private void outputMessage(String msg, int msgType) {
    if (isInterrupted()) {
      return;
    }

    if (m_msgHandler != null) {
      m_msgHandler.outputMessage(msg + "\n", msgType);
    } else {
      try {
        m_outWriter.write(msg);
        m_outWriter.newLine();
      } catch (Exception ex) {
        System.err.println(msg);
      }
    }
  }
 private void closeOutputFile() {
   try {
     if (m_outWriter != null) {
       m_outWriter.close();
     }
   } catch (IOException ex) {
     System.err.println("Error closing output file.");
   }
 }
  private Set outputUrlResults(String url, Set m_inclset, Set m_exclset) {
    Set new_incls = new TreeSet(CollectionUtils.subtract(m_inclset, m_reported));
    Set new_excls = new TreeSet(CollectionUtils.subtract(m_exclset, m_reported));
    if (!m_inclset.isEmpty()) {
      outputMessage(
          "\nIncluded Urls: ("
              + new_incls.size()
              + " new, "
              + (m_inclset.size() - new_incls.size())
              + " old)",
          URL_SUMMARY_MESSAGE);
      depth_incl[m_curDepth - 1] += new_incls.size();
    }
    for (Iterator it = new_incls.iterator(); it.hasNext(); ) {
      outputMessage(it.next().toString(), PLAIN_MESSAGE);
    }

    if (!m_exclset.isEmpty()) {
      outputMessage(
          "\nExcluded Urls: ("
              + new_excls.size()
              + " new, "
              + (m_exclset.size() - new_excls.size())
              + " old)",
          URL_SUMMARY_MESSAGE);
    }
    for (Iterator it = new_excls.iterator(); it.hasNext(); ) {
      outputMessage(it.next().toString(), PLAIN_MESSAGE);
    }
    m_reported.addAll(new_incls);
    m_reported.addAll(new_excls);

    if (m_outWriter != null) {
      try {
        m_outWriter.flush();
      } catch (IOException ex) {
      }
    }
    return new_incls;
  }