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

Example 26 with PacketFilter

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

the class MultiUserChat method sendRegistrationForm.

/**
 * Sends the completed registration form to the server. After the user successfully submits
 * the form, the room may queue the request for review by the room admins or may immediately
 * add the user to the member list by changing the user's affiliation from "none" to "member.<p>
 *
 * If the desired room nickname is already reserved for that room, the room will return a
 * "Conflict" error to the user (error code 409). If the room does not support registration,
 * it will return a "Service Unavailable" error to the user (error code 503).
 *
 * @param form the completed registration form.
 * @throws XMPPException if an error occurs submitting the registration form. In particular, a
 *      409 error can occur if the desired room nickname is already reserved for that room;
 *      or a 503 error can occur if the room does not support registration.
 */
public void sendRegistrationForm(Form form) throws XMPPException {
    Registration reg = new Registration();
    reg.setType(IQ.Type.SET);
    reg.setTo(room);
    reg.addExtension(form.getDataFormToSend());
    PacketFilter filter = new AndFilter(new PacketIDFilter(reg.getPacketID()), new PacketTypeFilter(IQ.class));
    PacketCollector collector = connection.createPacketCollector(filter);
    connection.sendPacket(reg);
    IQ result = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
    collector.cancel();
    if (result == null) {
        throw new XMPPException("No response from server.");
    } else if (result.getType() == IQ.Type.ERROR) {
        throw new XMPPException(result.getError());
    }
}

Example 27 with PacketFilter

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

the class MultiUserChat method changeSubject.

/**
 * Changes the subject within the room. As a default, only users with a role of "moderator"
 * are allowed to change the subject in a room. Although some rooms may be configured to
 * allow a mere participant or even a visitor to change the subject.
 *
 * @param subject the new room's subject to set.
 * @throws XMPPException if someone without appropriate privileges attempts to change the
 *          room subject will throw an error with code 403 (i.e. Forbidden)
 */
public void changeSubject(final String subject) throws XMPPException {
    Message message = new Message(room, Message.Type.groupchat);
    message.setSubject(subject);
    // Wait for an error or confirmation message back from the server.
    PacketFilter responseFilter = new AndFilter(new FromMatchesFilter(room), new PacketTypeFilter(Message.class));
    responseFilter = new AndFilter(responseFilter, new PacketFilter() {

        public boolean accept(Packet packet) {
            Message msg = (Message) packet;
            return subject.equals(msg.getSubject());
        }
    });
    PacketCollector response = connection.createPacketCollector(responseFilter);
    // Send change subject packet.
    connection.sendPacket(message);
    // Wait up to a certain number of seconds for a reply.
    Message answer = (Message) 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());
    }
}

Example 28 with PacketFilter

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

the class MultiUserChat method sendConfigurationForm.

/**
 * Sends the completed configuration form to the server. The room will be configured
 * with the new settings defined in the form. If the form is empty then the server
 * will create an instant room (will use default configuration).
 *
 * @param form the form with the new settings.
 * @throws XMPPException if an error occurs setting the new rooms' configuration.
 */
public void sendConfigurationForm(Form form) throws XMPPException {
    MUCOwner iq = new MUCOwner();
    iq.setTo(room);
    iq.setType(IQ.Type.SET);
    iq.addExtension(form.getDataFormToSend());
    // Filter packets looking for an answer from the server.
    PacketFilter responseFilter = new PacketIDFilter(iq.getPacketID());
    PacketCollector response = connection.createPacketCollector(responseFilter);
    // Send the completed configuration form 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());
    }
}

Example 29 with PacketFilter

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

the class MultiUserChat method getOccupants.

/**
 * Returns a collection of <code>Occupant</code> that have the specified room role.
 *
 * @param role the role of the occupant in the room.
 * @return a collection of <code>Occupant</code> that have the specified room role.
 * @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<Occupant> getOccupants(String role) throws XMPPException {
    MUCAdmin iq = new MUCAdmin();
    iq.setTo(room);
    iq.setType(IQ.Type.GET);
    // Set the specified role. This may request the list of moderators/participants.
    MUCAdmin.Item item = new MUCAdmin.Item(null, role);
    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 participants from the server's answer
    List<Occupant> participants = new ArrayList<Occupant>();
    for (Iterator<MUCAdmin.Item> it = answer.getItems(); it.hasNext(); ) {
        participants.add(new Occupant(it.next()));
    }
    return participants;
}

Example 30 with PacketFilter

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

the class MultiUserChat method join.

/**
 * Joins the chat room using the specified nickname and password. If already joined
 * using another nickname, this method will first leave the room and then
 * re-join using the new nickname.<p>
 *
 * To control the amount of history to receive while joining a room you will need to provide
 * a configured DiscussionHistory object.<p>
 *
 * A password is required when joining password protected rooms. If the room does
 * not require a password there is no need to provide one.<p>
 *
 * If the room does not already exist when the user seeks to enter it, the server will
 * decide to create a new room or not.
 *
 * @param nickname the nickname to use.
 * @param password the password to use.
 * @param history the amount of discussion history to receive while joining a room.
 * @param timeout the amount of time to wait for a reply from the MUC service(in milleseconds).
 * @throws XMPPException if an error occurs joining the room. In particular, a
 *      401 error can occur if no password was provided and one is required; or a
 *      403 error can occur if the user is banned; or a
 *      404 error can occur if the room does not exist or is locked; or a
 *      407 error can occur if user is not on the member list; or a
 *      409 error can occur if someone is already in the group chat with the same nickname.
 */
public synchronized void join(String nickname, String password, DiscussionHistory history, long timeout) throws XMPPException {
    if (nickname == null || nickname.equals("")) {
        throw new IllegalArgumentException("Nickname must not be null or blank.");
    }
    // nickname.
    if (joined) {
        leave();
    }
    // We join a room by sending a presence packet where the "to"
    // field is in the form "roomName@service/nickname"
    Presence joinPresence = new Presence(Presence.Type.available);
    joinPresence.setTo(room + "/" + nickname);
    // Indicate the the client supports MUC
    MUCInitialPresence mucInitialPresence = new MUCInitialPresence();
    if (password != null) {
        mucInitialPresence.setPassword(password);
    }
    if (history != null) {
        mucInitialPresence.setHistory(history.getMUCHistory());
    }
    joinPresence.addExtension(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 = null;
    Presence presence;
    try {
        response = connection.createPacketCollector(responseFilter);
        // Send join packet.
        connection.sendPacket(joinPresence);
        // Wait up to a certain number of seconds for a reply.
        presence = (Presence) response.nextResult(timeout);
    } finally {
        // Stop queuing results
        if (response != null) {
            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;
    joined = true;
    userHasJoined();
}