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#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.Reflection;
using System.Runtime.Serialization;
using Newtonsoft.Json.Utilities;
namespace Newtonsoft.Json.Serialization
{
/// <summary>
/// Contract details for a <see cref="Type"/> used by the <see cref="JsonSerializer"/>.
/// </summary>
public abstract class JsonContract
{
internal enum ReadType
{
Read,
ReadAsDecimal,
ReadAsBytes,
#if !NET20
ReadAsDateTimeOffset
#endif
}
/// <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; set; }
/// <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; }
internal ReadType InternalReadType;
internal bool IsNullable;
internal bool IsConvertable;
internal Type NonNullableUnderlyingType;
#if !PocketPC
/// <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>
public MethodInfo OnDeserialized { get; set; }
/// <summary>
/// Gets or sets the method called during deserialization of the object.
/// </summary>
/// <value>The method called during deserialization of the object.</value>
public MethodInfo OnDeserializing { get; set; }
/// <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>
public MethodInfo OnSerialized { get; set; }
/// <summary>
/// Gets or sets the method called before serialization of the object.
/// </summary>
/// <value>The method called before serialization of the object.</value>
public MethodInfo OnSerializing { get; set; }
#endif
/// <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 [default creator 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; }
/// <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>
public MethodInfo OnError { get; set; }
internal void InvokeOnSerializing(object o, StreamingContext context)
{
#if !PocketPC
if (OnSerializing != null)
OnSerializing.Invoke(o, new object[] {context});
#endif
}
internal void InvokeOnSerialized(object o, StreamingContext context)
{
#if !PocketPC
if (OnSerialized != null)
OnSerialized.Invoke(o, new object[] {context});
#endif
}
internal void InvokeOnDeserializing(object o, StreamingContext context)
{
#if !PocketPC
if (OnDeserializing != null)
OnDeserializing.Invoke(o, new object[] {context});
#endif
}
internal void InvokeOnDeserialized(object o, StreamingContext context)
{
#if !PocketPC
if (OnDeserialized != null)
OnDeserialized.Invoke(o, new object[] {context});
#endif
}
internal void InvokeOnError(object o, StreamingContext context, ErrorContext errorContext)
{
if (OnError != null)
OnError.Invoke(o, new object[] {context, errorContext});
}
internal JsonContract(Type underlyingType)
{
ValidationUtils.ArgumentNotNull(underlyingType, "underlyingType");
UnderlyingType = underlyingType;
CreatedType = underlyingType;
IsNullable = ReflectionUtils.IsNullable(underlyingType);
NonNullableUnderlyingType = (IsNullable && ReflectionUtils.IsNullableType(underlyingType)) ? Nullable.GetUnderlyingType(underlyingType) : underlyingType;
IsConvertable = typeof(IConvertible).IsAssignableFrom(NonNullableUnderlyingType);
if (NonNullableUnderlyingType == typeof(byte[]))
{
InternalReadType = ReadType.ReadAsBytes;
}
else if (NonNullableUnderlyingType == typeof(decimal))
{
InternalReadType = ReadType.ReadAsDecimal;
}
#if !NET20
else if (NonNullableUnderlyingType == typeof(DateTimeOffset))
{
InternalReadType = ReadType.ReadAsDateTimeOffset;
}
#endif
else
{
InternalReadType = ReadType.Read;
}
}
}
}
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