src/OneBeyond.Studio.Crosscuts/3rdParty/SmartEnum.JsonNet/SmartEnumValueConverter.cs
namespace Ardalis.SmartEnum.JsonNet;
using System;
using Newtonsoft.Json;
/// <summary>
/// </summary>
/// <typeparam name="TEnum"></typeparam>
/// <typeparam name="TValue"></typeparam>
public class SmartEnumValueConverter<TEnum, TValue> : JsonConverter<TEnum>
where TEnum : SmartEnum<TEnum, TValue>
where TValue : struct, IEquatable<TValue>, IComparable<TValue>
{
/// <summary>
/// </summary>
public override bool CanRead => true;
/// <summary>
/// </summary>
public override bool CanWrite => true;
/// <summary>
/// </summary>
/// <param name="reader"></param>
/// <param name="objectType"></param>
/// <param name="existingValue"></param>
/// <param name="hasExistingValue"></param>
/// <param name="serializer"></param>
/// <returns></returns>
public override TEnum ReadJson(JsonReader reader, Type objectType, TEnum? existingValue, bool hasExistingValue, JsonSerializer serializer)
{
try
{
TValue value;
if (reader.TokenType == JsonToken.Integer && typeof(TValue) != typeof(long) && typeof(TValue) != typeof(bool))
{
value = (TValue)Convert.ChangeType(reader.Value, typeof(TValue))!;
}
else
{
value = (TValue)reader.Value!;
}
return SmartEnum<TEnum, TValue>.FromValue(value);
}
catch (Exception ex)
{
throw new JsonSerializationException($"Error converting {reader.Value ?? "Null"} to {objectType.Name}.", ex);
}
}
/// <summary>
/// </summary>
/// <param name="writer"></param>
/// <param name="value"></param>
/// <param name="serializer"></param>
public override void WriteJson(JsonWriter writer, TEnum? value, JsonSerializer serializer)
{
if (value is null)
{
writer.WriteNull();
}
else
{
writer.WriteValue(value.Value);
}
}
}