protected EdmAnnotation<?> getAnnotationElements(XMLEvent2 event, XMLEventReader2 reader) {
StartElement2 annotationStartElement = event.asStartElement();
QName2 q = annotationStartElement.getName();
String value = null;
EdmAnnotationElement<?> element = null;
List<EdmAnnotation<?>> list = new ArrayList<EdmAnnotation<?>>();
if (!NON_USER_NAMESPACES.contains(q.getNamespaceUri())) {
// a user extension
while (reader.hasNext()) {
event = reader.nextEvent();
if (event.isStartElement()) {
EdmAnnotation<?> childElement = getAnnotationElements(event, reader);
if (childElement != null) {
list.add(childElement);
}
} else if (event.isCharacters()) {
value = event.asCharacters().getData().trim();
} else if (event.isEndElement()) {
if (value != null) {
element =
EdmAnnotation.element(
q.getNamespaceUri(), q.getPrefix(), q.getLocalPart(), String.class, value);
} else {
element =
EdmAnnotation.element(
q.getNamespaceUri(), q.getPrefix(), q.getLocalPart(), String.class, "");
}
element.setAnnotationElements(list);
element.setAnnotations(getAnnotations(annotationStartElement));
return element;
}
}
}
return null;
}
protected List<EdmAnnotation<?>> getAnnotations(StartElement2 element) {
// extract Annotation attributes
try {
Enumerable<Attribute2> atts = element.getAttributes();
List<EdmAnnotation<?>> annots = new ArrayList<EdmAnnotation<?>>();
for (Attribute2 att : atts) {
QName2 q = att.getName();
if (isExtensionNamespace(q.getNamespaceUri())) {
// a user extension
annots.add(
EdmAnnotation.attribute(
q.getNamespaceUri(), q.getPrefix(), q.getLocalPart(), att.getValue()));
}
}
return annots;
} catch (Exception ex) {
// not all of the xml parsing implementations implement getAttributes() yet.
return null;
}
}