Is there more complex example? Do you build link with DownloadLink or
ResourceLink? -I suppouse you use ResourceLink. And yes, I would like to
build response data at the link click moment, no temp file if possible
(in fact I have data as byte[] from database).
On 14.10.2012 21:59, Dan Retzlaff wrote:
I usually wrap a custom AbstractResource instance in a ResourceReference,
and put that into the ResourceLink. AbstractResource#newResourceResponse()
is called when the link is clicked. You can query for the bytes there, and
write them to the response in your ResourceResponse's WriteCallback. For a
download, the relevant setters are:
ResourceResponse response = new ResourceResponse();
response.setFileName(...);
response.setContentType(...);
response.setContentLength(...);
response.setContentDisposition(ContentDisposition.ATTACHMENT);
response.setWriteCallback(new WriteCallback() {...});
On Sun, Oct 14, 2012 at 7:45 PM, Michael Jaruska
<[email protected]>wrote:
Dan, thank you for links and points.
The true is that I have data in database so I would like streaming them.
Is the right
way put them in temp file first and then send it into browser with
DownloadLink?
After some googling I noticed that ResourceLink should be like
DownloadLink but for me
better - it's for streamed data. But can't find any example for wicket 1.5
:-(
MJ
On 14.10.2012 21:00, Dan Retzlaff wrote:
Michael, check out the DownloadLink example here:
http://www.wicket-library.com/**wicket-examples/linkomatic/**home<http://www.wicket-library.com/wicket-examples/linkomatic/home>
Also check out the code for DownloadLink itself, and you'll see
1. Your IModel must return a File, but yours returns bytes.
2. The download is initiated in DownloadLink#onClick, which you have
blocked with your subclass.
Hope that helps,
Dan
On Sun, Oct 14, 2012 at 5:09 PM, Michael Jaruska
<[email protected]>**wrote:
Hi,
what to add into onClick() in DownloadLink if I need return to client
generated .pdf
stream as a .pdf file?
My code:
IModel pdfStreamModel = new AbstractReadOnlyModel()
{
public Object getObject()
{
return getPdfStreamBytes();
}
};
DownloadLink downloadLink = new DownloadLink("downloadLink",
pdfStreamModel, getPdfDocumentName())
{
public void onClick()
{
System.out.println("clicking works");
}
};
Model works, DownloadLink is added into my markup. But I can't find any
example how to deal
code into onClick() in DownloadLink in a way it will return my generated
.pdf stream in model.
Thank folks,
MJ
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