protected void loadStartEffect(HasStartEffect chart, Element element) { String startDuration = element.attributeValue("startDuration"); if (StringUtils.isNotEmpty(startDuration)) { chart.setStartDuration(Double.parseDouble(startDuration)); } String startEffect = element.attributeValue("startEffect"); if (StringUtils.isNotEmpty(startEffect)) { chart.setStartEffect(AnimationEffect.valueOf(startEffect)); } }