public void handleFileUpload(FileUploadEvent event) {
    String message = FacesUtil.getMessage("file_msg_upload", event.getFile().getFileName());

    FacesUtil.addInfo(message);
    disabledButton = false;
    disabledExecuteButton = true;
    try {
      fileName =
          FacesUtil.getParameterTextValue("RUTA_ARCHIVOS_TEMPORALES")
              + "/"
              + event.getFile().getFileName();
      copyFile(fileName, event.getFile().getInputstream());
    } catch (IOException e) {
      e.printStackTrace();
    }
  }