[AS3] Downloader class

/*
 * This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.
 * http://creativecommons.org/licenses/by-nc-sa/3.0/
 */
 
package	hangunsworld.util{
 
	import	flash.net.FileReference;
	import	flash.net.URLRequest;
	import	flash.display.DisplayObject;
 
	/*
	 * Downloader
	 * Downloader class allows you to download a file easily.
	 *
	 * @author: Han Sanghun (http://hangunsworld.com/blog)
	 * @last modified: 2007-03-23
	 * @language version: ActionScript 3.0
	 */
 
	public class Downloader{
 
		private var file:FileReference;
		private var req:URLRequest;
 
		/*
		 * Downloader Constructor
		 */
		public function Downloader(){
			file = new FileReference();
			req = new URLRequest();
		}
 
		/*
		 * downloadSWF
		 * Download an SWF file that contains the provided DisplayObject.
		 * @param obj A DisplayObject to download.
		 */
		public function downloadSWF(obj:DisplayObject):void{
			req.url = obj.loaderInfo.url;
			file.download(req);
		}
 
		/*
		 * downloadURL
		 * Download a specific file.
		 * @param url An URL of a file to be downloaded.
		 */
		public function downloadURL(url:String):void{
			req.url = url;
			file.download(req);
		}
 
	}
 
}

import hangunsworld.util.Downloader;
 
var dw:Downloader = new Downloader();
dw.downloadURL("http://somedomain.com/somefile.as");
dw.downloadSWF(this);