docs: public boolean load(UrlResource urlResource) {
  		if (urlResource == null) {
  			throw new NullPointerException("Null setting url define!");
  		}
  		log.debug("Load setting file [{}]", urlResource);
  		InputStream settingStream = null;
  		try {
  			settingStream = urlResource.getStream();
  			load(settingStream);
  		} catch (Exception e) {
  			log.error(e, "Load setting error!");
  			return false;
  		} finally {
  			IoUtil.close(settingStream);
  		}
  		return true;
  	}