diff --git a/MediaBrowser.Common/Json/Converters/JsonCommaDelimitedArrayConverter.cs b/MediaBrowser.Common/Json/Converters/JsonCommaDelimitedArrayConverter.cs new file mode 100644 index 0000000000..4f6a685314 --- /dev/null +++ b/MediaBrowser.Common/Json/Converters/JsonCommaDelimitedArrayConverter.cs @@ -0,0 +1,53 @@ +using System; +using System.ComponentModel; +using System.Text.Json; +using System.Text.Json.Serialization; + +namespace MediaBrowser.Common.Json.Converters +{ + /// + /// Convert comma delimited string to array of type. + /// + /// Type to convert to. + public class JsonCommaDelimitedArrayConverter : JsonConverter + { + private readonly TypeConverter _typeConverter; + + /// + /// Initializes a new instance of the class. + /// + public JsonCommaDelimitedArrayConverter() + { + _typeConverter = TypeDescriptor.GetConverter(typeof(T)); + } + + /// + public override T[] Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) + { + if (reader.TokenType == JsonTokenType.String) + { + var stringEntries = reader.GetString()?.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries); + if (stringEntries == null || stringEntries.Length == 0) + { + return Array.Empty(); + } + + var entries = new T[stringEntries.Length]; + for (var i = 0; i < stringEntries.Length; i++) + { + entries[i] = (T)_typeConverter.ConvertFrom(stringEntries[i]); + } + + return entries; + } + + return JsonSerializer.Deserialize(ref reader, options); + } + + /// + public override void Write(Utf8JsonWriter writer, T[] value, JsonSerializerOptions options) + { + JsonSerializer.Serialize(writer, value, options); + } + } +} \ No newline at end of file