*
* @param recipientJID the recipient that is to receive the last published item notifications.
*/
public void sendLastPublishedItems(JID recipientJID) {
// Ensure the recipient has a subscription to this service's root collection node.
NodeSubscription subscription = rootCollectionNode.getSubscription(recipientJID);
if (subscription == null) {
subscription = rootCollectionNode.getSubscription(new JID(recipientJID.toBareJID()));
}
if (subscription == null) {
return;
}
// Send the last published item of each leaf node to the recipient.
for (Node leafNode : rootCollectionNode.getNodes()) {
// Retrieve last published item for the leaf node.
PublishedItem leafLastPublishedItem = null;
leafLastPublishedItem = leafNode.getLastPublishedItem();
if (leafLastPublishedItem == null) {
continue;
}
// Check if the published item can be sent to the subscriber
if (!subscription.canSendPublicationEvent(leafLastPublishedItem.getNode(), leafLastPublishedItem)) {
return;
}
// Send event notification to the subscriber
Message notification = new Message();
Element event = notification.getElement().addElement("event", "http://jabber.org/protocol/pubsub#event");
Element items = event.addElement("items");
items.addAttribute("node", leafLastPublishedItem.getNode().getNodeID());
Element item = items.addElement("item");
if (((LeafNode) leafLastPublishedItem.getNode()).isItemRequired()) {
item.addAttribute("id", leafLastPublishedItem.getID());
}
if (leafLastPublishedItem.getNode().isPayloadDelivered() && leafLastPublishedItem.getPayload() != null) {
item.add(leafLastPublishedItem.getPayload().createCopy());
}
// Add a message body (if required)
if (subscription.isIncludingBody()) {
notification.setBody(LocaleUtils.getLocalizedString("pubsub.notification.message.body"));
}
// Include date when published item was created
notification.getElement().addElement("delay", "urn:xmpp:delay").addAttribute("stamp", fastDateFormat.format(leafLastPublishedItem.getCreationDate()));
// Send the event notification to the subscriber
this.sendNotification(subscription.getNode(), notification, subscription.getJID());
}
}