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Load Multiple XML Files

/ Published in: ActionScript 3
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  1. package{
  2. 	//net
  3. 	import flash.net.URLLoader;
  4. 	import flash.net.URLRequest;
  5. 	//events
  6. 	import flash.events.Event;
  7. 	import flash.events.EventDispatcher;
  8.  
  9. 	public class XMLLoader extends EventDispatcher{
  10.  
  11. 		private var _URLLoader:URLLoader;
  12. 		private var _URLRequest:URLRequest;
  13. 		private var _XMLFiles:Array;
  14. 		private var _XML:XML;
  15. 		private var _XMLFilesPointer:int = 0;
  16. 		//private var _XMLPath:String = "xml/vday-music.xml";
  17.  
  18. 		//Custom Dispatchers
  19. 		public static var MUSIC_XML_LOADED:String = "music_xml_loaded";
  20. 		public static var VIDEO_XML_LOADED:String = "video_xml_loaded";
  21.  
  22. 		public function XMLLoader():void{
  23. 			_XMLFiles = new Array('xml/vday-music.xml','xml/vday-video.xml');
  24. 			_XML = new XML("<playlist></playlist>");
  25. 		}//end of constructor
  26.  
  27. 		public function loadXML():void{
  28. 			_URLLoader = new URLLoader();				
  29. 			_URLRequest = new URLRequest(_XMLFiles[_XMLFilesPointer]);
  30.  
  31. 			_URLLoader.addEventListener(Event.COMPLETE, xmlLoadComplete);
  32. 			_URLLoader.load(_URLRequest);
  33. 		}
  34.  
  35.  
  36. 		//Event Handlers
  37. 		private function xmlLoadComplete(e:Event):void{
  38. 			_URLLoader.removeEventListener(Event.COMPLETE, xmlLoadComplete);
  39.  
  40. 			var xml = XML(e.target.data);
  41. 			//distinguish between both xml types
  42. 			if(xml.song != undefined){//if song node exists, then it is music xml
  43. 				_XML.appendChild(xml.song);
  44. 				dispatchEvent(new Event(XMLLoader.MUSIC_XML_LOADED));
  45. 			}
  46. 			if(xml.video != undefined){//if video node exists, then it is video xml
  47. 				_XML.appendChild(xml.video);
  48. 				dispatchEvent(new Event(XMLLoader.VIDEO_XML_LOADED));			
  49. 			}
  50. 			_XMLFilesPointer++;
  51. 			if(_XMLFilesPointer < _XMLFiles.length)
  52. 				loadXML();
  53. 		}
  54.  
  55. 		public function get XMLData():XML {
  56. 			return _XML;
  57. 		}
  58.  
  59. 	}
  60. }

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