An text IResourceStream: StringBufferResourceStream
and i was looking ath the current 1.x svn and in that release the
constructor with the responseType is already depricated
and i think also setFilename isn't there yet.
johan
On 1/4/07, Frank Silbermann <[EMAIL PROTECTED]> wrote:
ResourceStreamRequestTarget implements IRequestTarget -- are you
suggesting that instead of instantiating an anonymous class that implements
IRequestTarget that I construct an instance of ResourceStreamRequestTarget?
If so, its constructor requires an implementation of IResourceStream and a
string that contains the responseType. I suppose I could use "text/plain"
as the responseType, but where do I get the implementation of
IResourceStream? (That interface has a whole bunch of methods to
implement.)
------------------------------
*From:* [EMAIL PROTECTED] [mailto:
[EMAIL PROTECTED] *On Behalf Of *Johan Compagner
*Sent:* Thursday, January 04, 2007 3:59 AM
*To:* [email protected]
*Subject:* Re: [Wicket-user] Letting users download flat file
you can use the ResourceStreamRequestTarget for that now and use
setFileName() for setting the filename.
johan
On 1/4/07, Frank Silbermann < [EMAIL PROTECTED]> wrote:
>
> I am trying to make a button responde by downloading text to the user
> which is saved as a .txt file. Igor suggested I look at DownloadLink,
> which downloads a file when clicked.
>
> The code of DownloadLink does not seem to set the content type; does the
> system make an assumption based on the file's suffix?
>
> Trying to adapt the code in DownloadLink, I came up with the following
> event for my Button subclass:
>
> public void onClick() {
> getRequestCycle().setRequestTarget(
>
> new IRequestTarget() {
>
> public void detach(RequestCycle requestCycle) {}
> public Object getLock(RequestCycle requestCycle) { return null;
> }
>
> public void respond(RequestCycle requestCycle) {
> WebResponse r = (WebResponse)requestCycle.getResponse();
> r.setAttachmentHeader("myFilename.txt");
> r.setContentType( "text/plain; name=myFileName.txt" );
>
> PrintStream printStream = new PrintStream(r.getOutputStream
> ());
> printStream.println("Line 1");
> printStream.println("Line 2"); }
>
> }
> );
> }
>
> I expect that when I run it and click the button, the browser should
> pop-up a box asking me if I wish to save file "myFileName.txt"
> -- a file that should contain two lines of text. But when I run it and
> click my button, it goes back to the server, but then nothing happens --the
> browser does not prompt me to save anything.
>
> Do you see anything wrong with what I've done?
> ------------------------------
> *From:* [EMAIL PROTECTED] [mailto:
> [EMAIL PROTECTED] *On Behalf Of *Igor Vaynberg
> *Sent:* Wednesday, January 03, 2007 11:35 AM
> *To:* [email protected]
> *Subject:* Re: [Wicket-user] Letting users download flat file
>
> the proper approach is to push a new request target into the request
> cycle, see DownloadLink
>
> -igor
>
>
> On 1/3/07, Frank Silbermann < [EMAIL PROTECTED]> wrote:
> >
> > In my project, I have a button that lets the user download the
> > contents of a datatable in a form that MSExcel can interpret:
> > Button button = new Button("excelExport") {
> > protected void onSubmit() {
> > getRequestCycle().setRequestTarget(new
> > ComponentRequestTarget(dataTable));
> > WebResponse wr=(WebResponse)getResponse();
> > wr.setContentType( "excel/ms-excel; name=myFilename.xls" );
> > wr.setHeader("content-disposition", "attachment;filename=
> > myFilename.xls");
> > }
> > };
> >
> > Suppose I want the button to download a text file containing some
> > arbitrary text (not necessarily the contents of a DataTable). Would I do
> > something like this?
> >
> > Button button = new Button("textfileExport") {
> > protected void onSubmit() {
> >
> > StringResponse response = new StringResponse();
> > response.write(
> > "Whatever I want contained in the output text file..."
> > );
> > getRequestCycle().setResponse(response);
> >
> > WebResponse wr=(WebResponse)getResponse();
> > wr.setContentType( "text/plain; name=myFilename.txt" );
> > wr.setHeader("content-disposition", "attachment;filename=
> > myFilename.txt");
> > }
> > };
> >
> > If not, what is the proper approach?
> >
> >
> >
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