DataContractSurrogateCaller.cs

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using System.Diagnostics.CodeAnalysis;
 
namespace System.Runtime.Serialization;
 
internal static class DataContractSurrogateCaller
{
    [RequiresUnreferencedCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed. Make sure all of the required types are preserved.")]
    internal static Type GetDataContractType(ISerializationSurrogateProvider surrogateProvider, Type type)
    {
        if (DataContract.GetBuiltInDataContract(type) != null)
        {
            return type;
        }
        return surrogateProvider.GetSurrogateType(type) ?? type;
    }
 
    [RequiresUnreferencedCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed. Make sure all of the required types are preserved.")]
    [return: NotNullIfNotNull("obj")]
    internal static object GetObjectToSerialize(ISerializationSurrogateProvider surrogateProvider, object obj, Type objType, Type membertype)
    {
        if (obj == null)
        {
            return null;
        }
        if (DataContract.GetBuiltInDataContract(objType) != null)
        {
            return obj;
        }
        return surrogateProvider.GetObjectToSerialize(obj, membertype);
    }
 
    [RequiresUnreferencedCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed. Make sure all of the required types are preserved.")]
    [return: NotNullIfNotNull("obj")]
    internal static object GetDeserializedObject(ISerializationSurrogateProvider surrogateProvider, object obj, Type objType, Type memberType)
    {
        if (obj == null)
        {
            return null;
        }
        if (DataContract.GetBuiltInDataContract(objType) != null)
        {
            return obj;
        }
        return surrogateProvider.GetDeserializedObject(obj, memberType);
    }
}