@SuppressWarnings("unchecked")
public void handleListenersElement(
Element stepElement, BeanDefinition beanDefinition, ParserContext parserContext) {
MutablePropertyValues propertyValues = beanDefinition.getPropertyValues();
List<Element> listenersElements =
DomUtils.getChildElementsByTagName(stepElement, LISTENERS_ELE);
if (listenersElements.size() == 1) {
Element listenersElement = listenersElements.get(0);
CompositeComponentDefinition compositeDef =
new CompositeComponentDefinition(
listenersElement.getTagName(), parserContext.extractSource(stepElement));
parserContext.pushContainingComponent(compositeDef);
ManagedList listenerBeans = new ManagedList();
if (propertyValues.contains("listeners")) {
listenerBeans = (ManagedList) propertyValues.getPropertyValue("listeners").getValue();
}
listenerBeans.setMergeEnabled(
listenersElement.hasAttribute(MERGE_ATTR)
&& Boolean.valueOf(listenersElement.getAttribute(MERGE_ATTR)));
List<Element> listenerElements =
DomUtils.getChildElementsByTagName(listenersElement, "listener");
if (listenerElements != null) {
for (Element listenerElement : listenerElements) {
listenerBeans.add(parse(listenerElement, parserContext));
}
}
propertyValues.addPropertyValue("listeners", listenerBeans);
parserContext.popAndRegisterContainingComponent();
}
}
private ManagedList<AbstractBeanDefinition> parseListeners(
Element element, ParserContext parserContext) {
List<Element> listenersElements =
DomUtils.getChildElementsByTagName(element, LISTENERS_ELEMENT);
ManagedList<AbstractBeanDefinition> listeners = new ManagedList<AbstractBeanDefinition>();
if (listenersElements.size() == 1) {
Element listenersElement = listenersElements.get(0);
CompositeComponentDefinition compositeDef =
new CompositeComponentDefinition(
listenersElement.getTagName(), parserContext.extractSource(element));
parserContext.pushContainingComponent(compositeDef);
listeners.setMergeEnabled(false);
List<Element> listenerElements =
DomUtils.getChildElementsByTagName(listenersElement, LISTENER_ELEMENT);
for (Element listenerElement : listenerElements) {
BeanDefinitionBuilder bd = BeanDefinitionBuilder.genericBeanDefinition(listenerType);
bd.addPropertyValue(
"delegate", new RuntimeBeanReference(listenerElement.getAttribute(REF_ATTRIBUTE)));
listeners.add(bd.getBeanDefinition());
}
parserContext.popAndRegisterContainingComponent();
} else if (listenersElements.size() > 1) {
parserContext
.getReaderContext()
.error(
"The '<listeners/>' element may not appear more than once in a single <job/>.",
element);
}
return listeners;
}