code: public static String fixLength(final String text, final int charsNum, final char paddingChar)
      {
          return fixLength(text, charsNum, paddingChar, false);
      }
docs: <p>
  Pads or truncates a string to a specified length.
  </p>
  
  @param text
  String to be fixed
  @param charsNum
  The fixed length in number of chars
  @param paddingChar
  The padding character
  @return A fixed length string