Remove init() in MultiUserChat
and mark more members 'final' Also use CopyOnWriteArraySet for presenceInterceptors.
This commit is contained in:
Florian Schmaus
parent
e835df5641
commit
fd7b747987
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@ -94,12 +94,9 @@ public class MultiUserChat {
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private static Map<XMPPConnection, List<String>> joinedRooms =
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new WeakHashMap<XMPPConnection, List<String>>();
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private XMPPConnection connection;
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private String room;
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private String subject;
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private String nickname = null;
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private boolean joined = false;
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private Map<String, Presence> occupantsMap = new ConcurrentHashMap<String, Presence>();
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private final XMPPConnection connection;
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private final String room;
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private final Map<String, Presence> occupantsMap = new ConcurrentHashMap<String, Presence>();
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private final List<InvitationRejectionListener> invitationRejectionListeners =
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new ArrayList<InvitationRejectionListener>();
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@ -111,14 +108,17 @@ public class MultiUserChat {
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new ArrayList<ParticipantStatusListener>();
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private final Set<MessageListener> messageListeners = new CopyOnWriteArraySet<MessageListener>();
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private final Set<PresenceListener> presenceListeners = new CopyOnWriteArraySet<PresenceListener>();
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private final Set<PacketInterceptor> presenceInterceptors = new CopyOnWriteArraySet<PacketInterceptor>();
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private final ConnectionDetachedPacketCollector<Message> messageCollector = new ConnectionDetachedPacketCollector<Message>();
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private final PacketFilter fromRoomFilter;
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private final PacketListener messageListener;
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private final PacketListener presenceListener;
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private final RoomListenerMultiplexor roomListenerMultiplexor;
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private List<PacketInterceptor> presenceInterceptors = new ArrayList<PacketInterceptor>();
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private RoomListenerMultiplexor roomListenerMultiplexor;
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private ConnectionDetachedPacketCollector<Message> messageCollector;
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private String subject;
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private String nickname = null;
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private boolean joined = false;
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static {
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XMPPConnectionRegistry.addConnectionCreationListener(new ConnectionCreationListener() {
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@ -200,7 +200,102 @@ public class MultiUserChat {
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};
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fromRoomFilter = FromMatchesFilter.create(room);
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init();
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// Create a listener for subject updates.
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PacketListener subjectListener = new PacketListener() {
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public void processPacket(Packet packet) {
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Message msg = (Message) packet;
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// Update the room subject
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subject = msg.getSubject();
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// Fire event for subject updated listeners
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fireSubjectUpdatedListeners(
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msg.getSubject(),
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msg.getFrom());
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}
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};
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// Create a listener for all presence updates.
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PacketListener presenceListener = new PacketListener() {
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public void processPacket(Packet packet) {
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Presence presence = (Presence) packet;
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String from = presence.getFrom();
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String myRoomJID = MultiUserChat.this.room + "/" + nickname;
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boolean isUserStatusModification = presence.getFrom().equals(myRoomJID);
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if (presence.getType() == Presence.Type.available) {
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Presence oldPresence = occupantsMap.put(from, presence);
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if (oldPresence != null) {
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// Get the previous occupant's affiliation & role
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MUCUser mucExtension = MUCUser.from(packet);
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MUCAffiliation oldAffiliation = mucExtension.getItem().getAffiliation();
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MUCRole oldRole = mucExtension.getItem().getRole();
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// Get the new occupant's affiliation & role
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mucExtension = MUCUser.from(packet);
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MUCAffiliation newAffiliation = mucExtension.getItem().getAffiliation();
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MUCRole newRole = mucExtension.getItem().getRole();
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// Fire role modification events
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checkRoleModifications(oldRole, newRole, isUserStatusModification, from);
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// Fire affiliation modification events
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checkAffiliationModifications(
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oldAffiliation,
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newAffiliation,
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isUserStatusModification,
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from);
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}
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else {
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// A new occupant has joined the room
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if (!isUserStatusModification) {
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List<String> params = new ArrayList<String>();
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params.add(from);
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fireParticipantStatusListeners("joined", params);
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}
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}
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}
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else if (presence.getType() == Presence.Type.unavailable) {
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occupantsMap.remove(from);
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MUCUser mucUser = MUCUser.from(packet);
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if (mucUser != null && mucUser.getStatus() != null) {
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// Fire events according to the received presence code
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checkPresenceCode(
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mucUser.getStatus(),
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presence.getFrom().equals(myRoomJID),
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mucUser,
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from);
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} else {
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// An occupant has left the room
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if (!isUserStatusModification) {
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List<String> params = new ArrayList<String>();
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params.add(from);
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fireParticipantStatusListeners("left", params);
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}
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}
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}
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}
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};
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// Listens for all messages that include a MUCUser extension and fire the invitation
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// rejection listeners if the message includes an invitation rejection.
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PacketListener declinesListener = new PacketListener() {
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public void processPacket(Packet packet) {
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// Get the MUC User extension
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MUCUser mucUser = MUCUser.from(packet);
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// Check if the MUCUser informs that the invitee has declined the invitation
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if (mucUser.getDecline() != null &&
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((Message) packet).getType() != Message.Type.error) {
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// Fire event for invitation rejection listeners
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fireInvitationRejectionListeners(
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mucUser.getDecline().getFrom(),
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mucUser.getDecline().getReason());
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}
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}
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};
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PacketMultiplexListener packetMultiplexor = new PacketMultiplexListener(
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messageCollector, presenceListener, subjectListener,
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declinesListener);
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roomListenerMultiplexor = RoomListenerMultiplexor.getRoomMultiplexor(connection);
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roomListenerMultiplexor.addRoom(room, packetMultiplexor);
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}
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/**
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@ -1938,108 +2033,6 @@ public class MultiUserChat {
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}
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}
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private void init() {
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// Create a collector for incoming messages.
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messageCollector = new ConnectionDetachedPacketCollector<Message>();
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// Create a listener for subject updates.
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PacketListener subjectListener = new PacketListener() {
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public void processPacket(Packet packet) {
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Message msg = (Message) packet;
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// Update the room subject
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subject = msg.getSubject();
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// Fire event for subject updated listeners
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fireSubjectUpdatedListeners(
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msg.getSubject(),
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msg.getFrom());
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}
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};
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// Create a listener for all presence updates.
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PacketListener presenceListener = new PacketListener() {
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public void processPacket(Packet packet) {
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Presence presence = (Presence) packet;
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String from = presence.getFrom();
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String myRoomJID = room + "/" + nickname;
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boolean isUserStatusModification = presence.getFrom().equals(myRoomJID);
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if (presence.getType() == Presence.Type.available) {
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Presence oldPresence = occupantsMap.put(from, presence);
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if (oldPresence != null) {
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// Get the previous occupant's affiliation & role
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MUCUser mucExtension = MUCUser.from(packet);
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MUCAffiliation oldAffiliation = mucExtension.getItem().getAffiliation();
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MUCRole oldRole = mucExtension.getItem().getRole();
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// Get the new occupant's affiliation & role
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mucExtension = MUCUser.from(packet);
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MUCAffiliation newAffiliation = mucExtension.getItem().getAffiliation();
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MUCRole newRole = mucExtension.getItem().getRole();
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// Fire role modification events
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checkRoleModifications(oldRole, newRole, isUserStatusModification, from);
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// Fire affiliation modification events
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checkAffiliationModifications(
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oldAffiliation,
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newAffiliation,
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isUserStatusModification,
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from);
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}
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else {
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// A new occupant has joined the room
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if (!isUserStatusModification) {
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List<String> params = new ArrayList<String>();
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params.add(from);
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fireParticipantStatusListeners("joined", params);
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}
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}
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}
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else if (presence.getType() == Presence.Type.unavailable) {
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occupantsMap.remove(from);
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MUCUser mucUser = MUCUser.from(packet);
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if (mucUser != null && mucUser.getStatus() != null) {
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// Fire events according to the received presence code
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checkPresenceCode(
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mucUser.getStatus(),
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presence.getFrom().equals(myRoomJID),
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mucUser,
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from);
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} else {
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// An occupant has left the room
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if (!isUserStatusModification) {
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List<String> params = new ArrayList<String>();
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params.add(from);
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fireParticipantStatusListeners("left", params);
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}
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}
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}
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}
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};
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// Listens for all messages that include a MUCUser extension and fire the invitation
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// rejection listeners if the message includes an invitation rejection.
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PacketListener declinesListener = new PacketListener() {
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public void processPacket(Packet packet) {
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// Get the MUC User extension
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MUCUser mucUser = MUCUser.from(packet);
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// Check if the MUCUser informs that the invitee has declined the invitation
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if (mucUser.getDecline() != null &&
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((Message) packet).getType() != Message.Type.error) {
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// Fire event for invitation rejection listeners
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fireInvitationRejectionListeners(
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mucUser.getDecline().getFrom(),
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mucUser.getDecline().getReason());
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}
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}
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};
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PacketMultiplexListener packetMultiplexor = new PacketMultiplexListener(
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messageCollector, presenceListener, subjectListener,
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declinesListener);
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roomListenerMultiplexor = RoomListenerMultiplexor.getRoomMultiplexor(connection);
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roomListenerMultiplexor.addRoom(room, packetMultiplexor);
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}
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/**
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* Fires notification events if the role of a room occupant has changed. If the occupant that
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* changed his role is your occupant then the <code>UserStatusListeners</code> added to this
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