code: protected void initEditHandler(Element handlerElement) {
  
          String editHandlerClass = handlerElement.attributeValue(APPINFO_ATTR_CLASS);
          Map<String, String> params = Maps.newHashMap();
          Element paramsElement = handlerElement.element(APPINFO_PARAMETERS);
          if (paramsElement != null) {
              for (Element paramElement : paramsElement.elements(APPINFO_PARAM)) {
                  String name = paramElement.attributeValue(APPINFO_ATTR_NAME);
                  String value = paramElement.getText();
                  params.put(name, value);
              }
          }
          try {
              m_editHandler = (I_CmsEditHandler)Class.forName(editHandlerClass).newInstance();
              m_editHandler.setParameters(params);
          } catch (Exception e) {
              LOG.error(e.getMessage(), e);
          }
      }
docs: Initializes the edit handler.<p>
  
  @param handlerElement the edit handler element