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AS3 Load and access JSON data example

/ Published in: ActionScript 3
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For this to work you need the as3corelib classes from here ... https://github.com/mikechambers/as3corelib

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  1. package 
  2. {
  3. 	import flash.display.Sprite;
  4. 	import flash.events.Event;
  5. 	import flash.net.URLLoader;
  6. 	import flash.net.URLRequest;
  7.  
  8. 	import com.adobe.serialization.json.JSON;
  9.  
  10.  
  11. 	public class Main extends Sprite 
  12. 	{
  13.  
  14. 		private var _jsonPath:String = "json_example.txt";
  15.  
  16. 		public function Main():void 
  17. 		{
  18. 			if (stage) init();
  19. 			else addEventListener(Event.ADDED_TO_STAGE, init);
  20. 		}
  21.  
  22. 		private function init(e:Event = null):void 
  23. 		{
  24. 			removeEventListener(Event.ADDED_TO_STAGE, init);
  25.  
  26. 			var loader:URLLoader = new URLLoader();
  27. 			var request:URLRequest = new URLRequest();
  28. 			request.url = _jsonPath;
  29. 			loader.addEventListener(Event.COMPLETE, onLoaderComplete);
  30. 			loader.load(request);
  31. 		}
  32.  
  33.  
  34. 		private function onLoaderComplete(e:Event):void 
  35. 		{
  36. 			var loader:URLLoader = URLLoader(e.target);
  37. 			var jsonArray:Array = JSON.decode(loader.data);
  38.  
  39. 			trace("loader.data: " + loader.data);
  40.  
  41. 			trace(jsonArray[0].Id);
  42. 			// 7
  43.  
  44. 			trace(jsonArray[0].Mentions[0].Id);
  45. 			// 5
  46.  
  47. 			trace(jsonArray[0].Mentions[0].StatusId);
  48. 			// 34
  49.  
  50. 			trace(jsonArray[0].Mentions[0].CreatedDateTime);
  51. 			// /Date(1310051914617+0100)/
  52.  
  53. 			trace(jsonArray[0].Mentions[0].Text);
  54. 			// Text
  55.  
  56. 			trace(jsonArray[0].Mentions[0].UserName);
  57. 			// Username
  58.  
  59. 			trace(jsonArray[0].Mentions[0].UserLocation);
  60. 			// UK
  61.  
  62. 			trace(jsonArray[0].Mentions[0].UserLanguage);
  63. 			// en-GB
  64.  
  65. 			trace(jsonArray[0].Mentions[0].IsCheckIn);
  66. 			// true
  67.  
  68. 			trace(jsonArray[0].Tips[0].Id);
  69. 			// 5
  70.  
  71. 			trace(jsonArray[0].Tips[0].FourSquareId);
  72. 			// 7e06c4b2-1fb5-4f35-9619-c99a384f5ae7
  73.  
  74. 			trace(jsonArray[0].Tips[0].CreatedAt);
  75. 			// /Date(1310051914636+0100)/
  76.  
  77. 			trace(jsonArray[0].Tips[0].Text);
  78. 			// Text
  79.  
  80. 			trace(jsonArray[0].Tips[0].Username);
  81. 			// Username
  82.  
  83. 			trace(jsonArray[0].Checkins);
  84. 			// 0
  85.  
  86. 			trace(jsonArray[0].HereNow);
  87. 			// 0
  88.  
  89. 			trace(jsonArray[0].TimeStamp);
  90. 			// /Date(1310051914639+0100)/
  91.  
  92. 			trace(jsonArray[0].Venue.Id);
  93. 			// 7
  94.  
  95. 			trace(jsonArray[0].Venue.FoursquareId);
  96. 			// cacbf3bd-f0aa-403d-9f9b-2056b4985ba1
  97.  
  98. 			trace(jsonArray[0].Venue.Name);
  99. 			// Venue Name
  100.  
  101. 		}
  102.  
  103. 	}
  104. }
  105.  
  106.  
  107.  
  108. ////////////////////////////////////////////////////////
  109. // Here is the contents of the 'json_example.txt' file
  110. ////////////////////////////////////////////////////////
  111. /*
  112.  
  113. [
  114.   {
  115.     "Id": 7,
  116.     "Mentions": [
  117.       {
  118.         "Id": 5,
  119.         "StatusId": 34,
  120.         "CreatedDateTime": "\/Date(1310051914617+0100)\/",
  121.         "Text": "Text",
  122.         "UserName": "Username",
  123.         "UserLocation": "UK",
  124.         "UserLanguage": "en-GB",
  125.         "IsCheckIn": "true" 
  126.       }
  127.     ],
  128.     "Tips": [
  129.       {
  130.         "Id": 5,
  131.         "FourSquareId": "7e06c4b2-1fb5-4f35-9619-c99a384f5ae7",
  132.         "CreatedAt": "\/Date(1310051914636+0100)\/",
  133.         "Text": "Text",
  134.         "Username": "Username"
  135.       }
  136.     ],
  137.     "Checkins": 0,
  138.     "HereNow": 0,
  139.     "TimeStamp": "\/Date(1310051914639+0100)\/",
  140.     "Venue": {
  141.       "Id": 7,
  142.       "FoursquareId": "cacbf3bd-f0aa-403d-9f9b-2056b4985ba1",
  143.       "Name": "Venue Name"
  144.     }
  145.   }
  146. ]
  147.  
  148. */

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