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