@Nullable
 private static MorfologikMultiSpeller getSpeller(Language language) {
   if (!language.getShortName().equals(Locale.GERMAN.getLanguage())) {
     throw new RuntimeException("Language is not a variant of German: " + language);
   }
   try {
     String morfoFile = "/de/hunspell/de_" + language.getCountries()[0] + ".dict";
     if (JLanguageTool.getDataBroker().resourceExists(morfoFile)) {
       // spell data will not exist in LibreOffice/OpenOffice context
       try (InputStream stream =
               JLanguageTool.getDataBroker()
                   .getFromResourceDirAsStream("/de/hunspell/spelling.txt");
           BufferedReader br = new BufferedReader(new InputStreamReader(stream, "utf-8"))) {
         return new MorfologikMultiSpeller(morfoFile, new ExpandingReader(br), MAX_EDIT_DISTANCE);
       }
     } else {
       return null;
     }
   } catch (IOException e) {
     throw new RuntimeException("Could not set up morfologik spell checker", e);
   }
 }