jsonDemo_SnakeCaseContractResolver

jsonDemo_SnakeCaseContractResolver.cs

    public class SnakeCaseContractResolver : DefaultContractResolver
    {
        private const string SnakeDelimiter = "_";
        protected override IList<JsonProperty> CreateProperties(System.Type type, MemberSerialization memberSerialization)
            => base.CreateProperties(type, memberSerialization).Select(ConvertSnakeCasePropertyName).ToList();

        private static JsonProperty ConvertSnakeCasePropertyName(JsonProperty p)
        {
            var target = p.PropertyName;

            p.PropertyName = (target.Substring(0, 1) +
                              string.Concat(target.ToCharArray(1, target.Length - 1).Select(c => char.IsUpper(c) ? SnakeDelimiter + c.ToString() : c.ToString()))
                             ).ToLower();
            return p;
        }
    }