custom as3 class 04 by Dinesh?

Question

package gpslab.com.facers{
    import flash.display.*;
    import flash.events.*;
    import flash.net.*;

    import gpslab.com.facers.resource.ApplicationConst;
    import gpslab.com.facers.resource.ApplicationDTO;
    import gpslab.com.facers.resource.EventConst;
    import gpslab.com.facers.xmlLoader.XMLDispatcher;

    import br.com.stimuli.loading.BulkLoader;
    import br.com.stimuli.loading.BulkProgressEvent;

    public class Main extends Sprite {
        protected var xmlDespatch:XMLDispatcher;
        protected var uiEnvironment:UIEnvironment;

        protected var bulkInstance:BulkLoader;

        private var imageArray:Array;

        public function Main() {
            trace("START APPLICATION");

            ApplicationDTO.ApplicationHeight=stage.stageHeight;
            ApplicationDTO.ApplicationWidth=stage.stageWidth;
            ApplicationDTO.ApplicationStage=stage;

            xmlDespatch=XMLDispatcher.getinstance();

            xmlDespatch.configDispatcher(ApplicationConst.XML_FILE_PATH);
            xmlDespatch.addEventListener(EventConst.COMPLETE, onXMLReady);
        }
        protected function onXMLReady(event:Event):void {
            ApplicationDTO.BackDrop = xmlDespatch.Backdrop;
            ApplicationDTO.Style = xmlDespatch.Style;
            ApplicationDTO.TeamArray = xmlDespatch.TeamArray;
            ApplicationDTO.StaffArray = xmlDespatch.StaffArray;

            uiEnvironment = UIEnvironment.getinstance();

            /*imageArray = new Array();
            bulkInstance = new BulkLoader("bulkInstance");
            bulkInstance.addEventListener(EventConst.COMPLETE, onImagesReady);
            bulkInstance.addEventListener(EventConst.PROGRESS, onImageProgress);
            bulkInstance.start();
            for (var n:int=0; n<xmlDespatch.StaffArray.length; n++) {
            bulkInstance.add(ApplicationConst.STAFF_IMAGE_THUMB_FOLDER_PATH + xmlDespatch.StaffArray[n][6]);
            imageArray.push(ApplicationConst.STAFF_IMAGE_THUMB_FOLDER_PATH + xmlDespatch.StaffArray[n][6]);
            }*/
        }
        /*protected function onImagesReady(event:Event):void {
        for (var i:int=0; i<imageArray.length; i++) {
        //trace(imageArray[i]+" : "+i);
        var newBitmap:Bitmap = new Bitmap(bulkInstance.getBitmapData(imageArray[i]));
        newBitmap.x=stage.stageWidth/2;
        newBitmap.y=stage.stageHeight/2;
        addChild(newBitmap);
        }
        }
        protected function onImageProgress(event:Event):void {
        //trace(event.target.bytesLoaded);
        }*/
    }
}

package gpslab.com.facers{
    import flash.display.*;
    import flash.events.*;
    import gpslab.com.facers.resource.ApplicationDTO;

    public class UIEnvironment extends Sprite {
        private static var instance:UIEnvironment;

        public static function getinstance() {
            if (instance!=null) {
                return instance;
            } else {
                instance = new UIEnvironment();
                return instance;
            }
        }

        public function UIEnvironment() {
            trace(ApplicationDTO.StaffArray.length);
        }
    }
}




package gpslab.com.facers.resource{

    public class EventConst {
        public static  const PROGRESS:String = "progress";
        public static  const COMPLETE:String = "complete";
    }
}

package gpslab.com.facers.resource{

    public class ApplicationConst {
        public static  const XML_FILE_PATH:String = "xmlData/staff_profiles.xml";
        public static  const APPLICATION_IMAGE_FOLDER_PATH:String = "images/appImages/";
        public static  const STAFF_IMAGE_THUMB_FOLDER_PATH:String = "images/staff/thumb/";
        public static  const STAFF_PROFILE_IMAGE_FOLDER_PATH:String = "images/staff/profile/";
    }
}

package gpslab.com.facers.resource{
    public class ApplicationDTO {
        public static  var ApplicationHeight:Number;
        public static  var ApplicationWidth:Number;
        public static  var ApplicationStage:*;
        public static  var BackDrop:String;
        public static  var Style:String;
        public static  var StaffArray:Array;
        public static  var TeamArray:Array;
    }
}