jellyfin/MediaBrowser.Common/Json/Converters/JsonNullableGuidConverter.cs
2020-12-29 16:08:16 -07:00

34 lines
1009 B
C#

using System;
using System.Globalization;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace MediaBrowser.Common.Json.Converters
{
/// <summary>
/// Converts a GUID object or value to/from JSON.
/// </summary>
public class JsonNullableGuidConverter : JsonConverter<Guid?>
{
/// <inheritdoc />
public override Guid? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
var guidStr = reader.GetString();
return guidStr == null ? null : new Guid(guidStr);
}
/// <inheritdoc />
public override void Write(Utf8JsonWriter writer, Guid? value, JsonSerializerOptions options)
{
if (value == null || value == Guid.Empty)
{
writer.WriteNullValue();
}
else
{
writer.WriteStringValue(value.Value.ToString("N", CultureInfo.InvariantCulture));
}
}
}
}