Best way to download large files direct to disk?

Hi,
I am writing a process that will download a file (in the
background, no GUI interaction) and will save it onto the users
drive. Once it is saved to disk they will be notified.
I don't want to use FileReference as that prompts the user, I
also don't want to just use UrlStream direct into a ByteArray
because the files can be quite big and I don't want to hog memory.
What would you recommend I do? Is the only option to simply
do an urlstream.readBytes() into a smaller temporary ByteArray and
then immediately write those bytes to disk, rather than appending
to an overall larger byte array that only gets written once the
entire file is saved?

I think it might be your lucky day, I think I just saw the
article you need.....
http://jarinheit.com/2008/06/19/downloading-large-files-in-adobe-air-with-flex/
....you didn't say what you wanted to do it in and well Im
trying to learn JS and all this so I converted it....
quote:
<html>
<head>
<script src="AIRAliases.js" />
<script>
var urlString = "
http://www.adobe.com/lib/com.adobe/template/gnav/adobe-hq.png";
var urlReq = new air.URLRequest(urlString);
var urlStream = new air.URLStream();
var fileStream = new air.FileStream();
urlStream.addEventListener(air.Event.COMPLETE, loaded);
urlStream.addEventListener(air.ProgressEvent.PROGRESS,
writeFile);
var file =
air.File.desktopDirectory.resolvePath("testing.png");
fileStream.openAsync(file, air.FileMode.WRITE);
urlStream.load(urlReq);
function writeFile(event) {
// only write every 50k or so downloaded
if (urlStream.bytesAvailable > 51200) {
// Read the buffer into a ByteArray and write it to disk
var data = new air.ByteArray();
urlStream.readBytes(data, 0, urlStream.bytesAvailable);
fileStream.writeBytes(data, 0, data.length);
function loaded(event) {
// Write any remaining data to the file before closing it
var data = new air.ByteArray();
urlStream.readBytes(data, 0, urlStream.bytesAvailable);
fileStream.writeBytes(data, 0, data.length);
fileStream.close();
</script>
</head>
<body>
</body>
</html>
...and it downloads it in the background.
Hope it helps.

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Message was edited by: Steve M.

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Making pod casts:
http://www.podcastingnews.com/articles/How-to-Podcast.html
http://www.windowsdevcenter.com/pub/a/windows/2005/04/05/create_podcasts_with_pc.html
Flash players for MP3s:
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--Nancy O.
"Brandon" <[email protected]> wrote
in message
news:et99hk$svu$[email protected]..
> I'm looking for recommendations about the best way to
publish mp3 files.
I
> have a client that is a church that wants their staff to
be able to upload
> mp3 files on a weekly basis from a web client and have
those files
> automatically be included in a podcast feed as well as
have a "play"
option
> and a "download" option. I know how to setup the front
end . . . any
> suggestions on the best way to implement this on the
back end (such as
> extensions or services)?
>
> --
> Brandon
>
http://www.presentationsdirect.com
>

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I'm looking for recommendations about the best way to publish
mp3 files. I
have a client that is a church that wants their staff to be
able to upload
mp3 files on a weekly basis from a web client and have those
files
automatically be included in a podcast feed as well as have a
"play" option
and a "download" option. I know how to setup the front end .
. . any
suggestions on the best way to implement this on the back end
(such as
extensions or services)?
Brandon
http://www.presentationsdirect.com

Making pod casts:
http://www.podcastingnews.com/articles/How-to-Podcast.html
http://www.windowsdevcenter.com/pub/a/windows/2005/04/05/create_podcasts_with_pc.html
Flash players for MP3s:
http://wimpyplayer.com
Jukebox from
http://swishzone.com
--Nancy O.
"Brandon" <[email protected]> wrote
in message
news:et99hk$svu$[email protected]..
> I'm looking for recommendations about the best way to
publish mp3 files.
I
> have a client that is a church that wants their staff to
be able to upload
> mp3 files on a weekly basis from a web client and have
those files
> automatically be included in a podcast feed as well as
have a "play"
option
> and a "download" option. I know how to setup the front
end . . . any
> suggestions on the best way to implement this on the
back end (such as
> extensions or services)?
>
> --
> Brandon
>
http://www.presentationsdirect.com
>

Best way to download large files direct to disk?

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