.Length != 1 || !type.IsAssignableFrom(parameters[0].ParameterType))
throw new JsonException("Constructor for '{0}' must have no parameters or a single parameter that implements '{1}'.".FormatWith(CultureInfo.InvariantCulture, jsonArrayContract.UnderlyingType, type));
jsonArrayContract.HasParameterizedCreator = true;
}
jsonArrayContract.OverrideCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateParameterizedConstructor(attributeConstructor);
}
return jsonArrayContract;
}
protected virtual JsonPrimitiveContract CreatePrimitiveContract(Type objectType)
{
JsonPrimitiveContract jsonPrimitiveContract = new JsonPrimitiveContract(objectType);
InitializeContract(jsonPrimitiveContract);
return jsonPrimitiveContract;
}
protected virtual JsonLinqContract CreateLinqContract(Type objectType)
{
JsonLinqContract jsonLinqContract = new JsonLinqContract(objectType);
InitializeContract(jsonLinqContract);
return jsonLinqContract;
}
protected virtual JsonISerializableContract CreateISerializableContract(Type objectType)
{
JsonISerializableContract jsonISerializableContract = new JsonISerializableContract(objectType);
InitializeContract(jsonISerializableContract);
ConstructorInfo constructor = jsonISerializableContract.NonNullableUnderlyingType.GetConstructor(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, new Type[2] {
typeof(SerializationInfo),
typeof(StreamingContext)
}, null);
if ((object)constructor != null) {
ObjectConstructor<object> objectConstructor2 = jsonISerializableContract.ISerializableCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateParameterizedConstructor(constructor);
}
return jsonISerializableContract;
}
protected virtual JsonStringContract CreateStringContract(Type objectType)
{
JsonStringContract jsonStringContract = new JsonStringContract(objectType);
InitializeContract(jsonStringContract);
return jsonStringContract;
}
protected virtual JsonContract CreateContract(Type objectType)
{
if (IsJsonPrimitiveType(objectType))
return CreatePrimitiveContract(objectType);
Type type = ReflectionUtils.EnsureNotNullableType(objectType);
JsonContainerAttribute cachedAttribute = JsonTypeReflector.GetCachedAttribute<JsonContainerAttribute>(type);
if (cachedAttribute is JsonObjectAttribute)
return CreateObjectContract(objectType);
if (cachedAttribute is JsonArrayAttribute)
return CreateArrayContract(objectType);
if (cachedAttribute is JsonDictionaryAttribute)
return CreateDictionaryContract(objectType);
if ((object)type == typeof(JToken) || type.IsSubclassOf(typeof(JToken)))
return CreateLinqContract(objectType);
if (CollectionUtils.IsDictionaryType(type))
return CreateDictionaryContract(objectType);
if (typeof(IEnumerable).IsAssignableFrom(type))
return CreateArrayContract(objectType);
if (CanConvertToString(type))
return CreateStringContract(objectType);
if (!IgnoreSerializableInterface && typeof(ISerializable).IsAssignableFrom(type))
return CreateISerializableContract(objectType);
if (IsIConvertible(type))
return CreatePrimitiveContract(type);
return CreateObjectContract(objectType);
}
internal static bool IsJsonPrimitiveType(Type t)
{
PrimitiveTypeCode typeCode = ConvertUtils.GetTypeCode(t);
if (typeCode != 0)
return typeCode != PrimitiveTypeCode.Object;
return false;
}
internal static bool IsIConvertible(Type t)
{
if (typeof(IConvertible).IsAssignableFrom(t) || (ReflectionUtils.IsNullableType(t) && typeof(IConvertible).IsAssignableFrom(Nullable.GetUnderlyingType(t))))
return !typeof(JToken).IsAssignableFrom(t);
return false;
}
internal static bool CanConvertToString(Type type)
{
if (JsonTypeReflector.CanTypeDescriptorConvertString(type, out TypeConverter _))
return true;
if ((object)type == typeof(Type) || type.IsSubclassOf(typeof(Type)))
return true;
return false;
}
private static bool IsValidCallback(MethodInfo method, ParameterInfo[] parameters, Type attributeType, MethodInfo currentCallback, ref Type prevAttributeType)
{
if (!method.IsDefined(attributeType, false))
return false;
if ((object)currentCallback != null)
throw new JsonException("Invalid attribute. Both '{0}' and '{1}' in type '{2}' have '{3}'.".FormatWith(CultureInfo.InvariantCulture, method, currentCallback, GetClrTypeFullName(method.DeclaringType), attributeType));
if ((object)prevAttributeType != null)
throw new JsonException("Invalid Callback. Method '{3}' in type '{2}' has both '{0}' and '{1}'.".FormatWith(CultureInfo.InvariantCulture, prevAttributeType, attributeType, GetClrTypeFullName(method.DeclaringType), method));
if (method.IsVirtual)
throw new JsonException("Virtual Method '{0}' of type '{1}' cannot be marked with '{2}' attribute.".FormatWith(CultureInfo.InvariantCulture, method, GetClrTypeFullName(method.DeclaringType), attributeType));
if ((object)method.ReturnType != typeof(void))
throw new JsonException("Serialization Callback '{1}' in type '{0}' must return void.".FormatWith(CultureInfo.InvariantCulture, GetClrTypeFullName(method.DeclaringType), method));
if ((object)attributeType == typeof(OnErrorAttribute)) {
if (parameters == null || parameters.Length != 2 || (object)parameters[0].ParameterType != typeof(StreamingContext) || (object)parameters[1].ParameterType != typeof(ErrorContext))
throw new JsonException("Serialization Error Callback '{1}' in type '{0}' must have two parameters of type '{2}' and '{3}'.".FormatWith(CultureInfo.InvariantCulture, GetClrTypeFullName(method.DeclaringType), method, typeof(StreamingContext), typeof(ErrorContext)));
} else if (parameters == null || parameters.Length != 1 || (object)parameters[0].ParameterType != typeof(StreamingContext)) {
throw new JsonException("Serialization Callback '{1}' in type '{0}' must have a single parameter of type '{2}'.".FormatWith(CultureInfo.InvariantCulture, GetClrTypeFullName(method.DeclaringType), method, typeof(StreamingContext)));
}
prevAttributeType = attributeType;
return true;
}
internal static string GetClrTypeFullName(Type type)
{
if (type.IsGenericTypeDefinition() || !type.ContainsGenericParameters())
return type.FullName;
return "{0}.{1}".FormatWith(CultureInfo.InvariantCulture, type.Namespace, type.Name);
}
protected virtual IList<JsonProperty> CreateProperties(Type type, MemberSerialization memberSerialization)
{
List<MemberInfo> serializableMembers = GetSerializableMembers(type);
if (serializableMembers == null)
throw new JsonSerializationException("Null collection of serializable members returned.");
PropertyNameTable nameTable = GetNameTable();
JsonPropertyCollection jsonPropertyCollection = new JsonPropertyCollection(type);
foreach (MemberInfo item in serializableMembers) {
JsonProperty jsonProperty = CreateProperty(item, memberSerialization);
if (jsonProperty != null) {
lock (nameTable) {
jsonProperty.PropertyName = nameTable.Add(jsonProperty.PropertyName);
}
jsonPropertyCollection.AddProperty(jsonProperty);
}
}
return (from p in jsonPropertyCollection
orderby p.Order ?? (-1)
select p).ToList();
}
internal virtual PropertyNameTable GetNameTable()
{
return _nameTable;
}
protected virtual IValueProvider CreateMemberValueProvider(MemberInfo member)
{
if (!DynamicCodeGeneration)
return new ReflectionValueProvider(member);
return new DynamicValueProvider(member);
}
protected virtual JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
{
JsonProperty jsonProperty = new JsonProperty();
jsonProperty.PropertyType = ReflectionUtils.GetMemberUnderlyingType(member);
jsonProperty.DeclaringType = member.DeclaringType;
jsonProperty.ValueProvider = CreateMemberValueProvider(member);
jsonProperty.AttributeProvider = new ReflectionAttributeProvider(member);
SetPropertySettingsFromAttributes(jsonProperty, member, member.Name, member.DeclaringType, memberSerialization, out bool allowNonPublicAccess);
if (memberSerialization != MemberSerialization.Fields) {
jsonProperty.Readable = ReflectionUtils.CanReadMemberValue(member, allowNonPublicAccess);
jsonProperty.Writable = ReflectionUtils.CanSetMemberValue(member, allowNonPublicAccess, jsonProperty.HasMemberAttribute);
} else {
jsonProperty.Readable = true;
jsonProperty.Writable = true;
}
jsonProperty.ShouldSerialize = CreateShouldSerializeTest(member);
SetIsSpecifiedActions(jsonProperty, member, allowNonPublicAccess);
return jsonProperty;
}
private void SetPropertySettingsFromAttributes(JsonProperty property, object attributeProvider, string name, Type declaringType, MemberSerialization memberSerialization, out bool allowNonPublicAccess)
{
DataContractAttribute dataContractAttribute = JsonTypeReflector.GetDataContractAttribute(declaringType);
MemberInfo memberInfo = attributeProvider as MemberInfo;
DataMemberAttribute dataMemberAttribute = (dataContractAttribute == null || (object)memberInfo == null) ? null : JsonTypeReflector.GetDataMemberAttribute(memberInfo);
JsonPropertyAttribute attribute = JsonTypeReflector.GetAttribute<JsonPropertyAttribute>(attributeProvider);
JsonRequiredAttribute attribute2 = JsonTypeReflector.GetAttribute<JsonRequiredAttribute>(attributeProvider);
string text;
bool hasSpecifiedName;
if (attribute != null && attribute.PropertyName != null) {
text = attribute.PropertyName;
hasSpecifiedName = true;
} else if (dataMemberAttribute != null && dataMemberAttribute.Name != null) {
text = dataMemberAttribute.Name;
hasSpecifiedName = true;
} else {
text = name;
hasSpecifiedName = false;
}
JsonContainerAttribute attribute3 = JsonTypeReflector.GetAttribute<JsonContainerAttribute>(declaringType);
NamingStrategy namingStrategy = ((object)attribute?.NamingStrategyType != null) ? JsonTypeReflector.CreateNamingStrategyInstance(attribute.NamingStrategyType, attribute.NamingStrategyParameters) : (((object)attribute3?.NamingStrategyType == null) ? NamingStrategy : JsonTypeReflector.GetContainerNamingStrategy(attribute3));
if (namingStrategy != null)
property.PropertyName = namingStrategy.GetPropertyName(text, hasSpecifiedName);
else
property.PropertyName = ResolvePropertyName(text);
property.UnderlyingName = name;
bool flag = false;
if (attribute != null) {
property._required = attribute._required;
property.Order = attribute._order;
property.DefaultValueHandling = attribute._defaultValueHandling;
flag = true;
property.NullValueHandling = attribute._nullValueHandling;
property.ReferenceLoopHandling = attribute._referenceLoopHandling;
property.ObjectCreationHandling = attribute._objectCreationHandling;
property.TypeNameHandling = attribute._typeNameHandling;
property.IsReference = attribute._isReference;
property.ItemIsReference = attribute._itemIsReference;
property.ItemConverter = (((object)attribute.ItemConverterType != null) ? JsonTypeReflector.CreateJsonConverterInstance(attribute.ItemConverterType, attribute.ItemConverterParameters) : null);
property.ItemReferenceLoopHandling = attribute._itemReferenceLoopHandling;
property.ItemTypeNameHandling = attribute._itemTypeNameHandling;
} else {
property.NullValueHandling = null;
property.ReferenceLoopHandling = null;
property.ObjectCreationHandling = null;
property.TypeNameHandling = null;
property.IsReference = null;
property.ItemIsReference = null;
property.ItemConverter = null;
property.ItemReferenceLoopHandling = null;
property.ItemTypeNameHandling = null;
if (dataMemberAttribute != null) {
property._required = (dataMemberAttribute.IsRequired ? Required.AllowNull : Required.Default);
property.Order = ((dataMemberAttribute.Order != -1) ? new int?(dataMemberAttribute.Order) : null);
property.DefaultValueHandling = ((!dataMemberAttribute.EmitDefaultValue) ? new DefaultValueHandling?(DefaultValueHandling.Ignore) : null);
flag = true;
}
}
if (attribute2 != null) {
property._required = Required.Always;
flag = true;
}
property.HasMemberAttribute = flag;
bool flag2 = JsonTypeReflector.GetAttribute<JsonIgnoreAttribute>(attributeProvider) != null || JsonTypeReflector.GetAttribute<JsonExtensionDataAttribute>(attributeProvider) != null || JsonTypeReflector.IsNonSerializable(attributeProvider);
if (memberSerialization != MemberSerialization.OptIn) {
bool flag3 = false;
property.Ignored = (flag2 | flag3);
} else
property.Ignored = (flag2 || !flag);
property.Converter = JsonTypeReflector.GetJsonConverter(attributeProvider);
property.MemberConverter = JsonTypeReflector.GetJsonConverter(attributeProvider);
DefaultValueAttribute attribute4 = JsonTypeReflector.GetAttribute<DefaultValueAttribute>(attributeProvider);
if (attribute4 != null)
property.DefaultValue = attribute4.Value;
allowNonPublicAccess = false;
if ((DefaultMembersSearchFlags & BindingFlags.NonPublic) == BindingFlags.NonPublic)
allowNonPublicAccess = true;
if (flag)
allowNonPublicAccess = true;
if (memberSerialization == MemberSerialization.Fields)
allowNonPublicAccess = true;
}
private Predicate<object> CreateShouldSerializeTest(MemberInfo member)
{
MethodInfo method = member.DeclaringType.GetMethod("ShouldSerialize" + member.Name, ReflectionUtils.EmptyTypes);
if ((object)method == null || (object)method.ReturnType != typeof(bool))
return null;
MethodCall<object, object> shouldSerializeCall = JsonTypeReflector.ReflectionDelegateFactory.CreateMethodCall<object>(method);
return (object o) => (bool)shouldSerializeCall(o);
}
private void SetIsSpecifiedActions(JsonProperty property, MemberInfo member, bool allowNonPublicAccess)
{
MemberInfo memberInfo = member.DeclaringType.GetProperty(member.Name + "Specified");
if ((object)memberInfo == null)
memberInfo = member.DeclaringType.GetField(member.Name + "Specified");
if ((object)memberInfo != null && (object)ReflectionUtils.GetMemberUnderlyingType(memberInfo) == typeof(bool)) {
Func<object, object> specifiedPropertyGet = JsonTypeReflector.ReflectionDelegateFactory.CreateGet<object>(memberInfo);
property.GetIsSpecified = ((object o) => (bool)specifiedPropertyGet(o));
if (ReflectionUtils.CanSetMemberValue(memberInfo, allowNonPublicAccess, false))
property.SetIsSpecified = JsonTypeReflector.ReflectionDelegateFactory.CreateSet<object>(memberInfo);
}
}
protected virtual string ResolvePropertyName(string propertyName)
{
if (NamingStrategy != null)
return NamingStrategy.GetPropertyName(propertyName, false);
return propertyName;
}
protected virtual string ResolveExtensionDataName(string extensionDataName)
{
if (NamingStrategy != null)
return NamingStrategy.GetExtensionDataName(extensionDataName);
return extensionDataName;
}
protected virtual string ResolveDictionaryKey(string dictionaryKey)
{
if (NamingStrategy != null)
return NamingStrategy.GetDictionaryKey(dictionaryKey);
return ResolvePropertyName(dictionaryKey);
}
public string GetResolvedPropertyName(string propertyName)
{
return ResolvePropertyName(propertyName);
}
}
}