code: public void setLinkSubstitutionHandler(String handlerClassName) {
  
          try {
              m_linkSubstitutionHandler = (I_CmsLinkSubstitutionHandler)Class.forName(handlerClassName).newInstance();
          } catch (Exception e) {
              // should never happen
              LOG.error(e.getLocalizedMessage(), e);
          }
      }
docs: Sets the static export handler class.<p>
  
  @param handlerClassName the static export handler class name