public void cleanup() {
    Connection conn = null;
    PreparedStatement ps = null;
    ResultSet rs = null;

    try {
      conn = getConnection();
      ps = conn.prepareStatement("SELECT COUNT(*) FROM FILES");
      rs = ps.executeQuery();
      dbCount = 0;

      if (rs.next()) {
        dbCount = rs.getInt(1);
      }

      rs.close();
      ps.close();
      PMS.get().getFrame().setStatusLine(Messages.getString("DLNAMediaDatabase.2") + " 0%");
      int i = 0;
      int oldpercent = 0;

      if (dbCount > 0) {
        ps =
            conn.prepareStatement(
                "SELECT FILENAME, MODIFIED, ID FROM FILES",
                ResultSet.TYPE_FORWARD_ONLY,
                ResultSet.CONCUR_UPDATABLE);
        rs = ps.executeQuery();
        while (rs.next()) {
          String filename = rs.getString("FILENAME");
          long modified = rs.getTimestamp("MODIFIED").getTime();
          File file = new File(filename);
          if (!file.exists() || file.lastModified() != modified) {
            rs.deleteRow();
          }
          i++;
          int newpercent = i * 100 / dbCount;
          if (newpercent > oldpercent) {
            PMS.get()
                .getFrame()
                .setStatusLine(Messages.getString("DLNAMediaDatabase.2") + newpercent + "%");
            oldpercent = newpercent;
          }
        }
      }
    } catch (SQLException se) {
      LOGGER.error(null, se);
    } finally {
      close(rs);
      close(ps);
      close(conn);
    }
  }