// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'package:json_annotation/json_annotation.dart';
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class GenericConverter<T> implements JsonConverter<T, Map<String, dynamic>> {
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const GenericConverter();
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@override
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T fromJson(Map<String, dynamic> json) => null;
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@override
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Map<String, dynamic> toJson(T object) => {};
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}
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class TrivialNumber {
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final int value;
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TrivialNumber(this.value);
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}
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class TrivialNumberConverter implements JsonConverter<TrivialNumber, int> {
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static const instance = TrivialNumberConverter();
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const TrivialNumberConverter();
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@override
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TrivialNumber fromJson(int json) => TrivialNumber(json);
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@override
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int toJson(TrivialNumber object) => object.value;
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}
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class BigIntStringConverter implements JsonConverter<BigInt, String> {
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const BigIntStringConverter();
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@override
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BigInt fromJson(String json) => BigInt.parse(json);
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@override
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String toJson(BigInt object) => object.toString();
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}
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const durationConverter = DurationMillisecondConverter();
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class DurationMillisecondConverter implements JsonConverter<Duration, int> {
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const DurationMillisecondConverter();
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@override
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Duration fromJson(int json) => Duration(milliseconds: json);
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@override
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int toJson(Duration object) => object.inMilliseconds;
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}
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class EpochDateTimeConverter implements JsonConverter<DateTime, int> {
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const EpochDateTimeConverter();
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@override
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DateTime fromJson(int json) => DateTime.fromMillisecondsSinceEpoch(json);
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@override
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int toJson(DateTime object) => object.millisecondsSinceEpoch;
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}
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