Download capabilities from javascript code

Hi!

I've been searching through the mailing list to see if is there
any download capability. Although I've found something interesting
it doesn't meet my requirements.Let me explain, I'm in the case
where in an html page there is a button that calls some JavaScript,
and that piece of code ends performing the call to do the download,
then, i need support for run and interpret javascript code because is
not at all possible to calculate a static URI nor obtain the resource
via URL connection or typical tools.

Now I have this:

Button[] baSchDownResultButtons = wfSchDownResultForm.getButtons();
baSchDownResultButtons[4].click();
WebResponse wrRespCSV = wc.getCurrentPage();

where "baSchDownResultButtons[4]" has associated the javascript code
that handles the download. But then i don't know how to obtain a InputStream
or something that permits me obtain the final file.

Thanks in advance.

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