private String uploadFile(UploadedFile doc) {
        UploadedFile myDoc = doc;
        String path = null;
        if (myDoc != null) {
            String fileName = myDoc.getFilename();
            String uploadedFileName = new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss").format(new Date()) + "_" + fileName;
            path = FILE_PATH + uploadedFileName;

            System.out.println(path + " PATH + FILENAME ");
            InputStream inputStream = null;
            File file;
            try {
                URL pathURL = new URL(path);
                try {
                    file = new File(pathURL.toURI());
                } catch (URISyntaxException e) {
                    file = new File(pathURL.getPath());
                }
                FileOutputStream out = new FileOutputStream(file);
                inputStream = myDoc.getInputStream();
                byte[] buffer = new byte[8192];
                int bytesRead = 0;
                while ((bytesRead = inputStream.read(buffer, 0, 8192)) != -1) {
                    out.write(buffer, 0, bytesRead);
                }
                out.flush();
                out.close();
            } catch (Exception ex) {
                log.error(ex.getMessage(), ex);
            } finally {
                try {
                    if (null != inputStream)
                        inputStream.close();
                } catch (IOException ioex) {
                    log.error(ioex.getMessage(), ioex);
                }
            }
        }
        return path;
    }