pos/is4c-nf/scale-drivers/drivers/NewMagellan/Newtonsoft.Json/Serialization/JsonArrayContract.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.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Globalization;
using System.Reflection;
using Newtonsoft.Json.Utilities;
using System.Collections;
#if NET20
using Newtonsoft.Json.Utilities.LinqBridge;
#else
using System.Linq;
#endif
namespace Newtonsoft.Json.Serialization
{
/// <summary>
/// Contract details for a <see cref="Type"/> used by the <see cref="JsonSerializer"/>.
/// </summary>
public class JsonArrayContract : JsonContainerContract
{
/// <summary>
/// Gets the <see cref="Type"/> of the collection items.
/// </summary>
/// <value>The <see cref="Type"/> of the collection items.</value>
public Type CollectionItemType { get; private set; }
/// <summary>
/// Gets a value indicating whether the collection type is a multidimensional array.
/// </summary>
/// <value><c>true</c> if the collection type is a multidimensional array; otherwise, <c>false</c>.</value>
public bool IsMultidimensionalArray { get; private set; }
private readonly Type _genericCollectionDefinitionType;
private Type _genericWrapperType;
private ObjectConstructor<object> _genericWrapperCreator;
private Func<object> _genericTemporaryCollectionCreator;
internal bool IsArray { get; private set; }
internal bool ShouldCreateWrapper { get; private set; }
internal bool CanDeserialize { get; private set; }
private readonly ConstructorInfo _parametrizedConstructor;
private ObjectConstructor<object> _parametrizedCreator;
internal ObjectConstructor<object> ParametrizedCreator
{
get
{
if (_parametrizedCreator == null)
_parametrizedCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateParametrizedConstructor(_parametrizedConstructor);
return _parametrizedCreator;
}
}
internal bool HasParametrizedCreator
{
get { return _parametrizedCreator != null || _parametrizedConstructor != null; }
}
/// <summary>
/// Initializes a new instance of the <see cref="JsonArrayContract"/> class.
/// </summary>
/// <param name="underlyingType">The underlying type for the contract.</param>
public JsonArrayContract(Type underlyingType)
: base(underlyingType)
{
ContractType = JsonContractType.Array;
IsArray = CreatedType.IsArray;
bool canDeserialize;
Type tempCollectionType;
if (IsArray)
{
CollectionItemType = ReflectionUtils.GetCollectionItemType(UnderlyingType);
IsReadOnlyOrFixedSize = true;
_genericCollectionDefinitionType = typeof(List<>).MakeGenericType(CollectionItemType);
canDeserialize = true;
IsMultidimensionalArray = (IsArray && UnderlyingType.GetArrayRank() > 1);
}
else if (typeof(IList).IsAssignableFrom(underlyingType))
{
if (ReflectionUtils.ImplementsGenericDefinition(underlyingType, typeof(ICollection<>), out _genericCollectionDefinitionType))
CollectionItemType = _genericCollectionDefinitionType.GetGenericArguments()[0];
else
CollectionItemType = ReflectionUtils.GetCollectionItemType(underlyingType);
if (underlyingType == typeof(IList))
CreatedType = typeof(List<object>);
if (CollectionItemType != null)
_parametrizedConstructor = CollectionUtils.ResolveEnumerableCollectionConstructor(underlyingType, CollectionItemType);
IsReadOnlyOrFixedSize = ReflectionUtils.InheritsGenericDefinition(underlyingType, typeof(ReadOnlyCollection<>));
canDeserialize = true;
}
else if (ReflectionUtils.ImplementsGenericDefinition(underlyingType, typeof(ICollection<>), out _genericCollectionDefinitionType))
{
CollectionItemType = _genericCollectionDefinitionType.GetGenericArguments()[0];
if (ReflectionUtils.IsGenericDefinition(underlyingType, typeof(ICollection<>))
|| ReflectionUtils.IsGenericDefinition(underlyingType, typeof(IList<>)))
CreatedType = typeof(List<>).MakeGenericType(CollectionItemType);
#if !(NET20 || NET35 || PORTABLE40)
if (ReflectionUtils.IsGenericDefinition(underlyingType, typeof(ISet<>)))
CreatedType = typeof(HashSet<>).MakeGenericType(CollectionItemType);
#endif
_parametrizedConstructor = CollectionUtils.ResolveEnumerableCollectionConstructor(underlyingType, CollectionItemType);
canDeserialize = true;
ShouldCreateWrapper = true;
}
#if !(NET40 || NET35 || NET20 || PORTABLE40)
else if (ReflectionUtils.ImplementsGenericDefinition(underlyingType, typeof(IReadOnlyCollection<>), out tempCollectionType))
{
CollectionItemType = tempCollectionType.GetGenericArguments()[0];
if (ReflectionUtils.IsGenericDefinition(underlyingType, typeof(IReadOnlyCollection<>))
|| ReflectionUtils.IsGenericDefinition(underlyingType, typeof(IReadOnlyList<>)))
CreatedType = typeof(ReadOnlyCollection<>).MakeGenericType(CollectionItemType);
_genericCollectionDefinitionType = typeof(List<>).MakeGenericType(CollectionItemType);
_parametrizedConstructor = CollectionUtils.ResolveEnumerableCollectionConstructor(CreatedType, CollectionItemType);
IsReadOnlyOrFixedSize = true;
canDeserialize = HasParametrizedCreator;
}
#endif
else if (ReflectionUtils.ImplementsGenericDefinition(underlyingType, typeof(IEnumerable<>), out tempCollectionType))
{
CollectionItemType = tempCollectionType.GetGenericArguments()[0];
if (ReflectionUtils.IsGenericDefinition(UnderlyingType, typeof(IEnumerable<>)))
CreatedType = typeof(List<>).MakeGenericType(CollectionItemType);
_parametrizedConstructor = CollectionUtils.ResolveEnumerableCollectionConstructor(underlyingType, CollectionItemType);
#if !(NET35 || NET20 || NETFX_CORE)
if (!HasParametrizedCreator && underlyingType.Name == FSharpUtils.FSharpListTypeName)
{
FSharpUtils.EnsureInitialized(underlyingType.Assembly());
_parametrizedCreator = FSharpUtils.CreateSeq(CollectionItemType);
}
#endif
if (underlyingType.IsGenericType() && underlyingType.GetGenericTypeDefinition() == typeof(IEnumerable<>))
{
_genericCollectionDefinitionType = tempCollectionType;
IsReadOnlyOrFixedSize = false;
ShouldCreateWrapper = false;
canDeserialize = true;
}
else
{
_genericCollectionDefinitionType = typeof(List<>).MakeGenericType(CollectionItemType);
IsReadOnlyOrFixedSize = true;
ShouldCreateWrapper = true;
canDeserialize = HasParametrizedCreator;
}
}
else
{
// types that implement IEnumerable and nothing else
canDeserialize = false;
ShouldCreateWrapper = true;
}
CanDeserialize = canDeserialize;
#if (NET20 || NET35)
if (CollectionItemType != null && ReflectionUtils.IsNullableType(CollectionItemType))
{
// bug in .NET 2.0 & 3.5 that List<Nullable<T>> throws an error when adding null via IList.Add(object)
// wrapper will handle calling Add(T) instead
if (ReflectionUtils.InheritsGenericDefinition(CreatedType, typeof(List<>), out tempCollectionType)
|| (IsArray && !IsMultidimensionalArray))
{
ShouldCreateWrapper = true;
}
}
#endif
#if !(NET20 || NET35 || NET40 || PORTABLE40)
Type immutableCreatedType;
ObjectConstructor<object> immutableParameterizedCreator;
if (ImmutableCollectionsUtils.TryBuildImmutableForArrayContract(underlyingType, CollectionItemType, out immutableCreatedType, out immutableParameterizedCreator))
{
CreatedType = immutableCreatedType;
_parametrizedCreator = immutableParameterizedCreator;
IsReadOnlyOrFixedSize = true;
CanDeserialize = true;
}
#endif
}
internal IWrappedCollection CreateWrapper(object list)
{
if (_genericWrapperCreator == null)
{
_genericWrapperType = typeof(CollectionWrapper<>).MakeGenericType(CollectionItemType);
Type constructorArgument;
if (ReflectionUtils.InheritsGenericDefinition(_genericCollectionDefinitionType, typeof(List<>))
|| _genericCollectionDefinitionType.GetGenericTypeDefinition() == typeof(IEnumerable<>))
constructorArgument = typeof(ICollection<>).MakeGenericType(CollectionItemType);
else
constructorArgument = _genericCollectionDefinitionType;
ConstructorInfo genericWrapperConstructor = _genericWrapperType.GetConstructor(new[] { constructorArgument });
_genericWrapperCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateParametrizedConstructor(genericWrapperConstructor);
}
return (IWrappedCollection)_genericWrapperCreator(list);
}
internal IList CreateTemporaryCollection()
{
if (_genericTemporaryCollectionCreator == null)
{
// multidimensional array will also have array instances in it
Type collectionItemType = (IsMultidimensionalArray) ? typeof(object) : CollectionItemType;
Type temporaryListType = typeof(List<>).MakeGenericType(collectionItemType);
_genericTemporaryCollectionCreator = JsonTypeReflector.ReflectionDelegateFactory.CreateDefaultConstructor<object>(temporaryListType);
}
return (IList)_genericTemporaryCollectionCreator();
}
}
}