How to trigger download of the contents of a custom workflow spaces UCM

I have a custom task flow in spaces WebCenter whereby I want to allow a user to download the content of the Complutense University of MADRID. When the user clicks on a button, I want to be prompted to download a file via their web browser.

I have the button call a method of a bean of support. Is passed to the method:

idcClient - an object of oracle.stellent.ridc.IdcClient
idcContext - an object of oracle.stellent.ridc.IdcContext
selectedDocID - a string containing has done to the document of the Complutense University of MADRID
selectedDocTitle - a string containing the dDocTitle for the document from the Complutense University of MADRID


The method call contains:

DataBinder binding = idcClient.createBinder ();
binder.putLocal ("IdcService", "GET_FILE");
binder.putLocal ("a", selectedDocID);

ServiceResponse response = idcClient.sendRequest (idcContext, binder);

String contentType = response.getHeader("Content-Type");
InputStream is = response.getResponseStream ();

HttpServletResponse hsr = (HttpServletResponse) FacesContext.getCurrentInstance () .getExternalContext () m:System.NET.FtpWebRequest.GetResponse ();
hsr.setHeader ("Content-Disposition", "attachment; filename = "" + selectedDocTitle); "
hsr.setContentType (contentType);
hsr.setStatus (200);

try {}
OutputStream os = hsr.getOutputStream ();
StreamUtil.copyStream (is, os, true, true);
} catch (IOException e) {}
e.printStackTrace ();
}


When this method is called, nothing happening... no output, no error message. If I change the OutputStream to write to a local file on the server, the document is written in the file correctly:

FileOutputStream fos = new FileOutputStream (new file ("/tmp/" + selectedDocTitle));
StreamUtil.copyStream (is, fos, true, true);

... which leads me to believe that I use the HttpServletResponse object incorrectly (since it's stolen code). Can you see a problem with my code? Or did someone knows a better way to trigger the download via the web browser?

Thank you!

Therefore, you have the downloadListener:

Code download method:

    public void download(javax.faces.context.FacesContext facesContext,
                         OutputStream os) {

    }

Follow code to write the inputStream in the following outputstream: http://www.roseindia.net/java/java-conversion/InputstreamToOutputstream.shtml

Tags: Fusion Middleware

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