Help with download

[murx66]

I have the following code that returns me the address of a temporary object. I need to open the browser window to select the location and name of the download.
I am working with JSF 2.0 and Rich Faces.
I have not found any component for downloads.

Any idea how to make the download code?

I thank you in advance

Code of UploadFileBean for file creation and return of the route:

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public String download() {

        try {

            final FacesContext facesContext = FacesContext.getCurrentInstance();

            String path = guardaBlobEnFicheroTemporal(archivo);

            HttpServletResponse response = getResponse();

            response. sendRedirect(path);

            //writeOutContent(response, file, "prueba.docx");

            //System.out.println("3******************************");

            facesContext.responseComplete();

        }

        catch (Exception e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        return null;

    }

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Now I need open download window from browsers.
As could do this?

Thanks