private static InputStream storeInputStreamToFile(
     String filePath, Business.InputAtom inputAtom, boolean closeInput) {
   try {
     return Persistence.storeInputStream(
         new FileOutputStream(filePath),
         inputAtom.inputStream,
         closeInput,
         " corresponding to the file '" + filePath + "'");
   } catch (FileNotFoundException exception) {
     if (log.isWarnEnabled()) {
       log.warn("Could not access to the file '" + filePath + "' for writing", exception);
     }
     return null;
   }
 }