flutter-sport/lib/services/Converter.dart

import 'package:sport/bean/UpdateInfo.dart';
import 'package:sport/bean/comment.dart';
import 'package:sport/bean/comment_post.dart';
import 'package:sport/bean/forum.dart';
import 'package:sport/bean/game.dart';
import 'package:sport/bean/game_record.dart';
import 'package:sport/bean/game_record_sum.dart';
import 'package:sport/bean/image.dart';
import 'package:sport/bean/message.dart';
import 'package:sport/bean/notice.dart';
import 'package:sport/bean/post.dart';
import 'package:sport/bean/post_user.dart';
import 'package:sport/bean/rank_game_info.dart';
import 'package:sport/bean/rank_info.dart';
import 'package:sport/bean/share_info.dart';
import 'package:sport/bean/sport_detail.dart';
import 'package:sport/bean/sport_index.dart';
import 'package:sport/bean/sport_step.dart';
import 'package:sport/bean/sport_target.dart';
import 'package:sport/bean/sport_target_index.dart';
import 'package:sport/bean/sport_target_record.dart';
import 'package:sport/bean/sport_target_today.dart';
import 'package:sport/bean/user_friend.dart';
import 'package:sport/bean/user_info.dart';

class Converter {
  static T fromJson<T>(json) {
    if (json == null) return null;
    var name = T.toString();
    switch (name) {
      case "UserInfo":
        return UserInfo.fromJson(json) as T;
      case "RankInfo":
        return RankInfo.fromJson(json) as T;
      case "Forum":
        return Forum.fromJson(json) as T;
      case "Image":
        return Image.fromJson(json) as T;
      case "Post":
        return Post.fromJson(json) as T;
      case "Comment":
        return Comment.fromJson(json) as T;
      case "CommentPost":
        return CommentPost.fromJson(json) as T;
      case "PostUser":
        return PostUser.fromJson(json) as T;
      case "SportIndex":
        return SportIndex.fromJson(json) as T;
      case "SportTarget":
        return SportTarget.fromJson(json) as T;
      case "SportTargetToday":
        return SportTargetToday.fromJson(json) as T;
      case "SportTargetIndex":
        return SportTargetIndex.fromJson(json) as T;
      case "SportTargetRecord":
        return SportTargetRecord.fromJson(json) as T;
      case "GameRecordSum":
        return GameRecordSum.fromJson(json) as T;
      case "GameRecord":
        return GameRecord.fromJson(json) as T;
      case "SportDetail":
        return SportDetail.fromJson(json) as T;
      case "SportDetailSimple":
        return SportDetailSimple.fromJson(json) as T;
      case "RecordsTodaySum":
        return RecordsTodaySum.fromJson(json) as T;
      case "Notice":
        return Notice.fromJson(json) as T;
      case "UserFriend":
        return UserFriend.fromJson(json) as T;
      case "GameInfoData":
        return GameInfoData.fromJson(json) as T;
      case "RankInfoData":
        return RankInfoData.fromJson(json) as T;
      case "RankGameInfoData":
        return RankGameInfoData.fromJson(json) as T;
      case "UpdateInfo":
        return UpdateInfo.fromJson(json) as T;
      case "SportStep":
        return SportStep.fromJson(json) as T;
      case "Message":
        return Message.fromJson(json) as T;
      case "NewFriend":
        return NewFriend.fromJson(json) as T;
      case "MessageInstance":
        return MessageInstance.fromJson(json) as T;
      case "ChatMessageInstance":
        return ChatMessageInstance.fromJson(json) as T;
      case "ChatOnlineInfo":
        return ChatOnlineInfo.fromJson(json) as T;
      case "MessageUser":
        return MessageUser.fromJson(json) as T;
      case "MessagePostUser":
        return MessagePostUser.fromJson(json) as T;
      case "ShareInfo":
        return ShareInfo.fromJson(json) as T;
      case "Share":
        return Share.fromJson(json) as T;
    }
    return json as T;
  }

  static double toDouble(dynamic num) {
    if (num == null) return 0.0;
    return (num is int) ? num.toDouble() : (num is String) ? double.parse(num) : num;
  }

  static int toInt(dynamic num) {
    if (num == null) return 0;
    if (num is String) {
      try {
        return int.parse(num);
      } catch (e) {
        return 0;
      }
    } else {
      return num;
    }
  }
}