private static String getPOS(final AnalyzedTokenReadings atr) {
   final StringBuilder sb = new StringBuilder();
   final int readNum = atr.getReadingsLength();
   for (int i = 0; i < readNum; i++) {
     if (!atr.isWhitespace()) {
       sb.append(atr.getAnalyzedToken(i).getPOSTag());
       if (i != readNum - 1) {
         sb.append('+');
       }
     }
   }
   return sb.toString();
 }
 private static void runOnStdIn(final JLanguageTool lt) throws IOException {
   final int MAX_FILE_SIZE = 64_000;
   InputStreamReader isr = null;
   BufferedReader br = null;
   StringBuilder sb = new StringBuilder();
   try {
     isr = new InputStreamReader(new BufferedInputStream(System.in));
     br = new BufferedReader(isr);
     String line;
     while ((line = br.readLine()) != null) {
       sb.append(line);
       sb.append('\n');
       if (lt.getLanguage().getSentenceTokenizer().singleLineBreaksMarksPara()) {
         tagText(sb.toString(), lt);
         sb = new StringBuilder();
       } else {
         if ("".equals(line) || sb.length() >= MAX_FILE_SIZE) {
           tagText(sb.toString(), lt);
           sb = new StringBuilder();
         }
       }
     }
   } finally {
     if (sb.length() > 0) {
       tagText(sb.toString(), lt);
     }
   }
   br.close();
   isr.close();
 }
 private static String getSentence(final AnalyzedSentence sent) {
   final StringBuilder sb = new StringBuilder();
   sb.append("<S>");
   for (final AnalyzedTokenReadings atr : sent.getTokensWithoutWhitespace()) {
     sb.append(getPOS(atr));
     sb.append(' ');
   }
   sb.append("</S>");
   return sb.toString();
 }