String roomID = packet.getFrom().getNode();
// Get the sessionID
String sessionID = packet.getFrom().getNode();
synchronized (sessionID.intern()) {
if (packet instanceof Presence) {
Presence presence = (Presence)packet;
if (Presence.Type.error == presence.getType()) {
// A configuration must be wrong (eg. workgroup is not allowed to create rooms).
// Log the error presence
String warnMessage = "Possible server misconfiguration. Received error " +
"presence:" + presence.toXML();
Log.warn(warnMessage);
return;
}
// Get the JID of the presence's user
Element mucUser = presence.getChildElement("x", "http://jabber.org/protocol/muc#user");
// Skip this presence if no extended info was included in the presence
if (mucUser == null) {
return;
}
Element item = mucUser.element("item");
// Skip this presence if no item was included in the presence
if (item == null) {
return;
}
// Skip this presence if it's the presence of this workgroup in the room
if (workgroupName.equals(packet.getFrom().getResource())) {
return;
}
JID presenceFullJID = new JID(item.attributeValue("jid"));
String presenceJID = presenceFullJID.toBareJID();
// Invoke the room interceptor before processing the presence
interceptorManager.invokeInterceptors(getJID().toBareJID(), packet, false, false);
// Get the userID associated to this sessionID
UserRequest initialRequest = requests.get(sessionID);
// Add the new presence to the list of sent packets
Map<Packet, java.util.Date> messageList = transcripts.get(roomID);
if (messageList == null) {
messageList = new LinkedHashMap<Packet, java.util.Date>();
transcripts.put(roomID, messageList);
// Trigger the event that a chat support has started
WorkgroupEventDispatcher.chatSupportStarted(this, sessionID);
}
messageList.put(packet.createCopy(), new java.util.Date());
// Update the number of occupants in the room.
boolean occupantAdded = false;
Set<String> set = occupantsCounter.get(roomID);
if (set == null) {
set = new HashSet<String>();
occupantsCounter.put(roomID, set);
}
if (presence.isAvailable()) {
occupantAdded = set.add(presenceJID);
}
else {
String xpath = "/presence/*[name()='x']/*[name()='status']";
Element status = (Element)presence.getElement().selectSingleNode(xpath);
if (status == null || !"303".equals(status.attributeValue("code"))) {
// Remove the occupant unless the occupant is changing his nickname
set.remove(presenceJID);
}
}
// If the presence belongs to an Agent then create/update a track
// Look for an agent whose JID matches the presence's JID
String agentJID = null;
for (Agent agent : getAgents()) {
if (agent.getAgentJID().toBareJID().equals(presenceJID)) {
agentJID = agent.getAgentJID().toBareJID();
}
}
if (agentJID != null) {
AgentSession agentSession;
// Update the current chats that the agent is having
try {
agentSession = agentManager.getAgentSession(presenceFullJID);
if (agentSession != null) {
if (presence.isAvailable()) {
if (occupantAdded) {
agentSession.addChatInfo(this, sessionID, initialRequest, new java.util.Date());
// Trigger the event that an agent has joined a chat session
WorkgroupEventDispatcher.agentJoinedChatSupport(this, sessionID, agentSession);
}
}
else {
agentSession.removeChatInfo(this, sessionID);
// Trigger the event that an agent has left a chat session
WorkgroupEventDispatcher.agentLeftChatSupport(this, sessionID, agentSession);
}
}
}
catch (AgentNotFoundException e) {
// Do nothing since the AgentSession was not found
}
if (presence.isAvailable()) {
if (occupantAdded) {
// Store in the DB that an agent has joined a room
DbWorkgroup.updateJoinedSession(sessionID, agentJID, true);
}
}
else {
// Store in the DB that an agent has left a room
DbWorkgroup.updateJoinedSession(sessionID, agentJID, false);
}
}
else {
if (occupantAdded) {
// Notify the request that the user has joined a support session
initialRequest.supportStarted(roomID);
}
}
if (occupantAdded) {
initialRequest.userJoinedRoom(new JID(packet.getFrom().toBareJID()), presenceFullJID);
}
// If just the user has left the room, just persist the transcript
boolean isAgent = false;
try {
isAgent = agentManager.getAgentSession(presenceFullJID) != null;
}
catch (AgentNotFoundException e) {
// Ignore.
}
if (!((Presence)packet).isAvailable() && !isAgent) {
// Build the XML for the transcript
Map<Packet, java.util.Date> map = transcripts.get(roomID);
StringBuilder buf = new StringBuilder();
buf.append("<transcript>");
for (Packet p : map.keySet()) {
java.util.Date date = map.get(p);
// Add the delay information
if (p instanceof Message) {
Message storedMessage = (Message)p;
Element delay = storedMessage.addChildElement("x", "jabber:x:delay");
delay.addAttribute("stamp", UTC_FORMAT.format(date));
if (ModelUtil.hasLength(storedMessage.getBody())) {
buf.append(p.toXML());
}
}
else {
Presence storedPresence = (Presence)p;
Element delay = storedPresence.addChildElement("x", "jabber:x:delay");
delay.addAttribute("stamp", UTC_FORMAT.format(date));
buf.append(p.toXML());
}
// Append an XML representation of the packet to the string buffer
}
buf.append("</transcript>");
// Save the transcript (in XML) to the DB
DbWorkgroup.updateTranscript(sessionID, buf.toString(), new java.util.Date());
}
// If the agent and the user left the room then proceed to dump the transcript to
// the DB and destroy the room
if (!((Presence)packet).isAvailable() && set.isEmpty()) {
// Delete the counter of occupants for this room
occupantsCounter.remove(roomID);
initialRequest = requests.remove(sessionID);
if (initialRequest != null && initialRequest.hasJoinedRoom()) {
// Notify the request that the support session has finished
initialRequest.supportEnded();
}
// Build the XML for the transcript
Map<Packet, java.util.Date> map = transcripts.get(roomID);
StringBuilder buf = new StringBuilder();
buf.append("<transcript>");
for (Packet p : map.keySet()) {
java.util.Date date = map.get(p);
// Add the delay information
if (p instanceof Message) {
Message storedMessage = (Message)p;
Element delay = storedMessage.addChildElement("x", "jabber:x:delay");
delay.addAttribute("stamp", UTC_FORMAT.format(date));
if (ModelUtil.hasLength(storedMessage.getBody())) {
buf.append(p.toXML());
}
}
else {
Presence storedPresence = (Presence)p;
Element delay = storedPresence.addChildElement("x", "jabber:x:delay");
delay.addAttribute("stamp", UTC_FORMAT.format(date));
buf.append(p.toXML());
}
// Append an XML representation of the packet to the string buffer
}