pos/is4c-nf/scale-drivers/drivers/NewMagellan/Newtonsoft.Json/Serialization/JsonContract.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;
using System.Collections.Generic;
using System.Reflection;
using System.Runtime.Serialization;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Utilities;
namespace Newtonsoft.Json.Serialization
{
internal enum JsonContractType
{
None = 0,
Object = 1,
Array = 2,
Primitive = 3,
String = 4,
Dictionary = 5,
Dynamic = 6,
Serializable = 7,
Linq = 8
}
/// <summary>
/// Handles <see cref="JsonSerializer"/> serialization callback events.
/// </summary>
/// <param name="o">The object that raised the callback event.</param>
/// <param name="context">The streaming context.</param>
public delegate void SerializationCallback(object o, StreamingContext context);
/// <summary>
/// Handles <see cref="JsonSerializer"/> serialization error callback events.
/// </summary>
/// <param name="o">The object that raised the callback event.</param>
/// <param name="context">The streaming context.</param>
/// <param name="errorContext">The error context.</param>
public delegate void SerializationErrorCallback(object o, StreamingContext context, ErrorContext errorContext);
/// <summary>
/// Sets extension data for an object during deserialization.
/// </summary>
/// <param name="o">The object to set extension data on.</param>
/// <param name="key">The extension data key.</param>
/// <param name="value">The extension data value.</param>
public delegate void ExtensionDataSetter(object o, string key, object value);
/// <summary>
/// Gets extension data for an object during serialization.
/// </summary>
/// <param name="o">The object to set extension data on.</param>
public delegate IEnumerable<KeyValuePair<object, object>> ExtensionDataGetter(object o);
/// <summary>
/// Contract details for a <see cref="Type"/> used by the <see cref="JsonSerializer"/>.
/// </summary>
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;
/// <summary>
/// Gets the underlying type for the contract.
/// </summary>
/// <value>The underlying type for the contract.</value>
public Type UnderlyingType { get; private set; }
/// <summary>
/// Gets or sets the type created during deserialization.
/// </summary>
/// <value>The type created during deserialization.</value>
public Type CreatedType
{
get { return _createdType; }
set
{
_createdType = value;
IsSealed = _createdType.IsSealed();
IsInstantiable = !(_createdType.IsInterface() || _createdType.IsAbstract());
}
}
/// <summary>
/// Gets or sets whether this type contract is serialized as a reference.
/// </summary>
/// <value>Whether this type contract is serialized as a reference.</value>
public bool? IsReference { get; set; }
/// <summary>
/// Gets or sets the default <see cref="JsonConverter" /> for this contract.
/// </summary>
/// <value>The converter.</value>
public JsonConverter Converter { get; set; }
// internally specified JsonConverter's to override default behavour
// checked for after passed in converters and attribute specified converters
internal JsonConverter InternalConverter { get; set; }
/// <summary>
/// Gets or sets all methods called immediately after deserialization of the object.
/// </summary>
/// <value>The methods called immediately after deserialization of the object.</value>
public IList<SerializationCallback> OnDeserializedCallbacks
{
get
{
if (_onDeserializedCallbacks == null)
_onDeserializedCallbacks = new List<SerializationCallback>();
return _onDeserializedCallbacks;
}
}
/// <summary>
/// Gets or sets all methods called during deserialization of the object.
/// </summary>
/// <value>The methods called during deserialization of the object.</value>
public IList<SerializationCallback> OnDeserializingCallbacks
{
get
{
if (_onDeserializingCallbacks == null)
_onDeserializingCallbacks = new List<SerializationCallback>();
return _onDeserializingCallbacks;
}
}
/// <summary>
/// Gets or sets all methods called after serialization of the object graph.
/// </summary>
/// <value>The methods called after serialization of the object graph.</value>
public IList<SerializationCallback> OnSerializedCallbacks
{
get
{
if (_onSerializedCallbacks == null)
_onSerializedCallbacks = new List<SerializationCallback>();
return _onSerializedCallbacks;
}
}
/// <summary>
/// Gets or sets all methods called before serialization of the object.
/// </summary>
/// <value>The methods called before serialization of the object.</value>
public IList<SerializationCallback> OnSerializingCallbacks
{
get
{
if (_onSerializingCallbacks == null)
_onSerializingCallbacks = new List<SerializationCallback>();
return _onSerializingCallbacks;
}
}
/// <summary>
/// Gets or sets all method called when an error is thrown during the serialization of the object.
/// </summary>
/// <value>The methods called when an error is thrown during the serialization of the object.</value>
public IList<SerializationErrorCallback> OnErrorCallbacks
{
get
{
if (_onErrorCallbacks == null)
_onErrorCallbacks = new List<SerializationErrorCallback>();
return _onErrorCallbacks;
}
}
/// <summary>
/// Gets or sets the method called immediately after deserialization of the object.
/// </summary>
/// <value>The method called immediately after deserialization of the object.</value>
[Obsolete("This property is obsolete and has been replaced by the OnDeserializedCallbacks collection.")]
public MethodInfo OnDeserialized
{
get { return (OnDeserializedCallbacks.Count > 0) ? OnDeserializedCallbacks[0].Method() : null; }
set
{
OnDeserializedCallbacks.Clear();
OnDeserializedCallbacks.Add(CreateSerializationCallback(value));
}
}
/// <summary>
/// Gets or sets the method called during deserialization of the object.
/// </summary>
/// <value>The method called during deserialization of the object.</value>
[Obsolete("This property is obsolete and has been replaced by the OnDeserializingCallbacks collection.")]
public MethodInfo OnDeserializing
{
get { return (OnDeserializingCallbacks.Count > 0) ? OnDeserializingCallbacks[0].Method() : null; }
set
{
OnDeserializingCallbacks.Clear();
OnDeserializingCallbacks.Add(CreateSerializationCallback(value));
}
}
/// <summary>
/// Gets or sets the method called after serialization of the object graph.
/// </summary>
/// <value>The method called after serialization of the object graph.</value>
[Obsolete("This property is obsolete and has been replaced by the OnSerializedCallbacks collection.")]
public MethodInfo OnSerialized
{
get { return (OnSerializedCallbacks.Count > 0) ? OnSerializedCallbacks[0].Method() : null; }
set
{
OnSerializedCallbacks.Clear();
OnSerializedCallbacks.Add(CreateSerializationCallback(value));
}
}
/// <summary>
/// Gets or sets the method called before serialization of the object.
/// </summary>
/// <value>The method called before serialization of the object.</value>
[Obsolete("This property is obsolete and has been replaced by the OnSerializingCallbacks collection.")]
public MethodInfo OnSerializing
{
get { return (OnSerializingCallbacks.Count > 0) ? OnSerializingCallbacks[0].Method() : null; }
set
{
OnSerializingCallbacks.Clear();
OnSerializingCallbacks.Add(CreateSerializationCallback(value));
}
}
/// <summary>
/// Gets or sets the method called when an error is thrown during the serialization of the object.
/// </summary>
/// <value>The method called when an error is thrown during the serialization of the object.</value>
[Obsolete("This property is obsolete and has been replaced by the OnErrorCallbacks collection.")]
public MethodInfo OnError
{
get { return (OnErrorCallbacks.Count > 0) ? OnErrorCallbacks[0].Method() : null; }
set
{
OnErrorCallbacks.Clear();
OnErrorCallbacks.Add(CreateSerializationErrorCallback(value));
}
}
/// <summary>
/// Gets or sets the default creator method used to create the object.
/// </summary>
/// <value>The default creator method used to create the object.</value>
public Func<object> DefaultCreator { get; set; }
/// <summary>
/// Gets or sets a value indicating whether the default creator is non public.
/// </summary>
/// <value><c>true</c> if the default object creator is non-public; otherwise, <c>false</c>.</value>
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();
if (NonNullableUnderlyingType == typeof(byte[]))
{
InternalReadType = ReadType.ReadAsBytes;
}
else if (NonNullableUnderlyingType == typeof(int))
{
InternalReadType = ReadType.ReadAsInt32;
}
else if (NonNullableUnderlyingType == typeof(decimal))
{
InternalReadType = ReadType.ReadAsDecimal;
}
else if (NonNullableUnderlyingType == typeof(string))
{
InternalReadType = ReadType.ReadAsString;
}
else if (NonNullableUnderlyingType == typeof(DateTime))
{
InternalReadType = ReadType.ReadAsDateTime;
}
#if !NET20
else if (NonNullableUnderlyingType == typeof(DateTimeOffset))
{
InternalReadType = ReadType.ReadAsDateTimeOffset;
}
#endif
else
{
InternalReadType = ReadType.Read;
}
}
internal void InvokeOnSerializing(object o, StreamingContext context)
{
if (_onSerializingCallbacks != null)
{
foreach (SerializationCallback callback in _onSerializingCallbacks)
{
callback(o, context);
}
}
}
internal void InvokeOnSerialized(object o, StreamingContext context)
{
if (_onSerializedCallbacks != null)
{
foreach (SerializationCallback callback in _onSerializedCallbacks)
{
callback(o, context);
}
}
}
internal void InvokeOnDeserializing(object o, StreamingContext context)
{
if (_onDeserializingCallbacks != null)
{
foreach (SerializationCallback callback in _onDeserializingCallbacks)
{
callback(o, context);
}
}
}
internal void InvokeOnDeserialized(object o, StreamingContext context)
{
if (_onDeserializedCallbacks != null)
{
foreach (SerializationCallback callback in _onDeserializedCallbacks)
{
callback(o, context);
}
}
}
internal void InvokeOnError(object o, StreamingContext context, ErrorContext errorContext)
{
if (_onErrorCallbacks != null)
{
foreach (SerializationErrorCallback callback in _onErrorCallbacks)
{
callback(o, context, errorContext);
}
}
}
internal static SerializationCallback CreateSerializationCallback(MethodInfo callbackMethodInfo)
{
return (o, context) => callbackMethodInfo.Invoke(o, new object[] { context });
}
internal static SerializationErrorCallback CreateSerializationErrorCallback(MethodInfo callbackMethodInfo)
{
return (o, context, econtext) => callbackMethodInfo.Invoke(o, new object[] { context, econtext });
}
}
}