using System;
using System.IO;
using Newtonsoft.Json;

public class DirectoryInfoJsonConverter : JsonConverter
{
	public override bool CanConvert(Type objectType)
	{
		return objectType == typeof(DirectoryInfo);
	}

	public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
	{
		if (reader.Value is string s)
		{
			return new DirectoryInfo(s);
		}
		throw new ArgumentOutOfRangeException(nameof(reader));
	}

	public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
	{
		if (!(value is DirectoryInfo directoryInfo))
		{
			throw new ArgumentOutOfRangeException(nameof(value));
		}
		writer.WriteValue(directoryInfo.FullName);
	}
}