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authoraled <aled@wibblr.com>2020-06-16 19:30:00 +0100
committeraled <aled@wibblr.com>2020-06-16 19:30:23 +0100
commit05f736defb9b045ace57262d19ec3691414f8bfc (patch)
treeadd6734a2275aeaa887d459153c7bab4b18ff61a /MediaBrowser.Common/Json/Converters/JsonNonStringKeyDictionaryConverterFactory.cs
parentc722ad22ece5ee7dd68b41521c2716a50364f42a (diff)
parent100e9d586dff877610c488936aa035f61f6fedb5 (diff)
Merge branch 'master' into check-stored-password-exists
# Conflicts: # Jellyfin.Server.Implementations/Users/DefaultAuthenticationProvider.cs
Diffstat (limited to 'MediaBrowser.Common/Json/Converters/JsonNonStringKeyDictionaryConverterFactory.cs')
-rw-r--r--MediaBrowser.Common/Json/Converters/JsonNonStringKeyDictionaryConverterFactory.cs59
1 files changed, 59 insertions, 0 deletions
diff --git a/MediaBrowser.Common/Json/Converters/JsonNonStringKeyDictionaryConverterFactory.cs b/MediaBrowser.Common/Json/Converters/JsonNonStringKeyDictionaryConverterFactory.cs
new file mode 100644
index 000000000..52f360740
--- /dev/null
+++ b/MediaBrowser.Common/Json/Converters/JsonNonStringKeyDictionaryConverterFactory.cs
@@ -0,0 +1,59 @@
+#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;
+ }
+ }
+}