Hi,
I've been trying to get an uploaded file to be sent back...
PROBLEM:
I can't get binary access to the output stream (from within subclass of
RawScreen).
I'm using the code below which is reproduced around various Turbine
sites&mailing lists.
However, .getOutputStream() doesn't actually exist, according to all
documentation, and indeed
it fails to work (although I've not got any debugging, just
comment/uncomment and see what lives !)
Is anything wrong with this..? (well yes) and why does everyone claim to
use .getOutputStream() when it doesn't
exist... ?
If it can be made to work then the Tutorial should be updated, because
there is no working download file
in there at present.
Cheers for your help
Peter
/*------/// code starts ///---------*/
public class Download extends RawScreen
{
public void doOutput(RunData data) throws Exception
{
if (!isAuthorized(data))
{
// do something to tell the user they don't have permission
}
else
{
data.declareDirectResponse();
FileInputStream file_tosend = new
FileInputStream(TurbineServlet.getRealPath("/uploaded.file"));
BufferedInputStream buffer_data = new
BufferedInputStream(file_tosend);
// OK to here
// these 3 would kill it
//OutputStream stream_out =
data.getResponse().getOutputStream();
//BufferedOutputStream buffer_out = new
BufferedOutputStream(stream_out);
//buffer_out.write(buffer_data.read());
// *** *** this one kills it, when enabled *** ***
//OutputStream a = data.getResponse().getOutputStream();
// Will work and do all this, provided the
.getOutputStream() call isn't made YYY
// Documentation for RunData.getResponse() -->
javax.servlet.http.HttpServletResponse
// shows that there is no .getOutputStream() method... what
should be going on !?
String str = "test 9D";
PrintWriter out = data.getOut();
out.println(str);
out.flush();
file_tosend.close();
}
}
public String getContentType(RunData data)
{
return "text/html";
//return "image/jpeg";
}
protected boolean isAuthorized(RunData data)
{
// do the security check here. Get whatever info you need
// about the user from RunData
return true;
}
}
/*------/// ends ///---------*/
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