Examples with PacketFilter org.jivesoftware.smack.filter.PacketFilter used on opensource projects

Example 21 with PacketFilter

use of org.jivesoftware.smack.filter.PacketFilter in project ecf by eclipse.

the class MultiUserChat method init.

private void init() {
    // Create filters
    messageFilter = new AndFilter(new FromMatchesFilter(room), new MessageTypeFilter(Message.Type.groupchat));
    messageFilter = new AndFilter(messageFilter, new PacketFilter() {

        public boolean accept(Packet packet) {
            Message msg = (Message) packet;
            return msg.getBody() != null;
        }
    });
    presenceFilter = new AndFilter(new FromMatchesFilter(room), new PacketTypeFilter(Presence.class));
    // Create a collector for incoming messages.
    messageCollector = new ConnectionDetachedPacketCollector();
    // Create a listener for subject updates.
    PacketListener subjectListener = new PacketListener() {

        public void processPacket(Packet packet) {
            Message msg = (Message) packet;
            // Update the room subject
            subject = msg.getSubject();
            // Fire event for subject updated listeners
            fireSubjectUpdatedListeners(msg.getSubject(), msg.getFrom());
        }
    };
    // Create a listener for all presence updates.
    PacketListener presenceListener = new PacketListener() {

        public void processPacket(Packet packet) {
            Presence presence = (Presence) packet;
            String from = presence.getFrom();
            String myRoomJID = room + "/" + nickname;
            boolean isUserStatusModification = presence.getFrom().equals(myRoomJID);
            if (presence.getType() == Presence.Type.available) {
                Presence oldPresence = occupantsMap.put(from, presence);
                if (oldPresence != null) {
                    // Get the previous occupant's affiliation & role
                    MUCUser mucExtension = getMUCUserExtension(oldPresence);
                    String oldAffiliation = mucExtension.getItem().getAffiliation();
                    String oldRole = mucExtension.getItem().getRole();
                    // Get the new occupant's affiliation & role
                    mucExtension = getMUCUserExtension(presence);
                    String newAffiliation = mucExtension.getItem().getAffiliation();
                    String newRole = mucExtension.getItem().getRole();
                    // Fire role modification events
                    checkRoleModifications(oldRole, newRole, isUserStatusModification, from);
                    // Fire affiliation modification events
                    checkAffiliationModifications(oldAffiliation, newAffiliation, isUserStatusModification, from);
                } else {
                    // A new occupant has joined the room
                    if (!isUserStatusModification) {
                        List<String> params = new ArrayList<String>();
                        params.add(from);
                        fireParticipantStatusListeners("joined", params);
                    }
                }
            } else if (presence.getType() == Presence.Type.unavailable) {
                occupantsMap.remove(from);
                MUCUser mucUser = getMUCUserExtension(presence);
                if (mucUser != null && mucUser.getStatus() != null) {
                    // Fire events according to the received presence code
                    checkPresenceCode(mucUser.getStatus().getCode(), presence.getFrom().equals(myRoomJID), mucUser, from);
                } else {
                    // An occupant has left the room
                    if (!isUserStatusModification) {
                        List<String> params = new ArrayList<String>();
                        params.add(from);
                        fireParticipantStatusListeners("left", params);
                    }
                }
            }
        }
    };
    // Listens for all messages that include a MUCUser extension and fire the invitation
    // rejection listeners if the message includes an invitation rejection.
    PacketListener declinesListener = new PacketListener() {

        public void processPacket(Packet packet) {
            // Get the MUC User extension
            MUCUser mucUser = getMUCUserExtension(packet);
            // Check if the MUCUser informs that the invitee has declined the invitation
            if (mucUser.getDecline() != null && ((Message) packet).getType() != Message.Type.error) {
                // Fire event for invitation rejection listeners
                fireInvitationRejectionListeners(mucUser.getDecline().getFrom(), mucUser.getDecline().getReason());
            }
        }
    };
    PacketMultiplexListener packetMultiplexor = new PacketMultiplexListener(messageCollector, presenceListener, subjectListener, declinesListener);
    roomListenerMultiplexor = RoomListenerMultiplexor.getRoomMultiplexor(connection);
    roomListenerMultiplexor.addRoom(room, packetMultiplexor);
}

Example 22 with PacketFilter

use of org.jivesoftware.smack.filter.PacketFilter in project ecf by eclipse.

the class MultiUserChat method getAffiliatesByAdmin.

/**
 * Returns a collection of <code>Affiliate</code> that have the specified room affiliation
 * sending a request in the admin namespace.
 *
 * @param affiliation the affiliation of the users in the room.
 * @return a collection of <code>Affiliate</code> that have the specified room affiliation.
 * @throws XMPPException if an error occured while performing the request to the server or you
 *         don't have enough privileges to get this information.
 */
private Collection<Affiliate> getAffiliatesByAdmin(String affiliation) throws XMPPException {
    MUCAdmin iq = new MUCAdmin();
    iq.setTo(room);
    iq.setType(IQ.Type.GET);
    // Set the specified affiliation. This may request the list of owners/admins/members/outcasts.
    MUCAdmin.Item item = new MUCAdmin.Item(affiliation, null);
    iq.addItem(item);
    // Wait for a response packet back from the server.
    PacketFilter responseFilter = new PacketIDFilter(iq.getPacketID());
    PacketCollector response = connection.createPacketCollector(responseFilter);
    // Send the request to the server.
    connection.sendPacket(iq);
    // Wait up to a certain number of seconds for a reply.
    MUCAdmin answer = (MUCAdmin) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
    // Stop queuing results
    response.cancel();
    if (answer == null) {
        throw new XMPPException("No response from server.");
    } else if (answer.getError() != null) {
        throw new XMPPException(answer.getError());
    }
    // Get the list of affiliates from the server's answer
    List<Affiliate> affiliates = new ArrayList<Affiliate>();
    for (Iterator<MUCAdmin.Item> it = answer.getItems(); it.hasNext(); ) {
        affiliates.add(new Affiliate(it.next()));
    }
    return affiliates;
}

Example 23 with PacketFilter

use of org.jivesoftware.smack.filter.PacketFilter in project ecf by eclipse.

the class MultiUserChat method changeNickname.

/**
 * Changes the occupant's nickname to a new nickname within the room. Each room occupant
 * 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 occupant 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.");
    }
    // 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);
    // Invoke presence interceptors so that extra information can be dynamically added
    for (PacketInterceptor packetInterceptor : presenceInterceptors) {
        packetInterceptor.interceptPacket(joinPresence);
    }
    // Wait for a presence packet back from the server.
    PacketFilter responseFilter = new AndFilter(new FromMatchesFilter(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());
    // Stop queuing results
    response.cancel();
    if (presence == null) {
        throw new XMPPException("No response from server.");
    } else if (presence.getError() != null) {
        throw new XMPPException(presence.getError());
    }
    this.nickname = nickname;
}

Example 24 with PacketFilter

use of org.jivesoftware.smack.filter.PacketFilter in project ecf by eclipse.

the class MultiUserChat method create.

/**
 * Creates the room according to some default configuration, assign the requesting user
 * as the room owner, and add the owner to the room but not allow anyone else to enter
 * the room (effectively "locking" the room). The requesting user will join the room
 * under the specified nickname as soon as the room has been created.<p>
 *
 * To create an "Instant Room", that means a room with some default configuration that is
 * available for immediate access, the room's owner should send an empty form after creating
 * the room. {@link #sendConfigurationForm(Form)}<p>
 *
 * To create a "Reserved Room", that means a room manually configured by the room creator
 * before anyone is allowed to enter, the room's owner should complete and send a form after
 * creating the room. Once the completed configutation form is sent to the server, the server
 * will unlock the room. {@link #sendConfigurationForm(Form)}
 *
 * @param nickname the nickname to use.
 * @throws XMPPException if the room couldn't be created for some reason
 *          (e.g. room already exists; user already joined to an existant room or
 *          405 error if the user is not allowed to create the room)
 */
public synchronized void create(String nickname) throws XMPPException {
    if (nickname == null || nickname.equals("")) {
        throw new IllegalArgumentException("Nickname must not be null or blank.");
    }
    // nickname.
    if (joined) {
        throw new IllegalStateException("Creation failed - User already joined the room.");
    }
    // We create a room by sending a presence packet to room@service/nick
    // and signal support for MUC. The owner will be automatically logged into the room.
    Presence joinPresence = new Presence(Presence.Type.available);
    joinPresence.setTo(room + "/" + nickname);
    // Indicate the the client supports MUC
    joinPresence.addExtension(new MUCInitialPresence());
    // Invoke presence interceptors so that extra information can be dynamically added
    for (PacketInterceptor packetInterceptor : presenceInterceptors) {
        packetInterceptor.interceptPacket(joinPresence);
    }
    // Wait for a presence packet back from the server.
    PacketFilter responseFilter = new AndFilter(new FromMatchesFilter(room + "/" + nickname), new PacketTypeFilter(Presence.class));
    PacketCollector response = connection.createPacketCollector(responseFilter);
    // Send create & join packet.
    connection.sendPacket(joinPresence);
    // Wait up to a certain number of seconds for a reply.
    Presence presence = (Presence) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
    // Stop queuing results
    response.cancel();
    if (presence == null) {
        throw new XMPPException("No response from server.");
    } else if (presence.getError() != null) {
        throw new XMPPException(presence.getError());
    }
    // Whether the room existed before or was created, the user has joined the room
    this.nickname = nickname;
    joined = true;
    userHasJoined();
    // Look for confirmation of room creation from the server
    MUCUser mucUser = getMUCUserExtension(presence);
    if (mucUser != null && mucUser.getStatus() != null) {
        if ("201".equals(mucUser.getStatus().getCode())) {
            // Room was created and the user has joined the room
            return;
        }
    }
    // We need to leave the room since it seems that the room already existed
    leave();
    throw new XMPPException("Creation failed - Missing acknowledge of room creation.");
}

Example 25 with PacketFilter

use of org.jivesoftware.smack.filter.PacketFilter in project ecf by eclipse.

the class MultiUserChat method changeRole.

private void changeRole(String nickname, String role, String reason) throws XMPPException {
    MUCAdmin iq = new MUCAdmin();
    iq.setTo(room);
    iq.setType(IQ.Type.SET);
    // Set the new role.
    MUCAdmin.Item item = new MUCAdmin.Item(null, role);
    item.setNick(nickname);
    item.setReason(reason);
    iq.addItem(item);
    // Wait for a response packet back from the server.
    PacketFilter responseFilter = new PacketIDFilter(iq.getPacketID());
    PacketCollector response = connection.createPacketCollector(responseFilter);
    // Send the change request to the server.
    connection.sendPacket(iq);
    // Wait up to a certain number of seconds for a reply.
    IQ answer = (IQ) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
    // Stop queuing results
    response.cancel();
    if (answer == null) {
        throw new XMPPException("No response from server.");
    } else if (answer.getError() != null) {
        throw new XMPPException(answer.getError());
    }
}