final Message message = new Message();
message.setFrom(fromJID);
message.setBody("New activity: " + entry.getTitle());
message.setType(Message.Type.headline);
org.dom4j.Element eventElement = message.addChildElement("event", "http://jabber.org/protocol/pubsub#event");
org.dom4j.Element itemsElement = eventElement.addElement("items");
itemsElement.addAttribute("node", PEPActivityHandler.NODE);
org.dom4j.Element itemElement = itemsElement.addElement("item");
itemElement.addAttribute("id", entry.getId());
itemElement.add((org.dom4j.Element) entryElement);