code: @Override
    public boolean tokenizeLine(String line, BufferedReader reader, Record record) throws IOException {
      char separator = separatorChar;
      int len = line.length();
      int start = 0; 
      int j = 0;
      for (int i = 0; i < len; i++) {
        if (line.charAt(i) == separator) {
          put(line, start, i, j, record);
          start = i+1;
          j++;
        }
      }
      put(line, start, len, j, record);
      return true;
    }
docs: Splits the given input line into parts, using the given delimiter.