JsonStringEnumConverter
Converts enumeration values to and from strings.
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Text.Json.Serialization.Converters;
namespace System.Text.Json.Serialization
{
[System.Runtime.CompilerServices.NullableContext(1)]
[System.Runtime.CompilerServices.Nullable(0)]
public sealed class JsonStringEnumConverter : JsonConverterFactory
{
private readonly JsonNamingPolicy _namingPolicy;
private readonly EnumConverterOptions _converterOptions;
public JsonStringEnumConverter()
: this(null, true)
{
}
[System.Runtime.CompilerServices.NullableContext(2)]
public JsonStringEnumConverter(JsonNamingPolicy namingPolicy = null, bool allowIntegerValues = true)
{
_namingPolicy = namingPolicy;
_converterOptions = ((!allowIntegerValues) ? EnumConverterOptions.AllowStrings : (EnumConverterOptions.AllowStrings | EnumConverterOptions.AllowNumbers));
}
public override bool CanConvert(Type typeToConvert)
{
return typeToConvert.IsEnum;
}
public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
{
return (JsonConverter)Activator.CreateInstance(typeof(EnumConverter<>).MakeGenericType(typeToConvert), BindingFlags.Instance | BindingFlags.Public, null, new object[3] {
_converterOptions,
_namingPolicy,
options
}, null);
}
}
}