Is it not the responseHeaders that you need? on the following object
http://livedocs.adobe.com/flex/3/langref/flash/events/HTTPStatusEvent.html
Regards,
Wesley Acheson
On Wed, Aug 19, 2009 at 12:54 PM, Barry Evans wrote:
> Hi,
>
> This post is quite lengthy, but I really need to explain in detail what it
> is I'm trying to achieve here.
>
> I am developing an AIR application that has an mx.controls.HTML component
> as the only child; in essence the application is a custom web browser in
> AIR.
>
> I have created a custom HTMLHost component that extends the
> flash.html.HTMLHost class per the Adobe documentation, so that my
> application can intercept particular JavaScript calls; i.e.
> (AS)createWindow() -> (JS)window.open().
>
> The main HTML component has its htmlHost property set to an instance of
> this CustomHTMLHost class, and every new window that is created via the
> createWindow() method also has its htmlHost set to an instance of the
> CustomHTMLHost class.
>
> In my CustomHTMLHost class, I also override the
> updateLocation(locationURL:String) method, enabling me to inspect the new
> URL that is being set on either the main HTML component, or any popup
> windows that are created.
>
> The web application I am loading into the main HTML component allows users
> to export reports in a number of formats (HTML, PDF, XLS, CSV, TXT) which
> can either be opened or downloaded when using a conventional browser
> (IE/FF/Safari).
>
> When the user exports a report, a popup window is displayed (which works
> fine with my application because of the overridden createWindow() method in
> the CutsomHTMLHost class).
> After the user clicks the final "Export" button on a PDF/HTML/TXT export,
> everything works fine and the report results are displayed as the AIR
> runtime can handle these files.
>
> However when the user exports to XLS/CSV nothing happens, which is expected
> because the AIR runtime does not support those file types.
> I intend to create a file download manager to handle this so that the user
> can just save the files to their local file system, and this is where I'm
> hitting a brick wall.
>
> I am able to capture the URL that is being requested to get these latter
> export types from the overridden updateLocation(locationURL:String) method
> in the CustomHTMLHost class, but the URL alone is not enough information for
> the AIR application to send to the web application that provides the report
> exporting functionality.
>
> I need to get access to the rest of the header information (such as POST
> variables, and also the cookie information) that is sent in the HTTP request
> when the final "Export" button is clicked by the user to ensure I am getting
> a valid response from the web application.
>
> So, to finally get to my main question... is there any way to intercept
> the URLRequests that are created and invoked from a HTML/HTMLHost component?
>
> What I really want to be able to do is to inspect the HTTP responses, so
> that I can determine content of the HTTP response i.e.
> Content-Disposition: filename*=Report.xls;
> Content-Type: application/vnd.ms-excel; charset=UnicodeLittle
>
> With this information I can let my AIR application display a save file
> dialog or something along those lines.
>
> Sorry for the long post, and any help would be appreciated as this is a
> critical part of my AIR application, and I REALLY need to figure this out.
>
> I understand that the approach I am proposing may not even be possible, as
> I have been doing a number of things to try and solve it.
> One of which was extending the HTMLLoader class and overriding the
> load(urlRequestToLoad:URLRequest) method to I could intercept all
> URLRequests, but I couldn't even get the HTML component that used this class
> as its htmlLoader property to load any HTML content.
>
> Thanks in advance,
>
> Barry
>
>
>
>
>
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