43 lines
1.4 KiB
Dart
43 lines
1.4 KiB
Dart
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import 'dart:convert';
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abstract class SerializerDeserializer<T> {
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T deserialize(dynamic json);
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Map<String, dynamic> serialize();
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}
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Map<String, List<T>> fromMapListJson<T extends SerializerDeserializer>(Map<String, dynamic> j, SerializerDeserializer ref) {
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var map = <String, List<T>>{};
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for (var key in j.keys) {
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if(j[key] != null) { map[key] = fromListJson(j[key], ref); }
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}
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return map;
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}
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Map<String, T> fromMapJson<T extends SerializerDeserializer>(Map<String, dynamic> j, SerializerDeserializer ref) {
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var map = <String, T>{};
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for (var key in j.keys) {
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if(j[key] != null) { map[key] = ref.deserialize(json.decode(json.encode(j[key]))); }
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}
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return map;
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}
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List<T> fromListJson<T extends SerializerDeserializer>(List<dynamic> jss, SerializerDeserializer ref) {
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var list = <T>[];
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for (var js in jss) { list.add(ref.deserialize(json.decode(json.encode(js)))); }
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return list;
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}
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Map<String, Map<String, dynamic>> toMapJson<T extends SerializerDeserializer>(Map<String, T> json) {
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var map = <String, Map<String, dynamic>>{};
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for (var key in json.keys) {
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if(json[key] != null) { map[key] = json[key]!.serialize(); }
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}
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return map;
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}
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List<Map<String, dynamic>> toListJson<T extends SerializerDeserializer>(List<T> obj) {
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var list = <Map<String, dynamic>>[];
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for (var js in obj) { list.add(js.serialize()); }
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return list;
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}
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