private void DetermineNumberHandling(JsonNumberHandling?parentTypeNumberHandling)
{
bool numberHandlingIsApplicable = ConverterBase.IsInternalConverterForNumberType || TypeIsCollectionOfNumbersWithInternalConverter();
if (IsForClassInfo)
{
if (parentTypeNumberHandling != null && !ConverterBase.IsInternalConverter)
{
ThrowHelper.ThrowInvalidOperationException_NumberHandlingOnPropertyInvalid(this);
}
if (numberHandlingIsApplicable)
{
// This logic is to honor JsonNumberHandlingAttribute placed on
// custom collections e.g. public class MyNumberList : List<int>.
// Priority 1: Get handling from the type (parent type in this case is the type itself).
NumberHandling = parentTypeNumberHandling;
// Priority 2: Get handling from JsonSerializerOptions instance.
if (!NumberHandling.HasValue && Options.NumberHandling != JsonNumberHandling.Strict)
{
NumberHandling = Options.NumberHandling;
}
}
}
else
{
Debug.Assert(MemberInfo != null);
JsonNumberHandlingAttribute?attribute = GetAttribute <JsonNumberHandlingAttribute>(MemberInfo);
if (attribute != null && !numberHandlingIsApplicable)
{
ThrowHelper.ThrowInvalidOperationException_NumberHandlingOnPropertyInvalid(this);
}
if (numberHandlingIsApplicable)
{
// Priority 1: Get handling from attribute on property or field.
JsonNumberHandling?handling = attribute?.Handling;
// Priority 2: Get handling from attribute on parent class type.
handling ??= parentTypeNumberHandling;
// Priority 3: Get handling from JsonSerializerOptions instance.
if (!handling.HasValue && Options.NumberHandling != JsonNumberHandling.Strict)
{
handling = Options.NumberHandling;
}
NumberHandling = handling;
}
}
}
private void DetermineNumberHandling(JsonNumberHandling?parentTypeNumberHandling)
{
if (IsForClassInfo)
{
if (parentTypeNumberHandling != null && !ConverterBase.IsInternalConverter)
{
ThrowHelper.ThrowInvalidOperationException_NumberHandlingOnPropertyInvalid(this);
}
// Priority 1: Get handling from the type (parent type in this case is the type itself).
NumberHandling = parentTypeNumberHandling;
// Priority 2: Get handling from JsonSerializerOptions instance.
if (!NumberHandling.HasValue && Options.NumberHandling != JsonNumberHandling.Strict)
{
NumberHandling = Options.NumberHandling;
}
}
else
{
JsonNumberHandling?handling = null;
// Priority 1: Get handling from attribute on property or field.
if (MemberInfo != null)
{
JsonNumberHandlingAttribute?attribute = GetAttribute <JsonNumberHandlingAttribute>(MemberInfo);
if (attribute != null &&
!ConverterBase.IsInternalConverterForNumberType &&
((ClassType.Enumerable | ClassType.Dictionary) & ClassType) == 0)
{
ThrowHelper.ThrowInvalidOperationException_NumberHandlingOnPropertyInvalid(this);
}
handling = attribute?.Handling;
}
// Priority 2: Get handling from attribute on parent class type.
handling ??= parentTypeNumberHandling;
// Priority 3: Get handling from JsonSerializerOptions instance.
if (!handling.HasValue && Options.NumberHandling != JsonNumberHandling.Strict)
{
handling = Options.NumberHandling;
}
NumberHandling = handling;
}
}
