private void ProcessDefaultValue <T>(MemberInfo memberInfo, MemberMapping <T> memberMapping, JsonSerializerOptions options)
{
DefaultValueAttribute?defaultValueAttribute = memberInfo.GetCustomAttribute <DefaultValueAttribute>();
if (defaultValueAttribute != null)
{
memberMapping.SetDefaultValue(defaultValueAttribute.Value);
}
if (memberInfo.IsDefined(typeof(JsonIgnoreIfDefaultAttribute)))
{
memberMapping.SetIgnoreIfDefault(true);
}
#if NET5_0
if (options.DefaultIgnoreCondition == JsonIgnoreCondition.WhenWritingDefault ||
options.DefaultIgnoreCondition == JsonIgnoreCondition.WhenWritingNull &&
(memberMapping.MemberType.IsClass || Nullable.GetUnderlyingType(memberMapping.MemberType) != null))
{
memberMapping.SetIgnoreIfDefault(true);
}
JsonIgnoreAttribute?jsonIgnoreAttribute = memberInfo.GetCustomAttribute <JsonIgnoreAttribute>();
if (jsonIgnoreAttribute != null)
{
if (jsonIgnoreAttribute.Condition == JsonIgnoreCondition.WhenWritingDefault ||
jsonIgnoreAttribute.Condition == JsonIgnoreCondition.WhenWritingNull &&
(memberMapping.MemberType.IsClass || Nullable.GetUnderlyingType(memberMapping.MemberType) != null))
{
memberMapping.SetIgnoreIfDefault(true);
}
}
#endif
}
private void ProcessDefaultValue <T>(MemberInfo memberInfo, MemberMapping <T> memberMapping)
{
DefaultValueAttribute?defaultValueAttribute = memberInfo.GetCustomAttribute <DefaultValueAttribute>();
if (defaultValueAttribute != null)
{
memberMapping.SetDefaultValue(defaultValueAttribute.Value);
}
DataMemberAttribute?dataMemberAttribute = memberInfo.GetCustomAttribute <DataMemberAttribute>();
if (dataMemberAttribute != null && !dataMemberAttribute.EmitDefaultValue)
{
memberMapping.SetIgnoreIfDefault(true);
}
}