code: public void init(Converter converter, Converter cnvDependent, String strCompare)
      {
          super.init(converter, cnvDependent);
  
          if ((strCompare == null) || (strCompare.length() == 0))
              m_strCompare = Constants.BLANK;
          else
              m_strCompare = strCompare;
      }
docs: Initialize this converter.
  @param converter The next converter in the converter chain.
  @param cnvDependent The alternate converter to use if the converter matches the string (blank).
  @param strCompare The string to compare with the next converter's value to decide whether to display the alternate.