JsonContract
Contract details for a Type used by the JsonSerializer.
using Newtonsoft.Json.Utilities;
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Runtime.Serialization;
namespace Newtonsoft.Json.Serialization
{
public abstract class JsonContract
{
internal bool IsNullable;
internal bool IsConvertable;
internal bool IsEnum;
internal Type NonNullableUnderlyingType;
internal ReadType InternalReadType;
internal JsonContractType ContractType;
internal bool IsReadOnlyOrFixedSize;
internal bool IsSealed;
internal bool IsInstantiable;
private List<SerializationCallback> _onDeserializedCallbacks;
private IList<SerializationCallback> _onDeserializingCallbacks;
private IList<SerializationCallback> _onSerializedCallbacks;
private IList<SerializationCallback> _onSerializingCallbacks;
private IList<SerializationErrorCallback> _onErrorCallbacks;
private Type _createdType;
public Type UnderlyingType { get; }
public Type CreatedType {
get {
return _createdType;
}
set {
_createdType = value;
IsSealed = _createdType.IsSealed();
IsInstantiable = (!_createdType.IsInterface() && !_createdType.IsAbstract());
}
}
public bool? IsReference { get; set; }
public JsonConverter Converter { get; set; }
internal JsonConverter InternalConverter { get; set; }
public IList<SerializationCallback> OnDeserializedCallbacks {
get {
if (_onDeserializedCallbacks == null)
_onDeserializedCallbacks = new List<SerializationCallback>();
return _onDeserializedCallbacks;
}
}
public IList<SerializationCallback> OnDeserializingCallbacks {
get {
if (_onDeserializingCallbacks == null)
_onDeserializingCallbacks = new List<SerializationCallback>();
return _onDeserializingCallbacks;
}
}
public IList<SerializationCallback> OnSerializedCallbacks {
get {
if (_onSerializedCallbacks == null)
_onSerializedCallbacks = new List<SerializationCallback>();
return _onSerializedCallbacks;
}
}
public IList<SerializationCallback> OnSerializingCallbacks {
get {
if (_onSerializingCallbacks == null)
_onSerializingCallbacks = new List<SerializationCallback>();
return _onSerializingCallbacks;
}
}
public IList<SerializationErrorCallback> OnErrorCallbacks {
get {
if (_onErrorCallbacks == null)
_onErrorCallbacks = new List<SerializationErrorCallback>();
return _onErrorCallbacks;
}
}
public Func<object> DefaultCreator { get; set; }
public bool DefaultCreatorNonPublic { get; set; }
internal JsonContract(Type underlyingType)
{
ValidationUtils.ArgumentNotNull(underlyingType, "underlyingType");
UnderlyingType = underlyingType;
IsNullable = ReflectionUtils.IsNullable(underlyingType);
NonNullableUnderlyingType = ((IsNullable && ReflectionUtils.IsNullableType(underlyingType)) ? Nullable.GetUnderlyingType(underlyingType) : underlyingType);
CreatedType = NonNullableUnderlyingType;
IsConvertable = ConvertUtils.IsConvertible(NonNullableUnderlyingType);
IsEnum = NonNullableUnderlyingType.IsEnum();
InternalReadType = ReadType.Read;
}
internal void InvokeOnSerializing(object o, StreamingContext context)
{
if (_onSerializingCallbacks != null) {
foreach (SerializationCallback onSerializingCallback in _onSerializingCallbacks) {
onSerializingCallback(o, context);
}
}
}
internal void InvokeOnSerialized(object o, StreamingContext context)
{
if (_onSerializedCallbacks != null) {
foreach (SerializationCallback onSerializedCallback in _onSerializedCallbacks) {
onSerializedCallback(o, context);
}
}
}
internal void InvokeOnDeserializing(object o, StreamingContext context)
{
if (_onDeserializingCallbacks != null) {
foreach (SerializationCallback onDeserializingCallback in _onDeserializingCallbacks) {
onDeserializingCallback(o, context);
}
}
}
internal void InvokeOnDeserialized(object o, StreamingContext context)
{
if (_onDeserializedCallbacks != null) {
foreach (SerializationCallback onDeserializedCallback in _onDeserializedCallbacks) {
onDeserializedCallback(o, context);
}
}
}
internal void InvokeOnError(object o, StreamingContext context, ErrorContext errorContext)
{
if (_onErrorCallbacks != null) {
foreach (SerializationErrorCallback onErrorCallback in _onErrorCallbacks) {
onErrorCallback(o, context, errorContext);
}
}
}
internal static SerializationCallback CreateSerializationCallback(MethodInfo callbackMethodInfo)
{
return delegate(object o, StreamingContext context) {
callbackMethodInfo.Invoke(o, new object[1] {
context
});
};
}
internal static SerializationErrorCallback CreateSerializationErrorCallback(MethodInfo callbackMethodInfo)
{
return delegate(object o, StreamingContext context, ErrorContext econtext) {
callbackMethodInfo.Invoke(o, new object[2] {
context,
econtext
});
};
}
}
}