code: public void init(Converter converter, Object objTarget, boolean bTrueIfMatch)
      {
          super.init(converter, null, null);
          m_objTarget = objTarget;
          m_bTrueIfMatch = bTrueIfMatch;
      }
docs: Constructor.
  @param converter The next converter in the converter chain.
  @param strTarget If the radio button is set, set this converter to this target string.
  @param bTrueIfMatch If true, sets value on setState(true), otherwise sets it to blank.