flash.net.URLLoader class decompiled from Flash 10 playerglobal.swc

URLLoader.as

//Created by Action Script Viewer - http://www.buraks.com/asv
package flash.net {
    import flash.events.*;
    import flash.utils.*;

    public class URLLoader extends EventDispatcher {

        private var stream:URLStream;
        public var dataFormat:String;// = "text"
        public var data;
        public var bytesLoaded:uint;// = 0
        public var bytesTotal:uint;// = 0

        public function URLLoader(request:URLRequest=null){
            super();
            this.stream = new URLStream();
            this.stream.addEventListener(Event.OPEN, this.redirectEvent);
            this.stream.addEventListener(IOErrorEvent.IO_ERROR, this.onComplete);
            this.stream.addEventListener(SecurityErrorEvent.SECURITY_ERROR, this.redirectEvent);
            this.stream.addEventListener(HTTPStatusEvent.HTTP_STATUS, this.redirectEvent);
            this.stream.addEventListener(ProgressEvent.PROGRESS, this.onProgress);
            this.stream.addEventListener(Event.COMPLETE, this.onComplete);
            if (request != null){
                this.load(request);
            };
        }
        public function load(request:URLRequest):void{
            this.stream.load(request);
        }
        private function onProgress(event:ProgressEvent):void{
            this.bytesLoaded = event.bytesLoaded;
            this.bytesTotal = event.bytesTotal;
            dispatchEvent(event);
        }
        public function close():void{
            this.stream.close();
        }
        private function redirectEvent(event:Event):void{
            dispatchEvent(event);
        }
        private function onComplete(event:Event):void{
            var bytes:ByteArray = new ByteArray();
            this.stream.readBytes(bytes);
            switch (this.dataFormat){
                case "binary":
                    this.data = bytes;
                    break;
                case "variables":
                    if (bytes.length > 0){
                        this.data = new URLVariables(bytes.toString());
                        break;
                    };
                case "text":
                default:
                    this.data = bytes.toString();
                    break;
            };
            dispatchEvent(event);
        }

    }
}//package flash.net 

Thanks for the useful share. Couldn't believe flash.net.URLLoader does not provide access to the source url, but searching for a remedy led me here. :)