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jellyfin/src/Jellyfin.Extensions/Json/Converters/JsonDefaultStringEnumConver...

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using System;
using System.ComponentModel;
using System.Reflection;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace Jellyfin.Extensions.Json.Converters;
/// <summary>
/// Utilizes the JsonStringEnumConverter and sets a default value if not provided.
/// </summary>
public class JsonDefaultStringEnumConverterFactory : JsonConverterFactory
{
private static readonly JsonStringEnumConverter _baseConverterFactory = new();
/// <inheritdoc />
public override bool CanConvert(Type typeToConvert)
{
return _baseConverterFactory.CanConvert(typeToConvert)
&& typeToConvert.IsDefined(typeof(DefaultValueAttribute));
}
/// <inheritdoc />
public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
{
var baseConverter = _baseConverterFactory.CreateConverter(typeToConvert, options);
var converterType = typeof(JsonDefaultStringEnumConverter<>).MakeGenericType(typeToConvert);
return (JsonConverter?)Activator.CreateInstance(converterType, baseConverter);
}
}