@Override
public IQ handleIQ(IQ packet) throws UnauthorizedException {
IQ reply = IQ.createResultIQ(packet);
Element offlineRequest = packet.getChildElement();
JID from = packet.getFrom();
if (offlineRequest.element("purge") != null) {
// User requested to delete all offline messages
messageStore.deleteMessages(from.getNode());
} else if (offlineRequest.element("fetch") != null) {
// Mark that offline messages shouldn't be sent when the user becomes available
stopOfflineFlooding(from);
// User requested to receive all offline messages
for (OfflineMessage offlineMessage : messageStore.getMessages(from.getNode(), false)) {
sendOfflineMessage(from, offlineMessage);
}
} else {
for (Iterator it = offlineRequest.elementIterator("item"); it.hasNext(); ) {
Element item = (Element) it.next();
Date creationDate = null;
try {
creationDate = xmppDateTime.parseString(item.attributeValue("node"));
} catch (ParseException e) {
Log.error("Error parsing date", e);
}
if ("view".equals(item.attributeValue("action"))) {
// User requested to receive specific message
OfflineMessage offlineMsg = messageStore.getMessage(from.getNode(), creationDate);
if (offlineMsg != null) {
sendOfflineMessage(from, offlineMsg);
}
} else if ("remove".equals(item.attributeValue("action"))) {
// User requested to delete specific message
if (messageStore.getMessage(from.getNode(), creationDate) != null) {
messageStore.deleteMessage(from.getNode(), creationDate);
} else {
// If the requester is authorized but the node does not exist, the server MUST return a
// <item-not-found/> error.
reply.setError(PacketError.Condition.item_not_found);
}
}
}
}
return reply;
}
public Iterator<DiscoItem> getItems(String name, String node, JID senderJID) {
// Mark that offline messages shouldn't be sent when the user becomes available
stopOfflineFlooding(senderJID);
List<DiscoItem> answer = new ArrayList<DiscoItem>();
for (OfflineMessage offlineMessage : messageStore.getMessages(senderJID.getNode(), false)) {
answer.add(
new DiscoItem(
senderJID.asBareJID(),
offlineMessage.getFrom().toString(),
XMPPDateTimeFormat.format(offlineMessage.getCreationDate()),
null));
}
return answer.iterator();
}
public DataForm getExtendedInfo(String name, String node, JID senderJID) {
// Mark that offline messages shouldn't be sent when the user becomes available
stopOfflineFlooding(senderJID);
final DataForm dataForm = new DataForm(DataForm.Type.result);
final FormField field1 = dataForm.addField();
field1.setVariable("FORM_TYPE");
field1.setType(FormField.Type.hidden);
field1.addValue(NAMESPACE);
final FormField field2 = dataForm.addField();
field2.setVariable("number_of_messages");
field2.addValue(String.valueOf(messageStore.getMessages(senderJID.getNode(), false).size()));
return dataForm;
}