Gabor,
Try DownloadLink
http://wicket.sourceforge.net/apidocs/wicket/markup/html/link/DownloadLink.html
J
On Dec 11, 2007 5:39 PM, Gabor Szokoli <[EMAIL PROTECTED]> wrote:
> Hi there,
>
> The downside of an easy-to-use framework is the influx of users with
> little understanding of the underlying servlet technology, like me.
> Observe:
>
> I'd like to provide a ZIP file (could be TAR, anything Windows PCs can
> save and later extract from) as a download, one that is potentially
> too big to be kept in memory in full.
> So I guess I'd need to "stream" it in chunks, or as a java stream or
> channel.
> Can I do that from wicket?
> Or does the servlet interface require a fully assembled response in
> memory?
>
> Currently I assemble the ZIP file in a byte array in full, but it
> feels awkward. Would extending WebResource fit the bill?
>
> ByteArrayOutputStream bout = new
> ByteArrayOutputStream();
> ZipOutputStream zout = new ZipOutputStream(bout);
> // Add entries
> zout.finish();
> zout.close();
>
> Resource resource = new
> ByteArrayResource("application/zip",
> bout.toByteArray());
> ResourceStreamRequestTarget target = new
> ResourceStreamRequestTarget(resource.getResourceStream());
> target.setFileName(new
> SimpleDateFormat("yyyyMMddHHmmss").format(Calendar.getInstance
> ().getTime())
> + ".zip");
> getRequestCycle().setRequestTarget(target);
>
>
> All suggestions are welcome.
>
>
> Gabor Szokoli
>
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