void parseErrorHandler()

in src/main/java/org/apache/log4j/extras/DOMConfigurator.java [285:323]
36 lines of code
9 McCabe index (conditional complexity)

  void parseErrorHandler(Element element, Appender appender) {
    ErrorHandler eh = (ErrorHandler) OptionConverter.instantiateByClassName(
                                       subst(element.getAttribute(CLASS_ATTR)),
                                       org.apache.log4j.spi.ErrorHandler.class, 
 				       null);
    
    if(eh != null) {
      eh.setAppender(appender);

      PropertySetter propSetter = new PropertySetter(eh);
      NodeList children = element.getChildNodes();
      final int length 	= children.getLength();

      for (int loop = 0; loop < length; loop++) {
	Node currentNode = children.item(loop);
	if (currentNode.getNodeType() == Node.ELEMENT_NODE) {
	  Element currentElement = (Element) currentNode;
	  String tagName = currentElement.getTagName();
	  if(tagName.equals(PARAM_TAG)) {
            setParameter(currentElement, propSetter);
	  } else if(tagName.equals(APPENDER_REF_TAG)) {
	    eh.setBackupAppender(findAppenderByReference(currentElement));
	  } else if(tagName.equals(LOGGER_REF)) {
	    String loggerName = currentElement.getAttribute(REF_ATTR);	    
	    Logger logger = (catFactory == null) ? repository.getLogger(loggerName)
                : repository.getLogger(loggerName, catFactory);
	    eh.setLogger(logger);
	  } else if(tagName.equals(ROOT_REF)) {
	    Logger root = repository.getRootLogger();
	    eh.setLogger(root);
	  } else {
          quietParseUnrecognizedElement(eh, currentElement, props);
      }
	}
      }
      propSetter.activate();
      appender.setErrorHandler(eh);
    }
  }