AIR：在应用程序文件夹之外加载本地xml文件

fault(mx.messaging.messages::ErrorMessage)#0
  body = \"\"
  clientId = \"DirectHTTPChannel0\"
  correlationId = \"D67CFDDA-2A2E-9D8B-21DE-7D9FB4B72167\"
  destination = \"\"
  extendedData = (null)
  faultCode = \"Server.Error.Request\"
  faultDetail = \"Error: [IOErrorEvent type=\"ioError\" bubbles=false cancelable=false eventPhase=2 text=\"Error #2032: Stream Error. URL: app:/Users/path/to/folder/languages.xml\" errorID=2032]. URL: /Users/path/to/folder/languages.xml\"
  faultString = \"HTTP request error\"
  headers = (Object)#1
    DSStatusCode = 0
  messageId = \"F54EACC8-22F3-3718-9106-7D9FB4E0649C\"
  rootCause = (flash.events::IOErrorEvent)#2
    bubbles = false
    cancelable = false
    currentTarget = (flash.net::URLLoader)#3
      bytesLoaded = 0
      bytesTotal = 0
      data = \"\"
      dataFormat = \"text\"
  errorID = 2032
  eventPhase = 2
  target = (flash.net::URLLoader)#3
  text = \"Error #2032: Stream Error. URL:    app:/Users/path/to/folder/languages.xml\"
  type = \"ioError\"
timestamp = 0
timeToLive = 0

<?xml version=\"1.0\" encoding=\"utf-8\"?>
<s:WindowedApplication xmlns:fx=\"http://ns.adobe.com/mxml/2009\" 
                   xmlns:s=\"library://ns.adobe.com/flex/spark\" 
                   xmlns:mx=\"library://ns.adobe.com/flex/mx\" creationComplete=\"windowedapplication1_creationCompleteHandler(event)\">
<fx:Script>
    <![CDATA[
        import mx.events.FlexEvent;
        import mx.rpc.events.FaultEvent;
        import mx.rpc.events.ResultEvent;

        protected function windowedapplication1_creationCompleteHandler(event:FlexEvent):void
        {
            this.languages.addEventListener(FaultEvent.FAULT, this.faultHandler);
            this.languages.addEventListener(ResultEvent.RESULT, resultHandler);

            this.languages.send();
        }

        private function faultHandler(event:FaultEvent):void
        {
            trace(\"fault\" + event.message);
        }

        private function resultHandler(event:ResultEvent):void
        {
            trace(\"success\" + event.result);
        }

    ]]>
</fx:Script>
<fx:Declarations>
    <!-- Place non-visual elements (e.g., services, value objects) here -->
    <s:HTTPService id=\"languages\" url=\"/Users/path/to/folder/languages.xml\"/>
</fx:Declarations>
</s:WindowedApplication>

var file:File = new File(\"/Users/path/to/folder/languages.xml\");

var fs:FileStream = new FileStream();
fs.open(file, FileMode.READ);
var text:String = fs.readUTFBytes(file.size);
trace(text);