mirror of
https://github.com/vanitasvitae/Smack.git
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Adds new "user" functionalities (e.g. invitation, change availability status, etc.)
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2281 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Gaston Dombiak
gdombiak
parent
3600aa17d4
commit
b8c60f3295
1 changed files with 471 additions and 27 deletions
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@ -74,12 +74,32 @@ public class MultiUserChat {
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private String room;
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private String nickname = null;
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private boolean joined = false;
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private List participants = new ArrayList();
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private Map participantsMap = new HashMap();
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private List invitationRejectionListeners = new ArrayList();
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private PacketFilter presenceFilter;
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private PacketListener presenceListener;
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private PacketFilter messageFilter;
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private PacketFilter declinesFilter;
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private PacketListener declinesListener;
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private PacketCollector messageCollector;
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/**
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* Creates a new multi user chat with the specified connection and room name. Note: no
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* information is sent to or received from the server until you attempt to
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* {@link #join(String) join} the chat room. On some server implementations,
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* the room will not be created until the first person joins it.<p>
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*
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* Most XMPP servers use a sub-domain for the chat service (eg chat.example.com
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* for the XMPP server example.com). You must ensure that the room address you're
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* trying to connect to includes the proper chat sub-domain.
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*
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* @param connection the XMPP connection.
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* @param room the name of the room in the form "roomName@service", where
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* "service" is the hostname at which the multi-user chat
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* service is running.
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*/
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public MultiUserChat(XMPPConnection connection, String room) {
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this.connection = connection;
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this.room = room;
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@ -96,24 +116,43 @@ public class MultiUserChat {
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// Create a listener for all presence updates.
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presenceFilter =
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new AndFilter(new FromContainsFilter(room), new PacketTypeFilter(Presence.class));
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connection.addPacketListener(new PacketListener() {
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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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if (presence.getType() == Presence.Type.AVAILABLE) {
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synchronized (participants) {
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if (!participants.contains(from)) {
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participants.add(from);
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synchronized (participantsMap) {
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if (!participantsMap.containsKey(from)) {
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participantsMap.put(from, presence);
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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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synchronized (participants) {
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participants.remove(from);
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synchronized (participantsMap) {
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participantsMap.remove(from);
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}
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}
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}
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}, presenceFilter);
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};
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connection.addPacketListener(presenceListener, presenceFilter);
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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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declinesFilter = new PacketExtensionFilter("x", "http://jabber.org/protocol/muc#user");
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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 = getMUCUserExtension(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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// 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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connection.addPacketListener(declinesListener, declinesFilter);
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}
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/**
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@ -125,15 +164,152 @@ public class MultiUserChat {
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return room;
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}
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/**
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* Creates the room according to some default configuration, assign the requesting user
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* as the room owner, and add the owner to the room but not allow anyone else to enter
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* the room (effectively "locking" the room). The requesting user will join the room
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* under the specified nickname as soon as the room has been created.<p>
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*
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* To create an "Instant Room", that means a room with some default configuration that is
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* available for immediate access, the room's owner should send an empty form after creating
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* the room. (@see MultiUserChat.sendConfigurationForm(Form))<p>
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*
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* To create a "Reserved Room", that means a room manually configured by the room creator
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* before anyone is allowed to enter, the room's owner should complete and send a form after
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* creating the room. Once the completed configutation form is sent to the server, the server
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* will unlock the room. (@see MultiUserChat.sendConfigurationForm(Form))
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*
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* @param nickname the nickname to use.
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* @throws XMPPException if the room couldn't be created for some reason
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* (e.g. room already exists; user already joined to an existant room or
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* 405 error if the user is not allowed to create the room)
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*/
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public void create(String nickname) throws XMPPException {
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if (nickname == null || nickname.equals("")) {
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throw new IllegalArgumentException("Nickname must not be null or blank.");
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}
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// If we've already joined the room, leave it before joining under a new
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// nickname.
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if (joined) {
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throw new IllegalStateException("Creation failed - User already joined the room.");
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}
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// We create a room by sending a presence packet to room@service/nick
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// and signal support for MUC. The owner will be automatically logged into the room.
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Presence joinPresence = new Presence(Presence.Type.AVAILABLE);
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joinPresence.setTo(room + "/" + nickname);
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// Indicate the the client supports MUC
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joinPresence.addExtension(new MUCInitialPresence());
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// Wait for a presence packet back from the server.
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PacketFilter responseFilter =
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new AndFilter(
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new FromContainsFilter(room + "/" + nickname),
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new PacketTypeFilter(Presence.class));
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PacketCollector response = connection.createPacketCollector(responseFilter);
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// Send create & join packet.
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connection.sendPacket(joinPresence);
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// Wait up to a certain number of seconds for a reply.
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Presence presence = (Presence) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
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if (presence == null) {
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throw new XMPPException("No response from server.");
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}
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else if (presence.getError() != null) {
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throw new XMPPException(presence.getError());
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}
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// Look for confirmation of room creation from the server
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MUCUser mucUser = getMUCUserExtension(presence);
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if (mucUser != null && mucUser.getStatus() != null) {
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if ("201".equals(mucUser.getStatus().getCode())) {
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// Room was created and the user has joined the room
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this.nickname = nickname;
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joined = true;
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return;
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}
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}
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throw new XMPPException("Creation failed - Missing acknowledge of room creation.");
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}
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/**
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* Joins the chat room using the specified nickname. If already joined
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* using another nickname, this method will first leave the room and then
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* re-join using the new nickname. The default timeout of Smack for a reply
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* from the group chat server that the join succeeded will be used. After
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* joining the room, the room will decide the amount of history to send.
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*
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* @param nickname the nickname to use.
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* @throws XMPPException if an error occurs joining the room. In particular, a
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* 401 error can occur if no password was provided and one is required; or a
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* 403 error can occur if the user is banned; or a
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* 404 error can occur if the room does not exist or is locked; or a
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* 407 error can occur if user is not on the member list; or a
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* 409 error can occur if someone is already in the group chat with the same nickname.
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*/
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public void join(String nickname) throws XMPPException {
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join(nickname, SmackConfiguration.getPacketReplyTimeout(), null, -1, -1, -1, null);
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}
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/**
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* Joins the chat room using the specified nickname and password. If already joined
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* using another nickname, this method will first leave the room and then
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* re-join using the new nickname. The default timeout of Smack for a reply
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* from the group chat server that the join succeeded will be used. After
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* joining the room, the room will decide the amount of history to send.<p>
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*
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* A password is required when joining password protected rooms. If the room does
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* not require a password there is no need to provide one.
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*
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* @param nickname the nickname to use.
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* @param password the password to use.
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* @throws XMPPException if an error occurs joining the room. In particular, a
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* 401 error can occur if no password was provided and one is required; or a
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* 403 error can occur if the user is banned; or a
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* 404 error can occur if the room does not exist or is locked; or a
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* 407 error can occur if user is not on the member list; or a
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* 409 error can occur if someone is already in the group chat with the same nickname.
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*/
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public void join(String nickname, String password) throws XMPPException {
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join(nickname, SmackConfiguration.getPacketReplyTimeout(), password, -1, -1, -1, null);
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}
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// TODO Review protocol (too many params). Use setters or history class?
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/**
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* Joins the chat room using the specified nickname and password. If already joined
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* using another nickname, this method will first leave the room and then
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* re-join using the new nickname.<p>
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*
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* This method provides different parameters to control the amount of history to receive when
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* joining the room. If you don't complete any of these parameters the room will decide the
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* amount of history to return. If you decide to control the amount of history to receive, you
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* can use some or all of the following parameters:
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* <ul>
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* <li>maxchars -> total number of characters to receive in the history.
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* <li>maxstanzas -> total number of messages to receive in the history.
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* <li>seconds -> only the messages received in the last "X" seconds will be included in the
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* history.
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* <li>since -> only the messages received since the datetime specified will be included in
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* the history.
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* </ul>
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*
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* A password is required when joining password protected rooms. If the room does
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* not require a password there is no need to provide one.<p>
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*
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* If the room does not already exist when the user seeks to enter it, the server will
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* decide to create a new room or not.
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*
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* @param nickname the nickname to use.
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* @param timeout the number of seconds to wait for reply from the group chat server.
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* @param password the password to use.
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* @param maxchars the total number of characters to receive in the history.
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* @param maxstanzas the total number of messages to receive in the history.
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* @param seconds the number of seconds to use to filter the messages received during
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* that time.
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* @param since the since date to use to filter the messages received during that time.
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* @throws XMPPException if an error occurs joining the room. In particular, a
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* 401 error can occur if no password was provided and one is required; or a
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* 403 error can occur if the user is banned; or a
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* 404 error can occur if the room does not exist or is locked; or a
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* 407 error can occur if user is not on the member list; or a
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* 409 error can occur if someone is already in the group chat with the same nickname.
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*/
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public synchronized void join(
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String nickname,
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long timeout,
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@ -143,6 +319,7 @@ public class MultiUserChat {
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int seconds,
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Date since)
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throws XMPPException {
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// TODO Review protocol (too many params). Use setters or history class?
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if (nickname == null || nickname.equals("")) {
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throw new IllegalArgumentException("Nickname must not be null or blank.");
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}
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@ -223,16 +400,18 @@ public class MultiUserChat {
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leavePresence.setTo(room + "/" + nickname);
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connection.sendPacket(leavePresence);
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// Reset participant information.
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participants = new ArrayList();
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participantsMap = new HashMap();
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nickname = null;
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joined = false;
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}
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/**
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* Returns the room's configuration form that the room's owner can use. The configuration
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* form allows to set the room's language, enable logging, specify room's type, etc..
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* Returns the room's configuration form that the room's owner can use or <tt>null</tt> if
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* no configuration is possible. The configuration form allows to set the room's language,
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* enable logging, specify room's type, etc..
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*
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* @return the Form that contains the fields to complete together with the instrucions.
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* @return the Form that contains the fields to complete together with the instrucions or
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* <tt>null</tt> if no configuration is possible.
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* @throws XMPPException if an error occurs asking the configuration form for the room.
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*/
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public Form getConfigurationForm() throws XMPPException {
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@ -242,9 +421,7 @@ public class MultiUserChat {
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// Wait for a presence packet back from the server.
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PacketFilter responseFilter =
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new AndFilter(
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new FromContainsFilter(room),
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new PacketTypeFilter(IQ.class));
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new AndFilter(new FromContainsFilter(room), new PacketTypeFilter(IQ.class));
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PacketCollector response = connection.createPacketCollector(responseFilter);
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// Request the configuration form to the server.
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connection.sendPacket(iq);
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@ -252,24 +429,25 @@ public class MultiUserChat {
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IQ answer = (IQ) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
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// Stop queuing results
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response.cancel();
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if (answer == null) {
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throw new XMPPException("No response from server.");
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}
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else if (answer.getError() != null) {
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throw new XMPPException(iq.getError());
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throw new XMPPException(answer.getError());
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}
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return Form.getFormFrom(answer);
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}
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/**
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* Sends the completed configuration form to the server. The room will be configured
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* with the new settings defined in the form.
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* with the new settings defined in the form. If the form is empty then the server
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* will create an instant room (will use default configuration).
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*
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* @param form the form with the new settings.
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* @throws XMPPException if an error occurs setting the new rooms' configuration.
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*/
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public void submitConfigurationForm(Form form) throws XMPPException {
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public void sendConfigurationForm(Form form) throws XMPPException {
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MUCOwner iq = new MUCOwner();
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iq.setTo(room);
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iq.setType(IQ.Type.SET);
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@ -277,9 +455,146 @@ public class MultiUserChat {
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// Send the completed configuration form to the server.
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connection.sendPacket(iq);
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// TODO Check for possible returned errors? permission errors?
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// TODO Check that the form is of type "submit"
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// TODO Check that the form is of type "submit" or "cancel"
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}
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/**
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* Sends a request to the server to destroy the room. The sender of the request
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* should be the room's owner. If the sender of the destroy request is not the room's owner
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* then the server will answer a "Forbidden" error (403).
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*
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* @param reason the reason for the room destruction.
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* @param alternateJID the JID of an alternate location.
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* @throws XMPPException if an error occurs while trying to destroy the room.
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* An error can occur which will be wrapped by an XMPPException --
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* XMPP error code 403. The error code can be used to present more
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* appropiate error messages to end-users.
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*/
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public void destroy(String reason, String alternateJID) throws XMPPException {
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MUCOwner iq = new MUCOwner();
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iq.setTo(room);
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iq.setType(IQ.Type.SET);
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// Create the reason for the room destruction
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MUCOwner.Destroy destroy = new MUCOwner.Destroy();
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destroy.setReason(reason);
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destroy.setJid(alternateJID);
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iq.setDestroy(destroy);
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// Wait for a presence packet back from the server.
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PacketFilter responseFilter =
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new AndFilter(new FromContainsFilter(room), new PacketTypeFilter(IQ.class));
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PacketCollector response = connection.createPacketCollector(responseFilter);
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// Send the room destruction request.
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connection.sendPacket(iq);
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// Wait up to a certain number of seconds for a reply.
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IQ answer = (IQ) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
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// Stop queuing results
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response.cancel();
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if (answer == null) {
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throw new XMPPException("No response from server.");
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}
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else if (answer.getError() != null) {
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throw new XMPPException(answer.getError());
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}
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}
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/**
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* Invites another user to the room in which one is an occupant. The invitation
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* will be sent to the room which in turn will forward the invitation to the invitee.<p>
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*
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* If the room is password-protected, the invitee will receive a password to use to join
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* the room. If the room is members-only, the the invitee may be added to the member list.
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*
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* @param participant the user to invite to the room.(e.g. hecate@shakespeare.lit)
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* @param reason the reason why the user is being invited.
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*/
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public void invite(String participant, String reason) {
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// TODO listen for 404 error code when inviter supplies a non-existent JID
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Message message = new Message(room);
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// Create the MUCUser packet that will include the invitation
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MUCUser mucUser = new MUCUser();
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MUCUser.Invite invite = new MUCUser.Invite();
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invite.setTo(participant);
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invite.setReason(reason);
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mucUser.setInvite(invite);
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// Add the MUCUser packet that includes the invitation to the message
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message.addExtension(mucUser);
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connection.sendPacket(message);
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}
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/**
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* Informs the sender of an invitation that the invitee declines the invitation. The rejection
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* will be sent to the room which in turn will forward the rejection to the inviter.
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*
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* @param conn the connection to use for sending the rejection.
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* @param room the room that sent the original invitation.
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* @param inviter the inviter of the declined invitation.
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* @param reason the reason why the invitee is declining the invitation.
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*/
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public static void decline(XMPPConnection conn, String room, String inviter, String reason) {
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Message message = new Message(room);
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// Create the MUCUser packet that will include the rejection
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MUCUser mucUser = new MUCUser();
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MUCUser.Decline decline = new MUCUser.Decline();
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decline.setTo(inviter);
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decline.setReason(reason);
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mucUser.setDecline(decline);
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// Add the MUCUser packet that includes the rejection
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message.addExtension(mucUser);
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conn.sendPacket(message);
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}
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public static void addInvitationListener(XMPPConnection conn, InvitationListener listener) {
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//TODO Implement the InvitationListener functionality
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}
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/**
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* Adds a listener to invitation rejections notifications. The listener will be fired anytime
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* an invitation is declined.
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*
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* @param listener an invitation rejection listener.
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*/
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public void addInvitationRejectionListener(InvitationRejectionListener listener) {
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synchronized (invitationRejectionListeners) {
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if (!invitationRejectionListeners.contains(listener)) {
|
||||
invitationRejectionListeners.add(listener);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Removes a listener from invitation rejections notifications. The listener will be fired
|
||||
* anytime an invitation is declined.
|
||||
*
|
||||
* @param listener an invitation rejection listener.
|
||||
*/
|
||||
public void removeInvitationRejectionListener(InvitationRejectionListener listener) {
|
||||
synchronized (invitationRejectionListeners) {
|
||||
invitationRejectionListeners.remove(listener);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Fires invitation rejection listeners.
|
||||
*/
|
||||
private void fireInvitationRejectionListeners(String invitee, String reason) {
|
||||
InvitationRejectionListener[] listeners = null;
|
||||
synchronized (invitationRejectionListeners) {
|
||||
listeners = new InvitationRejectionListener[invitationRejectionListeners.size()];
|
||||
invitationRejectionListeners.toArray(listeners);
|
||||
}
|
||||
for (int i = 0; i < listeners.length; i++) {
|
||||
listeners[i].invitationDeclined(invitee, reason);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -292,6 +607,80 @@ public class MultiUserChat {
|
|||
return nickname;
|
||||
}
|
||||
|
||||
/**
|
||||
* Changes the participant's nickname to a new nickname within the room. Each room participant
|
||||
* will receive two presence packets. One of type "unavailable" for the old nickname and one
|
||||
* indicating availability for the new nickname. The unavailable presence will contain the new
|
||||
* nickname and an appropriate status code (namely 303) as extended presence information. The
|
||||
* status code 303 indicates that the participant is changing his/her nickname.
|
||||
*
|
||||
* @param nickname the new nickname within the room.
|
||||
* @throws XMPPException if the new nickname is already in use by another occupant.
|
||||
*/
|
||||
public void changeNickname(String nickname) throws XMPPException {
|
||||
if (nickname == null || nickname.equals("")) {
|
||||
throw new IllegalArgumentException("Nickname must not be null or blank.");
|
||||
}
|
||||
// Check that we already have joined the room before attempting to change the
|
||||
// nickname.
|
||||
if (!joined) {
|
||||
throw new IllegalStateException("Must be logged into the room to change nickname.");
|
||||
}
|
||||
// We change the nickname by sending a presence packet where the "to"
|
||||
// field is in the form "roomName@service/nickname"
|
||||
// We don't have to signal the MUC support again
|
||||
Presence joinPresence = new Presence(Presence.Type.AVAILABLE);
|
||||
joinPresence.setTo(room + "/" + nickname);
|
||||
|
||||
// Wait for a presence packet back from the server.
|
||||
PacketFilter responseFilter =
|
||||
new AndFilter(
|
||||
new FromContainsFilter(room + "/" + nickname),
|
||||
new PacketTypeFilter(Presence.class));
|
||||
PacketCollector response = connection.createPacketCollector(responseFilter);
|
||||
// Send join packet.
|
||||
connection.sendPacket(joinPresence);
|
||||
// Wait up to a certain number of seconds for a reply.
|
||||
Presence presence =
|
||||
(Presence) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
|
||||
if (presence == null) {
|
||||
throw new XMPPException("No response from server.");
|
||||
}
|
||||
else if (presence.getError() != null) {
|
||||
throw new XMPPException(presence.getError());
|
||||
}
|
||||
this.nickname = nickname;
|
||||
}
|
||||
|
||||
/**
|
||||
* Changes the participant's availability status within the room. The presence type
|
||||
* will remain available but with a new status that describes the presence update and
|
||||
* a new presence mode (e.g. Extended away).
|
||||
*
|
||||
* @param status a text message describing the presence update.
|
||||
* @param mode the mode type for the presence update.
|
||||
*/
|
||||
public void changeAvailabilityStatus(String status, Presence.Mode mode) {
|
||||
if (nickname == null || nickname.equals("")) {
|
||||
throw new IllegalArgumentException("Nickname must not be null or blank.");
|
||||
}
|
||||
// Check that we already have joined the room before attempting to change the
|
||||
// availability status.
|
||||
if (!joined) {
|
||||
throw new IllegalStateException(
|
||||
"Must be logged into the room to change the " + "availability status.");
|
||||
}
|
||||
// We change the availability status by sending a presence packet to the room with the
|
||||
// new presence status and mode
|
||||
Presence joinPresence = new Presence(Presence.Type.AVAILABLE);
|
||||
joinPresence.setStatus(status);
|
||||
joinPresence.setMode(mode);
|
||||
joinPresence.setTo(room + "/" + nickname);
|
||||
|
||||
// Send join packet.
|
||||
connection.sendPacket(joinPresence);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the number of participants in the group chat.<p>
|
||||
*
|
||||
|
|
@ -303,8 +692,8 @@ public class MultiUserChat {
|
|||
* @return the number of participants in the group chat.
|
||||
*/
|
||||
public int getParticipantCount() {
|
||||
synchronized (participants) {
|
||||
return participants.size();
|
||||
synchronized (participantsMap) {
|
||||
return participantsMap.size();
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -320,11 +709,32 @@ public class MultiUserChat {
|
|||
* @return an Iterator for the participants in the group chat.
|
||||
*/
|
||||
public Iterator getParticipants() {
|
||||
synchronized (participants) {
|
||||
return Collections.unmodifiableList(new ArrayList(participants)).iterator();
|
||||
synchronized (participantsMap) {
|
||||
return Collections.unmodifiableList(new ArrayList(participantsMap.keySet())).iterator();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the participant's full JID when joining a Non-Anonymous room or <tt>null</tt>
|
||||
* if the room is of type anonymous. If the room is of type semi-anonymous only the
|
||||
* moderators will have access to the participants full JID.
|
||||
*
|
||||
* @param participant the room occupant to search for his JID. Format roomName@service/nickname
|
||||
* (e.g. darkcave@macbeth.shakespeare.lit/thirdwitch)
|
||||
* @return the participant's full JID when joining a Non-Anonymous room otherwise returns
|
||||
* <tt>null</tt>.
|
||||
*/
|
||||
public String getParticipantJID(String participant) {
|
||||
// Get the participant's presence
|
||||
Presence presence = (Presence) participantsMap.get(participant);
|
||||
// Get the MUC User extension
|
||||
MUCUser mucUser = getMUCUserExtension(presence);
|
||||
if (mucUser != null) {
|
||||
return mucUser.getItem().getJid();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds a packet listener that will be notified of any new Presence packets
|
||||
* sent to the group chat. Using a listener is a suitable way to know when the list
|
||||
|
|
@ -349,6 +759,19 @@ public class MultiUserChat {
|
|||
connection.sendPacket(message);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a new Chat for sending private messages to a given room participant.
|
||||
* The Chat's participant address is the room's JID (i.e. roomName@service/nick). The server
|
||||
* service will change the 'from' address to the sender's room JID and delivering the message
|
||||
* to the intended recipient's full JID.
|
||||
*
|
||||
* @param participant occupant unique room JID (e.g. 'darkcave@macbeth.shakespeare.lit/Paul').
|
||||
* @return new Chat for sending private messages to a given room participant.
|
||||
*/
|
||||
public Chat createPrivateChat(String participant) {
|
||||
return new Chat(connection, participant);
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a new Message to send to the chat room.
|
||||
*
|
||||
|
|
@ -419,4 +842,25 @@ public class MultiUserChat {
|
|||
public void addMessageListener(PacketListener listener) {
|
||||
connection.addPacketListener(listener, messageFilter);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the MUCUser packet extension included in the packet or <tt>null</tt> if none.
|
||||
*
|
||||
* @param packet the packet that may include the MUCUser extension.
|
||||
* @return the MUCUser found in the packet.
|
||||
*/
|
||||
private MUCUser getMUCUserExtension(Packet packet) {
|
||||
if (packet != null) {
|
||||
// Get the MUC User extension
|
||||
return (MUCUser) packet.getExtension("x", "http://jabber.org/protocol/muc#user");
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public void finalize() {
|
||||
if (connection != null) {
|
||||
connection.removePacketListener(presenceListener);
|
||||
connection.removePacketListener(declinesListener);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue