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PureMVC XML DataProxy Class Template

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  1. /**
  2.  * Base PureMVC Project
  3.  */
  4. package model
  5. {
  6.     import flash.events.Event;
  7.     import flash.net.URLLoader;
  8.     import flash.net.URLRequest;
  9.  
  10.     import org.puremvc.as3.interfaces.IProxy;
  11.     import org.puremvc.as3.patterns.proxy.Proxy;
  12.  
  13. 	import ApplicationFacade;
  14.  
  15.     public class DataProxy extends Proxy implements IProxy
  16.     {
  17.         public static const NAME:String = "DataProxy";
  18.  
  19.         public function DataProxy()
  20.         {
  21. 			trace ("DataProxy instantiated");
  22.         	/**
  23.         	 * Here, we initialize DataProxy with a var named "data" 
  24.         	 * of type Object(), a built-in property of the Proxy class. 
  25.         	 * This var will be used for storing data retrieved from the xml document.
  26.         	 */
  27.             super( NAME, new Object() );
  28.  
  29.             var loader:URLLoader = new URLLoader();
  30.             loader.addEventListener( Event.COMPLETE, onDataLoaded );
  31. 			loader.load( new URLRequest( "data.xml" ) );
  32.  
  33.         }
  34.  
  35. 		private function onDataLoaded( evt:Event ):void
  36. 		{
  37. 			trace ("DataProxy.onDataLoaded()");
  38.  
  39. 			var xml:XML = new XML( evt.target.data );
  40. 			xml.ignoreWhitespace = true;
  41.  
  42.  
  43. 			/**
  44. 			 * When DataProxy is done loading and parsing data, it 
  45. 			 * sends an INITIALIZE_SITE notification back to the framework.
  46. 			 */
  47. 			sendNotification( ApplicationFacade.INITIALIZE_SITE );
  48. 		}		
  49.     }
  50. }

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