pos/is4c-nf/scale-drivers/drivers/NewMagellan/Newtonsoft.Json/Serialization/DefaultContractResolver.cs
#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Collections;
#if !(NET35 || NET20 || PORTABLE || PORTABLE40)
using System.Collections.Concurrent;
#endif
using System.Collections.Generic;
using System.ComponentModel;
#if !(NET35 || NET20 || PORTABLE40)
using System.Dynamic;
#endif
using System.Globalization;
using System.Reflection;
using System.Runtime.Serialization;
#if !(NETFX_CORE || PORTABLE || PORTABLE40)
using System.Security.Permissions;
#endif
using System.Xml.Serialization;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Utilities;
using Newtonsoft.Json.Linq;
using System.Runtime.CompilerServices;
#if NET20
using Newtonsoft.Json.Utilities.LinqBridge;
#else
using System.Linq;
#endif
namespace Newtonsoft.Json.Serialization
{
internal struct ResolverContractKey : IEquatable<ResolverContractKey>
{
private readonly Type _resolverType;
private readonly Type _contractType;
public ResolverContractKey(Type resolverType, Type contractType)
{
_resolverType = resolverType;
_contractType = contractType;
}
public override int GetHashCode()
{
return _resolverType.GetHashCode() ^ _contractType.GetHashCode();
}
public override bool Equals(object obj)
{
if (!(obj is ResolverContractKey))
return false;
return Equals((ResolverContractKey)obj);
}
public bool Equals(ResolverContractKey other)
{
return (_resolverType == other._resolverType && _contractType == other._contractType);
}
}
internal class DefaultContractResolverState
{
public Dictionary<ResolverContractKey, JsonContract> ContractCache;
public PropertyNameTable NameTable = new PropertyNameTable();
}
/// <summary>
/// Used by <see cref="JsonSerializer"/> to resolves a <see cref="JsonContract"/> for a given <see cref="Type"/>.
/// </summary>
public class DefaultContractResolver : IContractResolver
{
private static readonly IContractResolver _instance = new DefaultContractResolver(true);
internal static IContractResolver Instance
{
get { return _instance; }
}
private static readonly JsonConverter[] BuiltInConverters =
{
#if !(NET20 || NETFX_CORE || PORTABLE40 || PORTABLE)
new EntityKeyMemberConverter(),
#endif
#if !(NET35 || NET20 || PORTABLE40)
new ExpandoObjectConverter(),
#endif
#if !(PORTABLE40)
new XmlNodeConverter(),
#endif
#if !(NETFX_CORE || PORTABLE40 || PORTABLE)
new BinaryConverter(),
new DataSetConverter(),
new DataTableConverter(),
#endif
#if NETFX_CORE
new JsonValueConverter(),
#endif
#if !(NET35 || NET20 || NETFX_CORE)
new DiscriminatedUnionConverter(),
#endif
new KeyValuePairConverter(),
new BsonObjectIdConverter(),
new RegexConverter()
};
private static readonly object TypeContractCacheLock = new object();
private static readonly DefaultContractResolverState _sharedState = new DefaultContractResolverState();
private readonly DefaultContractResolverState _instanceState = new DefaultContractResolverState();
private readonly bool _sharedCache;
/// <summary>
/// Gets a value indicating whether members are being get and set using dynamic code generation.
/// This value is determined by the runtime permissions available.
/// </summary>
/// <value>
/// <c>true</c> if using dynamic code generation; otherwise, <c>false</c>.
/// </value>
public bool DynamicCodeGeneration
{
get { return JsonTypeReflector.DynamicCodeGeneration; }
}
#if !(NETFX_CORE || PORTABLE)
/// <summary>
/// Gets or sets the default members search flags.
/// </summary>
/// <value>The default members search flags.</value>
[ObsoleteAttribute("DefaultMembersSearchFlags is obsolete. To modify the members serialized inherit from DefaultContractResolver and override the GetSerializableMembers method instead.")]
public BindingFlags DefaultMembersSearchFlags { get; set; }
#else
private BindingFlags DefaultMembersSearchFlags = BindingFlags.Instance | BindingFlags.Public;
#endif
/// <summary>
/// Gets or sets a value indicating whether compiler generated members should be serialized.
/// </summary>
/// <value>
/// <c>true</c> if serialized compiler generated members; otherwise, <c>false</c>.
/// </value>
public bool SerializeCompilerGeneratedMembers { get; set; }
#if !(NETFX_CORE || PORTABLE || PORTABLE40)
/// <summary>
/// Gets or sets a value indicating whether to ignore the <see cref="ISerializable"/> interface when serializing and deserializing types.
/// </summary>
/// <value>
/// <c>true</c> if the <see cref="ISerializable"/> interface will be ignored when serializing and deserializing types; otherwise, <c>false</c>.
/// </value>
public bool IgnoreSerializableInterface { get; set; }
/// <summary>
/// Gets or sets a value indicating whether to ignore the <see cref="SerializableAttribute"/> attribute when serializing and deserializing types.
/// </summary>
/// <value>
/// <c>true</c> if the <see cref="SerializableAttribute"/> attribute will be ignored when serializing and deserializing types; otherwise, <c>false</c>.
/// </value>
public bool IgnoreSerializableAttribute { get; set; }
#endif
/// <summary>
/// Initializes a new instance of the <see cref="DefaultContractResolver"/> class.
/// </summary>
public DefaultContractResolver()
: this(false)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultContractResolver"/> class.
/// </summary>
/// <param name="shareCache">
/// If set to <c>true</c> the <see cref="DefaultContractResolver"/> will use a cached shared with other resolvers of the same type.
/// Sharing the cache will significantly improve performance with multiple resolver instances because expensive reflection will only
/// happen once. This setting can cause unexpected behavior if different instances of the resolver are suppose to produce different
/// results. When set to false it is highly recommended to reuse <see cref="DefaultContractResolver"/> instances with the <see cref="JsonSerializer"/>.
/// </param>
public DefaultContractResolver(bool shareCache)
{
#if !NETFX_CORE
#pragma warning disable 618
DefaultMembersSearchFlags = BindingFlags.Public | BindingFlags.Instance;
#pragma warning restore 618
#endif
#if !(NETFX_CORE || PORTABLE || PORTABLE40)
IgnoreSerializableAttribute = true;
#endif
_sharedCache = shareCache;
}
internal DefaultContractResolverState GetState()
{
if (_sharedCache)
return _sharedState;
else
return _instanceState;
}
/// <summary>
/// Resolves the contract for a given type.
/// </summary>
/// <param name="type">The type to resolve a contract for.</param>
/// <returns>The contract for a given type.</returns>
public virtual JsonContract ResolveContract(Type type)
{
if (type == null)
throw new ArgumentNullException("type");
DefaultContractResolverState state = GetState();
JsonContract contract;
ResolverContractKey key = new ResolverContractKey(GetType(), type);
Dictionary<ResolverContractKey, JsonContract> cache = state.ContractCache;
if (cache == null || !cache.TryGetValue(key, out contract))
{
contract = CreateContract(type);
// avoid the possibility of modifying the cache dictionary while another thread is accessing it
lock (TypeContractCacheLock)
{
cache = state.ContractCache;
Dictionary<ResolverContractKey, JsonContract> updatedCache = (cache != null)
? new Dictionary<ResolverContractKey, JsonContract>(cache)
: new Dictionary<ResolverContractKey, JsonContract>();
updatedCache[key] = contract;
state.ContractCache = updatedCache;
}
}
return contract;
}
/// <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)
{
bool ignoreSerializableAttribute;
#if !(NETFX_CORE || PORTABLE || PORTABLE40)
ignoreSerializableAttribute = IgnoreSerializableAttribute;
#else
ignoreSerializableAttribute = true;
#endif
MemberSerialization memberSerialization = JsonTypeReflector.GetObjectMemberSerialization(objectType, ignoreSerializableAttribute);
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>();
if (memberSerialization != MemberSerialization.Fields)
{
#if !NET20
DataContractAttribute dataContractAttribute = JsonTypeReflector.GetDataContractAttribute(objectType);
#endif
#pragma warning disable 618
List<MemberInfo> defaultMembers = ReflectionUtils.GetFieldsAndProperties(objectType, DefaultMembersSearchFlags)
.Where(m => !ReflectionUtils.IsIndexedProperty(m)).ToList();
#pragma warning restore 618
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
// or are a field if serializing just fields
if (JsonTypeReflector.GetAttribute<JsonPropertyAttribute>(member) != null)
serializableMembers.Add(member);
#if !NET20
else if (dataContractAttribute != null && JsonTypeReflector.GetAttribute<DataMemberAttribute>(member) != null)
serializableMembers.Add(member);
#endif
else if (memberSerialization == MemberSerialization.Fields && member.MemberType() == MemberTypes.Field)
serializableMembers.Add(member);
}
}
}
#if !NET20
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();
#endif
}
else
{
// serialize all fields
foreach (MemberInfo member in allMembers)
{
FieldInfo field = member as FieldInfo;
if (field != null && !field.IsStatic)
serializableMembers.Add(member);
}
}
return serializableMembers;
}
#if !NET20
private bool ShouldSerializeEntityMember(MemberInfo memberInfo)
{
PropertyInfo propertyInfo = memberInfo as PropertyInfo;
if (propertyInfo != null)
{
if (propertyInfo.PropertyType.IsGenericType() && propertyInfo.PropertyType.GetGenericTypeDefinition().FullName == "System.Data.Objects.DataClasses.EntityReference`1")
return false;
}
return true;
}
#endif
/// <summary>
/// Creates a <see cref="JsonObjectContract"/> for the given type.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns>A <see cref="JsonObjectContract"/> for the given type.</returns>
protected virtual JsonObjectContract CreateObjectContract(Type objectType)
{
JsonObjectContract contract = new JsonObjectContract(objectType);
InitializeContract(contract);
bool ignoreSerializableAttribute;
#if !(NETFX_CORE || PORTABLE || PORTABLE40)
ignoreSerializableAttribute = IgnoreSerializableAttribute;
#else
ignoreSerializableAttribute = true;
#endif
contract.MemberSerialization = JsonTypeReflector.GetObjectMemberSerialization(contract.NonNullableUnderlyingType, ignoreSerializableAttribute);
contract.Properties.AddRange(CreateProperties(contract.NonNullableUnderlyingType, contract.MemberSerialization));
JsonObjectAttribute attribute = JsonTypeReflector.GetCachedAttribute<JsonObjectAttribute>(contract.NonNullableUnderlyingType);
if (attribute != null)
contract.ItemRequired = attribute._itemRequired;
if (contract.IsInstantiable)
{
ConstructorInfo overrideConstructor = GetAttributeConstructor(contract.NonNullableUnderlyingType);
// check if a JsonConstructorAttribute has been defined and use that
if (overrideConstructor != null)
{
#pragma warning disable 618
contract.OverrideConstructor = overrideConstructor;
#pragma warning restore 618
contract.CreatorParameters.AddRange(CreateConstructorParameters(overrideConstructor, contract.Properties));
}
else if (contract.MemberSerialization == MemberSerialization.Fields)
{
#if !(NETFX_CORE || PORTABLE40 || PORTABLE)
// mimic DataContractSerializer behaviour when populating fields by overriding default creator to create an uninitialized object
// note that this is only possible when the application is fully trusted so fall back to using the default constructor (if available) in partial trust
if (JsonTypeReflector.FullyTrusted)
contract.DefaultCreator = contract.GetUninitializedObject;
#endif
}
else if (contract.DefaultCreator == null || contract.DefaultCreatorNonPublic)
{
ConstructorInfo constructor = GetParametrizedConstructor(contract.NonNullableUnderlyingType);
if (constructor != null)
{
#pragma warning disable 618
contract.ParametrizedConstructor = constructor;
#pragma warning restore 618
contract.CreatorParameters.AddRange(CreateConstructorParameters(constructor, contract.Properties));
}
}
}
MemberInfo extensionDataMember = GetExtensionDataMemberForType(contract.NonNullableUnderlyingType);
if (extensionDataMember != null)
SetExtensionDataDelegates(contract, extensionDataMember);
return contract;
}
private MemberInfo GetExtensionDataMemberForType(Type type)
{
IEnumerable<MemberInfo> members = GetClassHierarchyForType(type).SelectMany(baseType =>
{
IList<MemberInfo> m = new List<MemberInfo>();
m.AddRange(baseType.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.DeclaredOnly));
m.AddRange(baseType.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.DeclaredOnly));
return m;
});
MemberInfo extensionDataMember = members.LastOrDefault(m =>
{
MemberTypes memberType = m.MemberType();
if (memberType != MemberTypes.Property && memberType != MemberTypes.Field)
return false;
// last instance of attribute wins on type if there are multiple
if (!m.IsDefined(typeof(JsonExtensionDataAttribute), false))
return false;
Type t = ReflectionUtils.GetMemberUnderlyingType(m);
Type dictionaryType;
if (ReflectionUtils.ImplementsGenericDefinition(t, typeof(IDictionary<,>), out dictionaryType))
{
Type keyType = dictionaryType.GetGenericArguments()[0];
Type valueType = dictionaryType.GetGenericArguments()[1];
if (keyType.IsAssignableFrom(typeof(string)) && valueType.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));
});
return extensionDataMember;
}
private static void SetExtensionDataDelegates(JsonObjectContract contract, MemberInfo member)
{
JsonExtensionDataAttribute extensionDataAttribute = ReflectionUtils.GetAttribute<JsonExtensionDataAttribute>(member);
if (extensionDataAttribute == null)
return;
Type t = ReflectionUtils.GetMemberUnderlyingType(member);
Type dictionaryType;
ReflectionUtils.ImplementsGenericDefinition(t, typeof(IDictionary<,>), out dictionaryType);
Type keyType = dictionaryType.GetGenericArguments()[0];
Type valueType = dictionaryType.GetGenericArguments()[1];
bool isJTokenValueType = typeof(JToken).IsAssignableFrom(valueType);
Type createdType;
// change type to a class if it is the base interface so it can be instantiated if needed
if (ReflectionUtils.IsGenericDefinition(t, typeof(IDictionary<,>)))
createdType = typeof(Dictionary<,>).MakeGenericType(keyType, valueType);
else
createdType = t;
MethodInfo addMethod = t.GetMethod("Add", new[] { keyType, valueType });
Func<object, object> getExtensionDataDictionary = JsonTypeReflector.ReflectionDelegateFactory.CreateGet<object>(member);
Action<object, object> setExtensionDataDictionary = JsonTypeReflector.ReflectionDelegateFactory.CreateSet<object>(member);
Func<object> createExtensionDataDictionary = JsonTypeReflector.ReflectionDelegateFactory.CreateDefaultConstructor<object>(createdType);
MethodCall<object, object> setExtensionDataDictionaryValue = JsonTypeReflector.ReflectionDelegateFactory.CreateMethodCall<object>(addMethod);
ExtensionDataSetter extensionDataSetter = (o, key, value) =>
{
object dictionary = getExtensionDataDictionary(o);
if (dictionary == null)
{
dictionary = createExtensionDataDictionary();
setExtensionDataDictionary(o, dictionary);
}
// convert object value to JToken so it is compatible with dictionary
// could happen because of primitive types, type name handling and references
if (isJTokenValueType && !(value is JToken))
value = (value != null) ? JToken.FromObject(value) : JValue.CreateNull();
setExtensionDataDictionaryValue(dictionary, key, value);
};
Type enumerableWrapper = typeof(DictionaryEnumerator<,>).MakeGenericType(keyType, valueType);
ConstructorInfo constructors = enumerableWrapper.GetConstructors().First();
ObjectConstructor<object> createEnumerableWrapper = JsonTypeReflector.ReflectionDelegateFactory.CreateParametrizedConstructor(constructors);
ExtensionDataGetter extensionDataGetter = o =>
{
object dictionary = getExtensionDataDictionary(o);
if (dictionary == null)
return null;
return (IEnumerable<KeyValuePair<object, object>>)createEnumerableWrapper(dictionary);
};
if (extensionDataAttribute.ReadData)
contract.ExtensionDataSetter = extensionDataSetter;
if (extensionDataAttribute.WriteData)
contract.ExtensionDataGetter = extensionDataGetter;
}
internal struct DictionaryEnumerator<TEnumeratorKey, TEnumeratorValue> : IEnumerable<KeyValuePair<object, object>>, IEnumerator<KeyValuePair<object, object>>
{
private readonly IEnumerator<KeyValuePair<TEnumeratorKey, TEnumeratorValue>> _e;
public DictionaryEnumerator(IEnumerable<KeyValuePair<TEnumeratorKey, TEnumeratorValue>> e)
{
ValidationUtils.ArgumentNotNull(e, "e");
_e = e.GetEnumerator();
}
public bool MoveNext()
{
return _e.MoveNext();
}
public void Reset()
{
_e.Reset();
}
public KeyValuePair<object, object> Current
{
get { return new KeyValuePair<object, object>(_e.Current.Key, _e.Current.Value); }
}
public void Dispose()
{
_e.Dispose();
}
object IEnumerator.Current
{
get { return Current; }
}
public IEnumerator<KeyValuePair<object, object>> GetEnumerator()
{
return this;
}
IEnumerator IEnumerable.GetEnumerator()
{
return this;
}
}
private ConstructorInfo GetAttributeConstructor(Type objectType)
{
IList<ConstructorInfo> markedConstructors = objectType.GetConstructors(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic).Where(c => c.IsDefined(typeof(JsonConstructorAttribute), true)).ToList();
if (markedConstructors.Count > 1)
throw new JsonException("Multiple constructors with the JsonConstructorAttribute.");
else if (markedConstructors.Count == 1)
return markedConstructors[0];
// little hack to get Version objects to deserialize correctly
if (objectType == typeof(Version))
return objectType.GetConstructor(new[] { typeof(int), typeof(int), typeof(int), typeof(int) });
return null;
}
private ConstructorInfo GetParametrizedConstructor(Type objectType)
{
IList<ConstructorInfo> constructors = objectType.GetConstructors(BindingFlags.Public | BindingFlags.Instance).ToList();
if (constructors.Count == 1)
return constructors[0];
else
return null;
}
/// <summary>
/// Creates the constructor parameters.
/// </summary>
/// <param name="constructor">The constructor to create properties for.</param>
/// <param name="memberProperties">The type's member properties.</param>
/// <returns>Properties for the given <see cref="ConstructorInfo"/>.</returns>
protected virtual IList<JsonProperty> CreateConstructorParameters(ConstructorInfo constructor, JsonPropertyCollection memberProperties)
{
var constructorParameters = constructor.GetParameters();
JsonPropertyCollection parameterCollection = new JsonPropertyCollection(constructor.DeclaringType);
foreach (ParameterInfo parameterInfo in constructorParameters)
{
// it is possible to generate a ParameterInfo with a null name using Reflection.Emit
// protect against an ArgumentNullException from GetClosestMatchProperty by testing for null here
JsonProperty matchingMemberProperty = (parameterInfo.Name != null) ? memberProperties.GetClosestMatchProperty(parameterInfo.Name) : null;
// type must match as well as name
if (matchingMemberProperty != null && matchingMemberProperty.PropertyType != parameterInfo.ParameterType)
matchingMemberProperty = null;
// ensure that property will have a name from matching property or from parameterinfo
// parameterinfo could have no name if generated by a proxy (I'm looking at you Castle)
if (matchingMemberProperty != null || parameterInfo.Name != null)
{
JsonProperty property = CreatePropertyFromConstructorParameter(matchingMemberProperty, parameterInfo);
if (property != null)
{
parameterCollection.AddProperty(property);
}
}
}
return parameterCollection;
}
/// <summary>
/// Creates a <see cref="JsonProperty"/> for the given <see cref="ParameterInfo"/>.
/// </summary>
/// <param name="matchingMemberProperty">The matching member property.</param>
/// <param name="parameterInfo">The constructor parameter.</param>
/// <returns>A created <see cref="JsonProperty"/> for the given <see cref="ParameterInfo"/>.</returns>
protected virtual JsonProperty CreatePropertyFromConstructorParameter(JsonProperty matchingMemberProperty, ParameterInfo parameterInfo)
{
JsonProperty property = new JsonProperty();
property.PropertyType = parameterInfo.ParameterType;
property.AttributeProvider = new ReflectionAttributeProvider(parameterInfo);
bool allowNonPublicAccess;
SetPropertySettingsFromAttributes(property, parameterInfo, parameterInfo.Name, parameterInfo.Member.DeclaringType, MemberSerialization.OptOut, out allowNonPublicAccess);
property.Readable = false;
property.Writable = true;
// "inherit" values from matching member property if unset on parameter
if (matchingMemberProperty != null)
{
property.PropertyName = (property.PropertyName != parameterInfo.Name) ? property.PropertyName : matchingMemberProperty.PropertyName;
property.Converter = property.Converter ?? matchingMemberProperty.Converter;
property.MemberConverter = property.MemberConverter ?? matchingMemberProperty.MemberConverter;
if (!property._hasExplicitDefaultValue && matchingMemberProperty._hasExplicitDefaultValue)
property.DefaultValue = matchingMemberProperty.DefaultValue;
property._required = property._required ?? matchingMemberProperty._required;
property.IsReference = property.IsReference ?? matchingMemberProperty.IsReference;
property.NullValueHandling = property.NullValueHandling ?? matchingMemberProperty.NullValueHandling;
property.DefaultValueHandling = property.DefaultValueHandling ?? matchingMemberProperty.DefaultValueHandling;
property.ReferenceLoopHandling = property.ReferenceLoopHandling ?? matchingMemberProperty.ReferenceLoopHandling;
property.ObjectCreationHandling = property.ObjectCreationHandling ?? matchingMemberProperty.ObjectCreationHandling;
property.TypeNameHandling = property.TypeNameHandling ?? matchingMemberProperty.TypeNameHandling;
}
return property;
}
/// <summary>
/// Resolves the default <see cref="JsonConverter" /> for the contract.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns>The contract's default <see cref="JsonConverter" />.</returns>
protected virtual JsonConverter ResolveContractConverter(Type objectType)
{
return JsonTypeReflector.GetJsonConverter(objectType);
}
private Func<object> GetDefaultCreator(Type createdType)
{
return JsonTypeReflector.ReflectionDelegateFactory.CreateDefaultConstructor<object>(createdType);
}
#if !NET20
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Portability", "CA1903:UseOnlyApiFromTargetedFramework", MessageId = "System.Runtime.Serialization.DataContractAttribute.#get_IsReference()")]
#endif
private void InitializeContract(JsonContract contract)
{
JsonContainerAttribute containerAttribute = JsonTypeReflector.GetCachedAttribute<JsonContainerAttribute>(contract.NonNullableUnderlyingType);
if (containerAttribute != null)
{
contract.IsReference = containerAttribute._isReference;
}
#if !NET20
else
{
DataContractAttribute dataContractAttribute = JsonTypeReflector.GetDataContractAttribute(contract.NonNullableUnderlyingType);
// doesn't have a null value
if (dataContractAttribute != null && dataContractAttribute.IsReference)
contract.IsReference = true;
}
#endif
contract.Converter = ResolveContractConverter(contract.NonNullableUnderlyingType);
// then see whether object is compadible with any of the built in converters
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() &&
ReflectionUtils.GetDefaultConstructor(contract.CreatedType) == null);
}
ResolveCallbackMethods(contract, contract.NonNullableUnderlyingType);
}
private void ResolveCallbackMethods(JsonContract contract, Type t)
{
List<SerializationCallback> onSerializing;
List<SerializationCallback> onSerialized;
List<SerializationCallback> onDeserializing;
List<SerializationCallback> onDeserialized;
List<SerializationErrorCallback> onError;
GetCallbackMethodsForType(t, out onSerializing, out onSerialized, out onDeserializing, out onDeserialized, out onError);
if (onSerializing != null)
{
#if !(NET35 || NET20 || NETFX_CORE)
if (t.Name != FSharpUtils.FSharpSetTypeName && t.Name != FSharpUtils.FSharpMapTypeName)
#endif
{
#if NETFX_CORE
if (!t.IsGenericType() || (t.GetGenericTypeDefinition() != typeof(ConcurrentDictionary<,>)))
contract.OnSerializingCallbacks.AddRange(onSerializing);
#else
contract.OnSerializingCallbacks.AddRange(onSerializing);
#endif
}
}
if (onSerialized != null)
contract.OnSerializedCallbacks.AddRange(onSerialized);
if (onDeserializing != null)
{
contract.OnDeserializingCallbacks.AddRange(onDeserializing);
}
if (onDeserialized != null)
{
#if !(NET35 || NET20 || NETFX_CORE)
if (t.Name != FSharpUtils.FSharpSetTypeName && t.Name != FSharpUtils.FSharpMapTypeName)
#endif
{
// ConcurrentDictionary throws an error here so don't use its OnDeserialized - http://json.codeplex.com/discussions/257093
#if !(NET35 || NET20 || PORTABLE || PORTABLE40)
if (!t.IsGenericType() || (t.GetGenericTypeDefinition() != typeof(ConcurrentDictionary<,>)))
contract.OnDeserializedCallbacks.AddRange(onDeserialized);
#else
contract.OnDeserializedCallbacks.AddRange(onDeserialized);
#endif
}
}
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 baseType in GetClassHierarchyForType(type))
{
// while we allow more than one OnSerialized total, only one can be defined per class
MethodInfo currentOnSerializing = null;
MethodInfo currentOnSerialized = null;
MethodInfo currentOnDeserializing = null;
MethodInfo currentOnDeserialized = null;
MethodInfo currentOnError = null;
foreach (MethodInfo method in baseType.GetMethods(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly))
{
// compact framework errors when getting parameters for a generic method
// lame, but generic methods should not be callbacks anyway
if (method.ContainsGenericParameters)
continue;
Type prevAttributeType = null;
ParameterInfo[] parameters = method.GetParameters();
if (IsValidCallback(method, parameters, typeof(OnSerializingAttribute), currentOnSerializing, ref prevAttributeType))
{
onSerializing = onSerializing ?? new List<SerializationCallback>();
onSerializing.Add(JsonContract.CreateSerializationCallback(method));
currentOnSerializing = method;
}
if (IsValidCallback(method, parameters, typeof(OnSerializedAttribute), currentOnSerialized, ref prevAttributeType))
{
onSerialized = onSerialized ?? new List<SerializationCallback>();
onSerialized.Add(JsonContract.CreateSerializationCallback(method));
currentOnSerialized = method;
}
if (IsValidCallback(method, parameters, typeof(OnDeserializingAttribute), currentOnDeserializing, ref prevAttributeType))
{
onDeserializing = onDeserializing ?? new List<SerializationCallback>();
onDeserializing.Add(JsonContract.CreateSerializationCallback(method));
currentOnDeserializing = method;
}
if (IsValidCallback(method, parameters, typeof(OnDeserializedAttribute), currentOnDeserialized, ref prevAttributeType))
{
onDeserialized = onDeserialized ?? new List<SerializationCallback>();
onDeserialized.Add(JsonContract.CreateSerializationCallback(method));
currentOnDeserialized = method;
}
if (IsValidCallback(method, parameters, typeof(OnErrorAttribute), currentOnError, ref prevAttributeType))
{
onError = onError ?? new List<SerializationErrorCallback>();
onError.Add(JsonContract.CreateSerializationErrorCallback(method));
currentOnError = method;
}
}
}
}
private List<Type> GetClassHierarchyForType(Type type)
{
List<Type> ret = new List<Type>();
Type current = type;
while (current != null && current != typeof(object))
{
ret.Add(current);
current = current.BaseType();
}
// Return the class list in order of simple => complex
ret.Reverse();
return ret;
}
/// <summary>
/// Creates a <see cref="JsonDictionaryContract"/> for the given type.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns>A <see cref="JsonDictionaryContract"/> for the given type.</returns>
protected virtual JsonDictionaryContract CreateDictionaryContract(Type objectType)
{
JsonDictionaryContract contract = new JsonDictionaryContract(objectType);
InitializeContract(contract);
contract.PropertyNameResolver = ResolvePropertyName;
return contract;
}
/// <summary>
/// Creates a <see cref="JsonArrayContract"/> for the given type.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns>A <see cref="JsonArrayContract"/> for the given type.</returns>
protected virtual JsonArrayContract CreateArrayContract(Type objectType)
{
JsonArrayContract contract = new JsonArrayContract(objectType);
InitializeContract(contract);
return contract;
}
/// <summary>
/// Creates a <see cref="JsonPrimitiveContract"/> for the given type.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns>A <see cref="JsonPrimitiveContract"/> for the given type.</returns>
protected virtual JsonPrimitiveContract CreatePrimitiveContract(Type objectType)
{
JsonPrimitiveContract contract = new JsonPrimitiveContract(objectType);
InitializeContract(contract);
return contract;
}
/// <summary>
/// Creates a <see cref="JsonLinqContract"/> for the given type.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns>A <see cref="JsonLinqContract"/> for the given type.</returns>
protected virtual JsonLinqContract CreateLinqContract(Type objectType)
{
JsonLinqContract contract = new JsonLinqContract(objectType);
InitializeContract(contract);
return contract;
}
#if !(NETFX_CORE || PORTABLE40 || PORTABLE)
/// <summary>
/// Creates a <see cref="JsonISerializableContract"/> for the given type.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns>A <see cref="JsonISerializableContract"/> for the given type.</returns>
protected virtual JsonISerializableContract CreateISerializableContract(Type objectType)
{
JsonISerializableContract contract = new JsonISerializableContract(objectType);
InitializeContract(contract);
ConstructorInfo constructorInfo = contract.NonNullableUnderlyingType.GetConstructor(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance, null, new[] { typeof(SerializationInfo), typeof(StreamingContext) }, null);
if (constructorInfo != null)
{
ObjectConstructor<object> creator = JsonTypeReflector.ReflectionDelegateFactory.CreateParametrizedConstructor(constructorInfo);
contract.ISerializableCreator = creator;
}
return contract;
}
#endif
#if !(NET35 || NET20 || PORTABLE40)
/// <summary>
/// Creates a <see cref="JsonDynamicContract"/> for the given type.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns>A <see cref="JsonDynamicContract"/> for the given type.</returns>
protected virtual JsonDynamicContract CreateDynamicContract(Type objectType)
{
JsonDynamicContract contract = new JsonDynamicContract(objectType);
InitializeContract(contract);
contract.PropertyNameResolver = ResolvePropertyName;
contract.Properties.AddRange(CreateProperties(objectType, MemberSerialization.OptOut));
return contract;
}
#endif
/// <summary>
/// Creates a <see cref="JsonStringContract"/> for the given type.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <returns>A <see cref="JsonStringContract"/> for the given type.</returns>
protected virtual JsonStringContract CreateStringContract(Type objectType)
{
JsonStringContract contract = new JsonStringContract(objectType);
InitializeContract(contract);
return contract;
}
/// <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)
{
if (IsJsonPrimitiveType(objectType))
return CreatePrimitiveContract(objectType);
Type t = ReflectionUtils.EnsureNotNullableType(objectType);
JsonContainerAttribute containerAttribute = JsonTypeReflector.GetCachedAttribute<JsonContainerAttribute>(t);
if (containerAttribute is JsonObjectAttribute)
return CreateObjectContract(objectType);
if (containerAttribute is JsonArrayAttribute)
return CreateArrayContract(objectType);
if (containerAttribute is JsonDictionaryAttribute)
return CreateDictionaryContract(objectType);
if (t == typeof(JToken) || t.IsSubclassOf(typeof(JToken)))
return CreateLinqContract(objectType);
if (CollectionUtils.IsDictionaryType(t))
return CreateDictionaryContract(objectType);
if (typeof(IEnumerable).IsAssignableFrom(t))
return CreateArrayContract(objectType);
if (CanConvertToString(t))
return CreateStringContract(objectType);
#if !(NETFX_CORE || PORTABLE40 || PORTABLE)
if (!IgnoreSerializableInterface && typeof(ISerializable).IsAssignableFrom(t))
return CreateISerializableContract(objectType);
#endif
#if !(NET35 || NET20 || PORTABLE40)
if (typeof(IDynamicMetaObjectProvider).IsAssignableFrom(t))
return CreateDynamicContract(objectType);
#endif
#if !(PORTABLE || NETFX_CORE)
// tested last because it is not possible to automatically deserialize custom IConvertible types
if (IsIConvertible(t))
return CreatePrimitiveContract(t);
#endif
return CreateObjectContract(objectType);
}
internal static bool IsJsonPrimitiveType(Type t)
{
PrimitiveTypeCode typeCode = ConvertUtils.GetTypeCode(t);
return (typeCode != PrimitiveTypeCode.Empty && typeCode != PrimitiveTypeCode.Object);
}
#if !(PORTABLE || NETFX_CORE)
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;
}
#endif
internal static bool CanConvertToString(Type type)
{
#if !(NETFX_CORE || PORTABLE40 || PORTABLE)
TypeConverter converter = ConvertUtils.GetConverter(type);
// use the objectType's TypeConverter if it has one and can convert to a string
if (converter != null
&& !(converter is ComponentConverter)
&& !(converter is ReferenceConverter)
&& converter.GetType() != typeof(TypeConverter))
{
if (converter.CanConvertTo(typeof(string)))
return true;
}
#endif
if (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 (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 (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 (method.ReturnType != typeof(void))
throw new JsonException("Serialization Callback '{1}' in type '{0}' must return void.".FormatWith(CultureInfo.InvariantCulture, GetClrTypeFullName(method.DeclaringType), method));
if (attributeType == typeof(OnErrorAttribute))
{
if (parameters == null || parameters.Length != 2 || parameters[0].ParameterType != typeof(StreamingContext) || 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 || 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 string.Format(CultureInfo.InvariantCulture, "{0}.{1}", new object[] { type.Namespace, type.Name });
}
/// <summary>
/// Creates properties for the given <see cref="JsonContract"/>.
/// </summary>
/// <param name="type">The type to create properties for.</param>
/// /// <param name="memberSerialization">The member serialization mode for the type.</param>
/// <returns>Properties for the given <see cref="JsonContract"/>.</returns>
protected virtual IList<JsonProperty> CreateProperties(Type type, MemberSerialization memberSerialization)
{
List<MemberInfo> members = GetSerializableMembers(type);
if (members == null)
throw new JsonSerializationException("Null collection of seralizable members returned.");
JsonPropertyCollection properties = new JsonPropertyCollection(type);
foreach (MemberInfo member in members)
{
JsonProperty property = CreateProperty(member, memberSerialization);
if (property != null)
{
DefaultContractResolverState state = GetState();
// nametable is not thread-safe for multiple writers
lock (state.NameTable)
{
property.PropertyName = state.NameTable.Add(property.PropertyName);
}
properties.AddProperty(property);
}
}
IList<JsonProperty> orderedProperties = properties.OrderBy(p => p.Order ?? -1).ToList();
return orderedProperties;
}
/// <summary>
/// Creates the <see cref="IValueProvider"/> used by the serializer to get and set values from a member.
/// </summary>
/// <param name="member">The member.</param>
/// <returns>The <see cref="IValueProvider"/> used by the serializer to get and set values from a member.</returns>
protected virtual IValueProvider CreateMemberValueProvider(MemberInfo member)
{
// warning - this method use to cause errors with Intellitrace. Retest in VS Ultimate after changes
IValueProvider valueProvider;
#if !(PORTABLE40 || PORTABLE || NETFX_CORE)
if (DynamicCodeGeneration)
valueProvider = new DynamicValueProvider(member);
else
valueProvider = new ReflectionValueProvider(member);
#elif !(PORTABLE40)
valueProvider = new ExpressionValueProvider(member);
#else
valueProvider = new ReflectionValueProvider(member);
#endif
return valueProvider;
}
/// <summary>
/// Creates a <see cref="JsonProperty"/> for the given <see cref="MemberInfo"/>.
/// </summary>
/// <param name="memberSerialization">The member's parent <see cref="MemberSerialization"/>.</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(MemberInfo member, MemberSerialization memberSerialization)
{
JsonProperty property = new JsonProperty();
property.PropertyType = ReflectionUtils.GetMemberUnderlyingType(member);
property.DeclaringType = member.DeclaringType;
property.ValueProvider = CreateMemberValueProvider(member);
property.AttributeProvider = new ReflectionAttributeProvider(member);
bool allowNonPublicAccess;
SetPropertySettingsFromAttributes(property, member, member.Name, member.DeclaringType, memberSerialization, out allowNonPublicAccess);
if (memberSerialization != MemberSerialization.Fields)
{
property.Readable = ReflectionUtils.CanReadMemberValue(member, allowNonPublicAccess);
property.Writable = ReflectionUtils.CanSetMemberValue(member, allowNonPublicAccess, property.HasMemberAttribute);
}
else
{
// write to readonly fields
property.Readable = true;
property.Writable = true;
}
property.ShouldSerialize = CreateShouldSerializeTest(member);
SetIsSpecifiedActions(property, member, allowNonPublicAccess);
return property;
}
private void SetPropertySettingsFromAttributes(JsonProperty property, object attributeProvider, string name, Type declaringType, MemberSerialization memberSerialization, out bool allowNonPublicAccess)
{
#if !NET20
DataContractAttribute dataContractAttribute = JsonTypeReflector.GetDataContractAttribute(declaringType);
MemberInfo memberInfo = attributeProvider as MemberInfo;
DataMemberAttribute dataMemberAttribute;
if (dataContractAttribute != null && memberInfo != null)
dataMemberAttribute = JsonTypeReflector.GetDataMemberAttribute((MemberInfo)memberInfo);
else
dataMemberAttribute = null;
#endif
JsonPropertyAttribute propertyAttribute = JsonTypeReflector.GetAttribute<JsonPropertyAttribute>(attributeProvider);
if (propertyAttribute != null)
property.HasMemberAttribute = true;
string mappedName;
if (propertyAttribute != null && propertyAttribute.PropertyName != null)
mappedName = propertyAttribute.PropertyName;
#if !NET20
else if (dataMemberAttribute != null && dataMemberAttribute.Name != null)
mappedName = dataMemberAttribute.Name;
#endif
else
mappedName = name;
property.PropertyName = ResolvePropertyName(mappedName);
property.UnderlyingName = name;
bool hasMemberAttribute = false;
if (propertyAttribute != null)
{
property._required = propertyAttribute._required;
property.Order = propertyAttribute._order;
property.DefaultValueHandling = propertyAttribute._defaultValueHandling;
hasMemberAttribute = true;
}
#if !NET20
else if (dataMemberAttribute != null)
{
property._required = (dataMemberAttribute.IsRequired) ? Required.AllowNull : Required.Default;
property.Order = (dataMemberAttribute.Order != -1) ? (int?)dataMemberAttribute.Order : null;
property.DefaultValueHandling = (!dataMemberAttribute.EmitDefaultValue) ? (DefaultValueHandling?)DefaultValueHandling.Ignore : null;
hasMemberAttribute = true;
}
#endif
bool hasJsonIgnoreAttribute =
JsonTypeReflector.GetAttribute<JsonIgnoreAttribute>(attributeProvider) != null
// automatically ignore extension data dictionary property if it is public
|| JsonTypeReflector.GetAttribute<JsonExtensionDataAttribute>(attributeProvider) != null
#if !(NETFX_CORE || PORTABLE40 || PORTABLE)
|| JsonTypeReflector.GetAttribute<NonSerializedAttribute>(attributeProvider) != null
#endif
;
if (memberSerialization != MemberSerialization.OptIn)
{
bool hasIgnoreDataMemberAttribute = false;
#if !(NET20 || NET35)
hasIgnoreDataMemberAttribute = (JsonTypeReflector.GetAttribute<IgnoreDataMemberAttribute>(attributeProvider) != null);
#endif
// ignored if it has JsonIgnore or NonSerialized or IgnoreDataMember attributes
property.Ignored = (hasJsonIgnoreAttribute || hasIgnoreDataMemberAttribute);
}
else
{
// ignored if it has JsonIgnore/NonSerialized or does not have DataMember or JsonProperty attributes
property.Ignored = (hasJsonIgnoreAttribute || !hasMemberAttribute);
}
// resolve converter for property
// the class type might have a converter but the property converter takes presidence
property.Converter = JsonTypeReflector.GetJsonConverter(attributeProvider);
property.MemberConverter = JsonTypeReflector.GetJsonConverter(attributeProvider);
DefaultValueAttribute defaultValueAttribute = JsonTypeReflector.GetAttribute<DefaultValueAttribute>(attributeProvider);
if (defaultValueAttribute != null)
property.DefaultValue = defaultValueAttribute.Value;
property.NullValueHandling = (propertyAttribute != null) ? propertyAttribute._nullValueHandling : 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;
property.ItemIsReference = (propertyAttribute != null) ? propertyAttribute._itemIsReference : null;
property.ItemConverter =
(propertyAttribute != null && propertyAttribute.ItemConverterType != null)
? JsonTypeReflector.CreateJsonConverterInstance(propertyAttribute.ItemConverterType, propertyAttribute.ItemConverterParameters)
: null;
property.ItemReferenceLoopHandling = (propertyAttribute != null) ? propertyAttribute._itemReferenceLoopHandling : null;
property.ItemTypeNameHandling = (propertyAttribute != null) ? propertyAttribute._itemTypeNameHandling : null;
allowNonPublicAccess = false;
#pragma warning disable 618
if ((DefaultMembersSearchFlags & BindingFlags.NonPublic) == BindingFlags.NonPublic)
allowNonPublicAccess = true;
#pragma warning restore 618
if (propertyAttribute != null)
allowNonPublicAccess = true;
if (memberSerialization == MemberSerialization.Fields)
allowNonPublicAccess = true;
#if !NET20
if (dataMemberAttribute != null)
{
allowNonPublicAccess = true;
property.HasMemberAttribute = true;
}
#endif
}
private Predicate<object> CreateShouldSerializeTest(MemberInfo member)
{
MethodInfo shouldSerializeMethod = member.DeclaringType.GetMethod(JsonTypeReflector.ShouldSerializePrefix + member.Name, ReflectionUtils.EmptyTypes);
if (shouldSerializeMethod == null || shouldSerializeMethod.ReturnType != typeof(bool))
return null;
MethodCall<object, object> shouldSerializeCall =
JsonTypeReflector.ReflectionDelegateFactory.CreateMethodCall<object>(shouldSerializeMethod);
return o => (bool)shouldSerializeCall(o);
}
private void SetIsSpecifiedActions(JsonProperty property, MemberInfo member, bool allowNonPublicAccess)
{
MemberInfo specifiedMember = member.DeclaringType.GetProperty(member.Name + JsonTypeReflector.SpecifiedPostfix);
if (specifiedMember == null)
specifiedMember = member.DeclaringType.GetField(member.Name + JsonTypeReflector.SpecifiedPostfix);
if (specifiedMember == null || ReflectionUtils.GetMemberUnderlyingType(specifiedMember) != typeof(bool))
{
return;
}
Func<object, object> specifiedPropertyGet = JsonTypeReflector.ReflectionDelegateFactory.CreateGet<object>(specifiedMember);
property.GetIsSpecified = o => (bool)specifiedPropertyGet(o);
if (ReflectionUtils.CanSetMemberValue(specifiedMember, allowNonPublicAccess, false))
property.SetIsSpecified = JsonTypeReflector.ReflectionDelegateFactory.CreateSet<object>(specifiedMember);
}
/// <summary>
/// Resolves the name of the property.
/// </summary>
/// <param name="propertyName">Name of the property.</param>
/// <returns>Name of the property.</returns>
protected internal virtual string ResolvePropertyName(string propertyName)
{
return propertyName;
}
/// <summary>
/// Gets the resolved name of the property.
/// </summary>
/// <param name="propertyName">Name of the property.</param>
/// <returns>Name of the property.</returns>
public string GetResolvedPropertyName(string propertyName)
{
// this is a new method rather than changing the visibility of ResolvePropertyName to avoid
// a breaking change for anyone who has overidden the method
return ResolvePropertyName(propertyName);
}
}
}