using System.Runtime.CompilerServices; namespace System.Text.Json.Serialization { [System.Runtime.CompilerServices.NullableContext(2)] [System.Runtime.CompilerServices.Nullable(0)] public abstract class JsonConverterFactory : JsonConverter { internal sealed override Type KeyType => null; internal sealed override Type ElementType => null; public sealed override Type Type => null; private protected override ConverterStrategy GetDefaultConverterStrategy() { return ConverterStrategy.None; } [System.Runtime.CompilerServices.NullableContext(1)] [return: System.Runtime.CompilerServices.Nullable(2)] public abstract JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options); internal JsonConverter GetConverterInternal(Type typeToConvert, JsonSerializerOptions options) { JsonConverter jsonConverter = CreateConverter(typeToConvert, options); if (jsonConverter != null) { if (jsonConverter is JsonConverterFactory) ThrowHelper.ThrowInvalidOperationException_SerializerConverterFactoryReturnsJsonConverterFactorty(GetType()); } else ThrowHelper.ThrowInvalidOperationException_SerializerConverterFactoryReturnsNull(GetType()); return jsonConverter; } internal sealed override object ReadAsObject(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) { throw new InvalidOperationException(); } internal sealed override bool OnTryReadAsObject(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options, [System.Runtime.CompilerServices.ScopedRef] ref ReadStack state, out object value) { throw new InvalidOperationException(); } internal sealed override bool TryReadAsObject(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options, [System.Runtime.CompilerServices.ScopedRef] ref ReadStack state, out object value) { throw new InvalidOperationException(); } internal sealed override object ReadAsPropertyNameAsObject(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) { throw new InvalidOperationException(); } internal sealed override object ReadAsPropertyNameCoreAsObject(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) { throw new InvalidOperationException(); } internal sealed override object ReadNumberWithCustomHandlingAsObject(ref Utf8JsonReader reader, JsonNumberHandling handling, JsonSerializerOptions options) { throw new InvalidOperationException(); } internal sealed override void WriteAsObject(Utf8JsonWriter writer, object value, JsonSerializerOptions options) { throw new InvalidOperationException(); } internal sealed override bool OnTryWriteAsObject(Utf8JsonWriter writer, object value, JsonSerializerOptions options, ref WriteStack state) { throw new InvalidOperationException(); } internal sealed override bool TryWriteAsObject(Utf8JsonWriter writer, object value, JsonSerializerOptions options, ref WriteStack state) { throw new InvalidOperationException(); } internal sealed override void WriteAsPropertyNameAsObject(Utf8JsonWriter writer, object value, JsonSerializerOptions options) { throw new InvalidOperationException(); } internal sealed override void WriteAsPropertyNameCoreAsObject(Utf8JsonWriter writer, object value, JsonSerializerOptions options, bool isWritingExtensionDataProperty) { throw new InvalidOperationException(); } internal sealed override void WriteNumberWithCustomHandlingAsObject(Utf8JsonWriter writer, object value, JsonNumberHandling handling) { throw new InvalidOperationException(); } } }