private void removeExistingDescriptor(XWikiDocument document) {
List<BaseObject> existingServerClassObjects = document.getXObjects(SERVER_CLASS);
if (existingServerClassObjects != null && !existingServerClassObjects.isEmpty()) {
String wikiId =
wikiDescriptorDocumentHelper.getWikiIdFromDocumentReference(
document.getDocumentReference());
DefaultWikiDescriptor existingDescriptor = cache.getFromId(wikiId);
if (existingDescriptor != null) {
cache.remove(existingDescriptor);
}
}
}
@Override
public void onEvent(Event event, Object source, Object data) {
XWikiDocument document = (XWikiDocument) source;
// If the document is deleted then check the original document to see if it had XWiki Server
// objects and if
// so then unregister them
if (event instanceof DocumentDeletedEvent || event instanceof DocumentUpdatedEvent) {
removeExistingDescriptor(document.getOriginalDocument());
}
// Register the new XWiki Server objects if any
List<BaseObject> serverClassObjects = document.getXObjects(SERVER_CLASS);
if (serverClassObjects != null && !serverClassObjects.isEmpty()) {
DefaultWikiDescriptor descriptor =
this.builder.buildDescriptorObject(serverClassObjects, document);
if (descriptor != null) {
cache.add(descriptor);
}
}
}