Dart

Iterate over JSON Array containing JSON Objects

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Demonstrates how to load a JSON array and iterate over the JSON objects. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // Loads the following JSON array and iterates over the objects:
  // 
  // [
  // {"tagId":95,"tagDescription":"hola 1","isPublic":true},
  // {"tagId":98,"tagDescription":"hola 1","isPublic":true},
  // {"tagId":101,"tagDescription":"hola 1","isPublic":true},
  // {"tagId":104,"tagDescription":"hola 1","isPublic":true},
  // {"tagId":107,"tagDescription":"hola 1","isPublic":true},
  // {"tagId":110,"tagDescription":"hola 1","isPublic":true},
  // {"tagId":113,"tagDescription":"hola 1","isPublic":true},
  // {"tagId":114,"tagDescription":"hola 2","isPublic":true},
  // {"tagId":111,"tagDescription":"hola 2","isPublic":true},
  // {"tagId":108,"tagDescription":"hola 2","isPublic":true},
  // {"tagId":105,"tagDescription":"hola 2","isPublic":true},
  // {"tagId":102,"tagDescription":"hola 2","isPublic":true},
  // {"tagId":99,"tagDescription":"hola 2","isPublic":true},
  // {"tagId":96,"tagDescription":"hola 2","isPublic":true},
  // {"tagId":97,"tagDescription":"hola 3","isPublic":true},
  // {"tagId":100,"tagDescription":"hola 3","isPublic":true},
  // {"tagId":103,"tagDescription":"hola 3","isPublic":true},
  // {"tagId":106,"tagDescription":"hola 3","isPublic":true},
  // {"tagId":109,"tagDescription":"hola 3","isPublic":true},
  // {"tagId":112,"tagDescription":"hola 3","isPublic":true},
  // {"tagId":115,"tagDescription":"hola 3","isPublic":true},
  // {"tagId":93,"tagDescription":"new tag","isPublic":true},
  // {"tagId":94,"tagDescription":"new tag","isPublic":true},
  // {"tagId":89,"tagDescription":"tag 1","isPublic":true},
  // {"tagId":90,"tagDescription":"tag 2","isPublic":true},
  // {"tagId":91,"tagDescription":"tag private 1","isPublic":false},
  // {"tagId":92,"tagDescription":"tag private 2","isPublic":false}
  // ]

  // Load a file containing the above JSON..
  final sbJsonArray = CkStringBuilder();
  sbJsonArray.loadFile('qa_data/json/arraySample.json', 'utf-8');

  final arr = CkJsonArray();
  arr.loadSb(sbJsonArray);

  var tagId = 0;
  var tagDescription = '';
  var isPublic = false;

  var i = 0;
  final count = arr.size;
  while (i < count) {
    final obj = arr.objectAt(i);
    tagId = obj.intOf('tagId');
    tagDescription = obj.stringOf('tagDescription');
    isPublic = obj.boolOf('isPublic');

    print('tagId: $tagId');
    print('tagDescription: $tagDescription');
    print('isPublic: $isPublic');
    print('--');

    i++;
  }
}