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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#if !NO_CODEDOM
using System.CodeDom;
#endif
using System.Collections.ObjectModel;
using System.Reflection;
namespace System.Runtime.Serialization
{
public static class DataContractSerializerExtensions
{
public static ISerializationSurrogateProvider GetSerializationSurrogateProvider(this DataContractSerializer serializer)
{
SurrogateProviderAdapter adapter = serializer.DataContractSurrogate as SurrogateProviderAdapter;
return (adapter == null) ? null : adapter.Provider;
}
public static void SetSerializationSurrogateProvider(this DataContractSerializer serializer, ISerializationSurrogateProvider provider)
{
// allocate every time, expectation is that this won't happen enough to warrant maintaining a CondtionalWeakTable.
IDataContractSurrogate adapter = new SurrogateProviderAdapter(provider);
// DCS doesn't expose a setter, access the field directly as a workaround
typeof(DataContractSerializer)
.GetField("dataContractSurrogate", BindingFlags.Instance | BindingFlags.NonPublic)
.SetValue(serializer, adapter);
}
private class SurrogateProviderAdapter : IDataContractSurrogate
{
private ISerializationSurrogateProvider _provider;
public SurrogateProviderAdapter(ISerializationSurrogateProvider provider)
{
_provider = provider;
}
public ISerializationSurrogateProvider Provider { get { return _provider; } }
public object GetCustomDataToExport(Type clrType, Type dataContractType)
{
throw NotImplemented.ByDesign;
}
public object GetCustomDataToExport(MemberInfo memberInfo, Type dataContractType)
{
throw NotImplemented.ByDesign;
}
public Type GetDataContractType(Type type)
{
return _provider.GetSurrogateType(type);
}
public object GetDeserializedObject(object obj, Type targetType)
{
return _provider.GetDeserializedObject(obj, targetType);
}
public void GetKnownCustomDataTypes(Collection<Type> customDataTypes)
{
throw NotImplemented.ByDesign;
}
public object GetObjectToSerialize(object obj, Type targetType)
{
return _provider.GetObjectToSerialize(obj, targetType);
}
public Type GetReferencedTypeOnImport(string typeName, string typeNamespace, object customData)
{
throw NotImplemented.ByDesign;
}
#if !NO_CODEDOM
public CodeTypeDeclaration ProcessImportedType(CodeTypeDeclaration typeDeclaration, CodeCompileUnit compileUnit)
{
throw NotImplemented.ByDesign;
}
#endif
}
}
}
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