flex獲取服務器路徑

<?xml version="1.0" encoding="utf-8"?>
<!-- deeplinking/UseURLUtil.mxml -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
    historyManagementEnabled="false" 
    creationComplete="initApp()" 
    height="250" 
    width="500"
>
    <mx:Script>
    <![CDATA[
        import mx.utils.URLUtil;
        import mx.managers.IBrowserManager;
        import mx.managers.BrowserManager;
        import mx.events.BrowserChangeEvent;
        public var browserManager:IBrowserManager;
        private function initApp():void {
            browserManager = BrowserManager.getInstance();
            browserManager.addEventListener(BrowserChangeEvent.URL_CHANGE, showURLDetails);            
            browserManager.init("", "Welcome!");            
        }
        [Bindable]
        private var fullURL:String;
        [Bindable]
        private var baseURL:String;
        [Bindable]
        private var fragment:String;
        [Bindable]
        private var protocol:String;
        [Bindable]
        private var port:int;
        [Bindable]
        private var serverName:String;
        [Bindable]
        private var isSecure:Boolean;
        [Bindable]
        private var previousURL:String;
        private function showURLDetails(e:BrowserChangeEvent):void {
            var url:String = browserManager.url;
            baseURL = browserManager.base;
            fragment = browserManager.fragment;                
            previousURL = e.lastURL;                
            fullURL = mx.utils.URLUtil.getFullURL(url, url);
            port = mx.utils.URLUtil.getPort(url);
            protocol = mx.utils.URLUtil.getProtocol(url);
            serverName = mx.utils.URLUtil.getServerName(url);
            isSecure = mx.utils.URLUtil.isHttpsURL(url);        
        }
    ]]>
    </mx:Script>
    <mx:Form>
        <mx:FormItem label="Full URL:">
            <mx:Label text="{fullURL}"/>
        </mx:FormItem>
        <mx:FormItem label="Base URL:">
            <mx:Label text="{baseURL}"/>
        </mx:FormItem>
        <mx:FormItem label="Fragment:">
            <mx:Label text="{fragment}"/>
        </mx:FormItem>
        <mx:FormItem label="Protocol:">
            <mx:Label text="{protocol}"/>
        </mx:FormItem>
        <mx:FormItem label="Port:">
            <mx:Label text="{port}"/>
        </mx:FormItem>
        <mx:FormItem label="Server name:">
            <mx:Label text="{serverName}"/>
        </mx:FormItem>
        <mx:FormItem label="Is secure?:">
            <mx:Label text="{isSecure}"/>
        </mx:FormItem>
        <mx:FormItem label="Previous URL:">
            <mx:Label text="{previousURL}"/>
        </mx:FormItem>    
    </mx:Form>
</mx:Application>