code: public static void copyImages(Report report, String from, String to) {
          try {
              List<String> images = ReportUtil.getStaticImages(report);
              File destination = new File(to);
              for (String image : images) {
                  File f = new File(from + File.separator + image);
                  if (f.exists()) {
                      FileUtil.copyToDir(f, destination);
                  }
              }
          } catch (IOException ex) {
              ex.printStackTrace();
          }
      }
docs: this must any folder taht is in the project classpath : PDF, EXCEL, RTF