Files
pgsql-jellyfin/src/Jellyfin.Extensions/Json/Converters/JsonPipeDelimitedCollectionConverterFactory.cs
T

38 lines
1.6 KiB
C#

// <copyright file="JsonPipeDelimitedCollectionConverterFactory.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>
namespace Jellyfin.Extensions.Json.Converters
{
using System;
using System.Collections.Generic;
using System.Text.Json;
using System.Text.Json.Serialization;
/// <summary>
/// Json Pipe delimited collection converter factory.
/// </summary>
/// <remarks>
/// This must be applied as an attribute, adding to the JsonConverter list causes stack overflow.
/// </remarks>
public class JsonPipeDelimitedCollectionConverterFactory : JsonConverterFactory
{
/// <inheritdoc />
public override bool CanConvert(Type typeToConvert)
{
ArgumentNullException.ThrowIfNull(typeToConvert);
return typeToConvert.IsArray
|| (typeToConvert.IsGenericType
&& (typeToConvert.GetGenericTypeDefinition().IsAssignableFrom(typeof(IReadOnlyCollection<>)) || typeToConvert.GetGenericTypeDefinition().IsAssignableFrom(typeof(IReadOnlyList<>))));
}
/// <inheritdoc />
public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
{
ArgumentNullException.ThrowIfNull(typeToConvert);
var structType = typeToConvert.GetElementType() ?? typeToConvert.GenericTypeArguments[0];
return (JsonConverter?)Activator.CreateInstance(typeof(JsonPipeDelimitedCollectionConverter<>).MakeGenericType(structType));
}
}
}