*/
private void doUpload(HttpServletRequest request, HttpServletResponse response, UploadPortletRequest upr) throws IOException {
Logger.info(this, "Uploading File");
File importFile = upr.getFile("fileUpload");
PrintWriter out = response.getWriter();
ImportExportUtil ieu = new ImportExportUtil();
if(ieu.validateZipFile(importFile)){
request.getSession().invalidate();
MaintenanceUtil.flushCache();
ieu.doImport(out);
SessionMessages.add(request, "message", "File-Upload-Done");
}else{
SessionMessages.add(request, "error", "File-Upload-Failed");
}