60 lines
2.1 KiB
C#
60 lines
2.1 KiB
C#
#nullable enable
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.Globalization;
|
|
using System.Reflection;
|
|
using System.Text.Json;
|
|
using System.Text.Json.Serialization;
|
|
|
|
namespace MediaBrowser.Common.Json.Converters
|
|
{
|
|
/// <summary>
|
|
/// https://github.com/dotnet/runtime/issues/30524#issuecomment-524619972.
|
|
/// TODO This can be removed when System.Text.Json supports Dictionaries with non-string keys.
|
|
/// </summary>
|
|
internal sealed class JsonNonStringKeyDictionaryConverterFactory : JsonConverterFactory
|
|
{
|
|
/// <summary>
|
|
/// Only convert objects that implement IDictionary and do not have string keys.
|
|
/// </summary>
|
|
/// <param name="typeToConvert">Type convert.</param>
|
|
/// <returns>Conversion ability.</returns>
|
|
public override bool CanConvert(Type typeToConvert)
|
|
{
|
|
if (!typeToConvert.IsGenericType)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Let built in converter handle string keys
|
|
if (typeToConvert.GenericTypeArguments[0] == typeof(string))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Only support objects that implement IDictionary
|
|
return typeToConvert.GetInterface(nameof(IDictionary)) != null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create converter for generic dictionary type.
|
|
/// </summary>
|
|
/// <param name="typeToConvert">Type to convert.</param>
|
|
/// <param name="options">Json serializer options.</param>
|
|
/// <returns>JsonConverter for given type.</returns>
|
|
public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
|
|
{
|
|
var converterType = typeof(JsonNonStringKeyDictionaryConverter<,>)
|
|
.MakeGenericType(typeToConvert.GenericTypeArguments[0], typeToConvert.GenericTypeArguments[1]);
|
|
var converter = (JsonConverter)Activator.CreateInstance(
|
|
converterType,
|
|
BindingFlags.Instance | BindingFlags.Public,
|
|
null,
|
|
null,
|
|
CultureInfo.CurrentCulture);
|
|
return converter;
|
|
}
|
|
}
|
|
}
|