void parseLevel()

in src/main/java/org/apache/log4j/extras/DOMConfigurator.java [562:598]

35 lines of code
7 McCabe index (conditional complexity)


  void parseLevel(Element element, Logger logger, boolean isRoot) {
    String catName = logger.getName();
    if(isRoot) {
      catName = "root";
    }

    String priStr = subst(element.getAttribute(VALUE_ATTR));
    LogLog.debug("Level value for "+catName+" is  ["+priStr+"].");
    
    if(INHERITED.equalsIgnoreCase(priStr) || NULL.equalsIgnoreCase(priStr)) {
      if(isRoot) {
	LogLog.error("Root level cannot be inherited. Ignoring directive.");
      } else {
	logger.setLevel(null);
      }
    } else {
      String className = subst(element.getAttribute(CLASS_ATTR));      
      if(EMPTY_STR.equals(className)) {	
	logger.setLevel(OptionConverter.toLevel(priStr, Level.DEBUG));
      } else {
	LogLog.debug("Desired Level sub-class: ["+className+']');
	try {	 
	  Class clazz = Loader.loadClass(className);
	  Method toLevelMethod = clazz.getMethod("toLevel", 
						    ONE_STRING_PARAM);
	  Level pri = (Level) toLevelMethod.invoke(null, 
						    new Object[] {priStr});
	  logger.setLevel(pri);
	} catch (Exception oops) {
	  LogLog.error("Could not create level ["+priStr+
		       "]. Reported error follows.", oops);
	  return;
	}
      }
    }
    LogLog.debug(catName + " level set to " + logger.getLevel());    
  }