}
}
}
private ReferenceListener parseServiceListener(Element element, ComponentMetadata enclosingComponent) {
ReferenceListenerImpl listener = new ReferenceListenerImpl();
Metadata listenerComponent = null;
// Parse attributes
if (element.hasAttribute(REF_ATTRIBUTE)) {
listenerComponent = new RefMetadataImpl(element.getAttribute(REF_ATTRIBUTE));
}
String bindMethodName = null;
String unbindMethodName = null;
if (element.hasAttribute(BIND_METHOD_ATTRIBUTE)) {
bindMethodName = element.getAttribute(BIND_METHOD_ATTRIBUTE);
listener.setBindMethod(bindMethodName);
}
if (element.hasAttribute(UNBIND_METHOD_ATTRIBUTE)) {
unbindMethodName = element.getAttribute(UNBIND_METHOD_ATTRIBUTE);
listener.setUnbindMethod(unbindMethodName);
}
if (bindMethodName == null && unbindMethodName == null) {
throw new ComponentDefinitionException("One of " + BIND_METHOD_ATTRIBUTE + " or " + UNBIND_METHOD_ATTRIBUTE + " must be set");
}
// Parse elements
NodeList nl = element.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Node node = nl.item(i);
if (node instanceof Element) {
Element e = (Element) node;
if (isBlueprintNamespace(e.getNamespaceURI())) {
if (nodeNameEquals(e, REF_ELEMENT)) {
if (listenerComponent != null) {
throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
}
String component = e.getAttribute(COMPONENT_ID_ATTRIBUTE);
if (component == null || component.length() == 0) {
throw new ComponentDefinitionException("Element " + REF_ELEMENT + " must have a valid " + COMPONENT_ID_ATTRIBUTE + " attribute");
}
listenerComponent = new RefMetadataImpl(component);
} else if (nodeNameEquals(e, BEAN_ELEMENT)) {
if (listenerComponent != null) {
throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
}
listenerComponent = parseBeanMetadata(e, false);
} else if (nodeNameEquals(e, REFERENCE_ELEMENT)) {
if (listenerComponent != null) {
throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
}
listenerComponent = parseReference(e, false);
} else if (nodeNameEquals(e, SERVICE_ELEMENT)) {
if (listenerComponent != null) {
throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
}
listenerComponent = parseService(e, false);
}
} else {
if (listenerComponent != null) {
throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
}
listenerComponent = parseCustomElement(e, enclosingComponent);
}
}
}
if (listenerComponent == null) {
throw new ComponentDefinitionException("One of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element must be set");
}
listener.setListenerComponent((Target) listenerComponent);
return listener;
}