Java Code Examples for org.jivesoftware.smack.packet.IQ#getType()

/**
 * Removes a roster entry from the roster. The roster entry will also be removed from the
 * unfiled entries or from any roster group where it could belong and will no longer be part
 * of the roster. Note that this is an asynchronous call -- Smack must wait for the server
 * to send an updated subscription status.
 *
 * @param entry a roster entry.
 * @throws XMPPException if an XMPP error occurs.
 */
public void removeEntry(RosterEntry entry) throws XMPPException {
    // Only remove the entry if it's in the entry list.
    // The actual removal logic takes place in RosterPacketListenerprocess>>Packet(Packet)
    if (!entries.containsKey(entry.getUser())) {
        return;
    }
    RosterPacket packet = new RosterPacket();
    packet.setType(IQ.Type.SET);
    RosterPacket.Item item = RosterEntry.toRosterItem(entry);
    // Set the item type as REMOVE so that the server will delete the entry
    item.setItemType(RosterPacket.ItemType.remove);
    packet.addRosterItem(item);
    PacketCollector collector = connection.createPacketCollector(
            new PacketIDFilter(packet.getPacketID()));
    connection.sendPacket(packet);
    IQ response = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
    collector.cancel();
    if (response == null) {
        throw new XMPPException("No response from the server.");
    }
    // If the server replied with an error, throw an exception.
    else if (response.getType() == IQ.Type.ERROR) {
        throw new XMPPException(response.getError());
    }
}
 

public String authenticateAnonymously() throws XMPPException {
    // Create the authentication packet we'll send to the server.
    Authentication auth = new Authentication();

    PacketCollector collector =
        connection.createPacketCollector(new PacketIDFilter(auth.getPacketID()));
    // Send the packet.
    connection.sendPacket(auth);
    // Wait up to a certain number of seconds for a response from the server.
    IQ response = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
    if (response == null) {
        throw new XMPPException("Anonymous login failed.");
    }
    else if (response.getType() == IQ.Type.ERROR) {
        throw new XMPPException(response.getError());
    }
    // We're done with the collector, so explicitly cancel it.
    collector.cancel();

    if (response.getTo() != null) {
        return response.getTo();
    }
    else {
        return connection.getServiceName() + "/" + ((Authentication) response).getResource();
    }
}
 

/**
 * Deletes the currently logged-in account from the server. This operation can only
 * be performed after a successful login operation has been completed. Not all servers
 * support deleting accounts; an XMPPException will be thrown when that is the case.
 *
 * @throws IllegalStateException if not currently logged-in to the server.
 * @throws org.jivesoftware.smack.XMPPException if an error occurs when deleting the account.
 */
public void deleteAccount() throws XMPPException {
    if (!connection.isAuthenticated()) {
        throw new IllegalStateException("Must be logged in to delete a account.");
    }
    Registration reg = new Registration();
    reg.setType(IQ.Type.SET);
    reg.setTo(connection.getServiceName());
    // To delete an account, we set remove to true
    reg.setRemove(true);
    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());
    // Stop queuing results
    collector.cancel();
    if (result == null) {
        throw new XMPPException("No response from server.");
    }
    else if (result.getType() == IQ.Type.ERROR) {
        throw new XMPPException(result.getError());
    }
}
 

@Override
protected void sendStanzaInternal(Stanza packet) {
    super.sendStanzaInternal(packet);

    if (packet instanceof IQ && !timeout) {
        timeout = false;
        // Set reply packet to match one being sent. We haven't started the
        // other thread yet so this is still safe.
        IQ replyPacket = replyQ.peek();

        // If no reply has been set via addIQReply, then we create a simple reply
        if (replyPacket == null) {
            replyPacket = IQ.createResultIQ((IQ) packet);
            replyQ.add(replyPacket);
        }
        replyPacket.setStanzaId(packet.getStanzaId());
        replyPacket.setTo(packet.getFrom());
        if (replyPacket.getType() == null) {
            replyPacket.setType(Type.result);
        }

        new ProcessQueue(replyQ).start();
    }
}
 

/**
 * Removes a roster entry from this group. If the entry does not belong to any other group 
 * then it will be considered as unfiled, therefore it will be added to the list of unfiled 
 * entries.
 * Note that this is an asynchronous call -- Smack must wait for the server
 * to receive the updated roster.
 *
 * @param entry a roster entry.
 * @throws XMPPException if an error occured while trying to remove the entry from the group. 
 */
public void removeEntry(RosterEntry entry) throws XMPPException {
    PacketCollector collector = null;
    // Only remove the entry if it's in the entry list.
    // Remove the entry locally, if we wait for RosterPacketListenerprocess>>Packet(Packet)
    // to take place the entry will exist in the group until a packet is received from the 
    // server.
    synchronized (entries) {
        if (entries.contains(entry)) {
            RosterPacket packet = new RosterPacket();
            packet.setType(IQ.Type.SET);
            RosterPacket.Item item = RosterEntry.toRosterItem(entry);
            item.removeGroupName(this.getName());
            packet.addRosterItem(item);
            // Wait up to a certain number of seconds for a reply from the server.
            collector = connection
                    .createPacketCollector(new PacketIDFilter(packet.getPacketID()));
            connection.sendPacket(packet);
        }
    }
    if (collector != null) {
        IQ response = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
        collector.cancel();
        if (response == null) {
            throw new XMPPException("No response from the server.");
        }
        // If the server replied with an error, throw an exception.
        else if (response.getType() == IQ.Type.ERROR) {
            throw new XMPPException(response.getError());
        }
    }
}
 

/**
 * 注册
 * 
 * @param account 注册帐号
 * @param password 注册密码
 * @return 0、 服务器没有返回结果<br>
 *         1、注册成功 <br>
 *         2、这个帐号已经存在 <br>
 *         3、注册失败
 */
public String regist(String account, String password) {
	if (!isConnected()) {
		return "0";
	}
	Registration reg = new Registration();
	reg.setType(IQ.Type.SET);
	reg.setTo(getConnection().getServiceName());
	reg.setUsername(account);
	reg.setPassword(password);
	reg.addAttribute("android", "geolo_createUser_android");

	//数据包过滤器
	PacketFilter filter = new AndFilter(new PacketIDFilter(reg.getPacketID()), new PacketTypeFilter(IQ.class));
	PacketCollector collector = getConnection().createPacketCollector(filter);
	getConnection().sendPacket(reg);

	IQ result = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
	//停止请求result(是否成功的结果)
	collector.cancel();
	if (result == null) {
		L.e(LOGTAG, "No response from server.");
		return "0";
	} else if (result.getType() == IQ.Type.RESULT) {
		return "1";
	} else {
		if (result.getError().toString().equalsIgnoreCase("conflict(409)")) {
			L.e(LOGTAG, "IQ.Type.ERROR: " + result.getError().toString());
			return "2";
		} else {
			L.e(LOGTAG, "IQ.Type.ERROR: " + result.getError().toString());
			return "3";
		}
	}
}
 

/**
 * 注册
 * 
 * @param account 注册帐号
 * @param password 注册密码
 * @return 1、注册成功 0、服务器没有返回结果2、这个账号已经存在3、注册失败
 */
public String regist(String account, String password) {
	if (getConnection() == null)
		return "0";
	Registration reg = new Registration();
	reg.setType(IQ.Type.SET);
	reg.setTo(getConnection().getServiceName());
	// 注意这里createAccount注册时，参数是UserName，不是jid，是"@"前面的部分。
	reg.setUsername(account);
	reg.setPassword(password);
	// 这边addAttribute不能为空，否则出错。所以做个标志是android手机创建的吧！！！！！
	reg.addAttribute("android", "geolo_createUser_android");
	PacketFilter filter = new AndFilter(new PacketIDFilter(reg.getPacketID()), new PacketTypeFilter(IQ.class));
	PacketCollector collector = getConnection().createPacketCollector(filter);
	getConnection().sendPacket(reg);
	IQ result = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
	// Stop queuing results停止请求results（是否成功的结果）
	collector.cancel();
	if (result == null) {
		Log.e("regist", "No response from server.");
		return "0";
	} else if (result.getType() == IQ.Type.RESULT) {
		Log.v("regist", "regist success.");
		return "1";
	} else { // if (result.getType() == IQ.Type.ERROR)
		if (result.getError().toString().equalsIgnoreCase("conflict(409)")) {
			Log.e("regist", "IQ.Type.ERROR: " + result.getError().toString());
			return "2";
		} else {
			Log.e("regist", "IQ.Type.ERROR: " + result.getError().toString());
			return "3";
		}
	}
}
 

@Override
public void onSuccess(IQ packet) {
    LOGGER.info("response: "+packet);

    mConn.disconnect();

    if (!(packet instanceof IQ)) {
        LOGGER.warning("response not an IQ packet");
        finish(null);
        return;
    }
    IQ iq = (IQ) packet;

    if (iq.getType() != IQ.Type.result) {
        LOGGER.warning("ignoring response with IQ type: "+iq.getType());
        this.finish(null);
        return;
    }

    DataForm response = iq.getExtension(DataForm.ELEMENT, DataForm.NAMESPACE);
    if (response == null) {
        this.finish(null);
        return;
    }

    String token = null;
    List<FormField> fields = response.getFields();
    for (FormField field : fields) {
        if ("token".equals(field.getVariable())) {
            token = field.getValues().get(0).toString();
            break;
        }
    }

    this.finish(token);
}
 

@Override
public void onSuccess(IQ packet) {
    LOGGER.info("response: "+packet);

    IQ p = (IQ) packet;

    if (p.getType() != IQ.Type.result) {
        LOGGER.warning("ignoring response with IQ type: "+p.getType());
        return;
    }

    mControl.onContactBlocked(mJID, mBlocking);
}
 

public boolean register(String user, String pass) {
    Log.i(LOG_TAG, "RegisterTask.run()...");

    if (xmppManager.isRegistered()) {
        Log.i(LOG_TAG, "Account registered already");
        return true;
    }

    final Registration registration = new Registration();

    PacketFilter packetFilter = new AndFilter(new PacketIDFilter(
            registration.getPacketID()), new PacketTypeFilter(
            IQ.class));

    PacketCollector collector = xmppManager.getConnection().createPacketCollector(packetFilter);
    registration.setType(IQ.Type.SET);
    registration.addAttribute("username", user);
    registration.addAttribute("password", pass);
    if (xmppManager.getConnection().isConnected()) {
        xmppManager.getConnection().sendPacket(registration);
        IQ result = (IQ) collector.nextResult(REGISTER_TIME_OUT);
        collector.cancel();
        if(result == null) {
            Log.d(LOG_TAG, "The server didn't return result after 60 seconds.");
            return false;
        } else if (result.getType() == IQ.Type.ERROR) {
            if(result.getError().toString().contains("409")) {
                return true;
            } else {
                return false;
            }
        } else if (result.getType() == IQ.Type.RESULT) {
            return true;
        }
        return false;
    } else {
        Log.d(LOG_TAG, "connection is not connected");
        return false;
    }
}
 

/**
 * Check that the server responds a 503 error code when the client sends an IQ stanza with an
 * invalid namespace.
 */
public void testInvalidNamespace() {
    IQ iq = new IQ() {
        public String getChildElementXML() {
            StringBuilder buf = new StringBuilder();
            buf.append("<query xmlns=\"jabber:iq:anything\">");
            buf.append("</query>");
            return buf.toString();
        }
    };

    PacketFilter filter = new AndFilter(new PacketIDFilter(iq.getStanzaId()),
            new StanzaTypeFilter(IQ.class));
    StanzaCollector collector = getConnection(0).createStanzaCollector(filter);
    // Send the iq packet with an invalid namespace
    getConnection(0).sendStanza(iq);

    IQ result = (IQ)collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
    // Stop queuing results
    collector.cancel();
    if (result == null) {
        fail("No response from server");
    }
    else if (result.getType() != IQ.Type.error) {
        fail("The server didn't reply with an error packet");
    }
    else {
        assertEquals("Server answered an incorrect error code", 503, result.getError().getCode());
    }
}
 

/**
 * Creates a new account using the specified username, password and account attributes.
 * The attributes Map must contain only String name/value pairs and must also have values
 * for all required attributes.
 *
 * @param username the username.
 * @param password the password.
 * @param attributes the account attributes.
 * @throws org.jivesoftware.smack.XMPPException if an error occurs creating the account.
 * @see #getAccountAttributes()
 */
public void createAccount(String username, String password, Map<String, String> attributes)
        throws XMPPException
{
    if (!supportsAccountCreation()) {
        throw new XMPPException("Server does not support account creation.");
    }
    Registration reg = new Registration();
    reg.setType(IQ.Type.SET);
    reg.setTo(connection.getServiceName());
    reg.setUsername(username);
    reg.setPassword(password);
    for(String s : attributes.keySet()){
    	reg.addAttribute(s, attributes.get(s));
    }
    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());
    // Stop queuing results
    collector.cancel();
    if (result == null) {
        throw new XMPPException("No response from server.");
    }
    else if (result.getType() == IQ.Type.ERROR) {
        throw new XMPPException(result.getError());
    }
}
 

/**
 * Adds a roster entry to this group. If the entry was unfiled then it will be removed from 
 * the unfiled list and will be added to this group.
 * Note that this is an asynchronous call -- Smack must wait for the server
 * to receive the updated roster.
 *
 * @param entry a roster entry.
 * @throws XMPPException if an error occured while trying to add the entry to the group.
 */
public void addEntry(RosterEntry entry) throws XMPPException {
    PacketCollector collector = null;
    // Only add the entry if it isn't already in the list.
    synchronized (entries) {
        if (!entries.contains(entry)) {
            RosterPacket packet = new RosterPacket();
            packet.setType(IQ.Type.SET);
            RosterPacket.Item item = RosterEntry.toRosterItem(entry);
            item.addGroupName(getName());
            packet.addRosterItem(item);
            // Wait up to a certain number of seconds for a reply from the server.
            collector = connection
                    .createPacketCollector(new PacketIDFilter(packet.getPacketID()));
            connection.sendPacket(packet);
        }
    }
    if (collector != null) {
        IQ response = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
        collector.cancel();
        if (response == null) {
            throw new XMPPException("No response from the server.");
        }
        // If the server replied with an error, throw an exception.
        else if (response.getType() == IQ.Type.ERROR) {
            throw new XMPPException(response.getError());
        }
    }
}
 

/**
 * Removes a roster entry from the roster. The roster entry will also be removed from the unfiled
 * entries or from any roster group where it could belong and will no longer be part of the
 * roster. Note that this is an asynchronous call -- Smack must wait for the server to send an
 * updated subscription status.
 *
 * @param entry a roster entry.
 * @throws XMPPException if an XMPP error occurs.
 * @throws IllegalStateException if connection is not logged in or logged in anonymously
 */
public void removeEntry(RosterEntry entry) throws XMPPException {
  if (!connection.isAuthenticated()) {
    throw new IllegalStateException("Not logged in to server.");
  }
  if (connection.isAnonymous()) {
    throw new IllegalStateException("Anonymous users can't have a roster.");
  }

  // Only remove the entry if it's in the entry list.
  // The actual removal logic takes place in
  // RosterPacketListenerprocess>>Packet(Packet)
  if (!entries.containsKey(entry.getUser())) {
    return;
  }
  RosterPacket packet = new RosterPacket();
  packet.setType(IQ.Type.SET);
  RosterPacket.Item item = RosterEntry.toRosterItem(entry);
  // Set the item type as REMOVE so that the server will delete the entry
  item.setItemType(RosterPacket.ItemType.remove);
  packet.addRosterItem(item);
  PacketCollector collector =
      connection.createPacketCollector(new PacketIDFilter(packet.getPacketID()));
  connection.sendPacket(packet);
  IQ response = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
  collector.cancel();
  if (response == null) {
    throw new XMPPException("No response from the server.");
  }
  // If the server replied with an error, throw an exception.
  else if (response.getType() == IQ.Type.ERROR) {
    throw new XMPPException(response.getError());
  }
}
 

/**
 * Creates a new roster entry and presence subscription. The server will asynchronously update the
 * roster with the subscription status.
 *
 * @param user the user. (e.g. [email protected])
 * @param name the nickname of the user.
 * @param groups the list of group names the entry will belong to, or <tt>null</tt> if the the
 *     roster entry won't belong to a group.
 * @throws XMPPException if an XMPP exception occurs.
 * @throws IllegalStateException if connection is not logged in or logged in anonymously
 */
public void createEntry(String user, String name, String[] groups) throws XMPPException {
  if (!connection.isAuthenticated()) {
    throw new IllegalStateException("Not logged in to server.");
  }
  if (connection.isAnonymous()) {
    throw new IllegalStateException("Anonymous users can't have a roster.");
  }

  // Create and send roster entry creation packet.
  RosterPacket rosterPacket = new RosterPacket();
  rosterPacket.setType(IQ.Type.SET);
  RosterPacket.Item item = new RosterPacket.Item(user, name);
  if (groups != null) {
    for (String group : groups) {
      if (group != null && group.trim().length() > 0) {
        item.addGroupName(group);
      }
    }
  }
  rosterPacket.addRosterItem(item);
  // Wait up to a certain number of seconds for a reply from the server.
  PacketCollector collector =
      connection.createPacketCollector(new PacketIDFilter(rosterPacket.getPacketID()));
  connection.sendPacket(rosterPacket);
  IQ response = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
  collector.cancel();
  if (response == null) {
    throw new XMPPException("No response from the server.");
  }
  // If the server replied with an error, throw an exception.
  else if (response.getType() == IQ.Type.ERROR) {
    throw new XMPPException(response.getError());
  }

  // Create a presence subscription packet and send.
  Presence presencePacket = new Presence(Presence.Type.subscribe);
  presencePacket.setTo(user);
  connection.sendPacket(presencePacket);
}
 

private boolean sendPacket(final IQ packet) {
    final XMPPConnection con = adminUser.getConnection();
    try {
        packet.setFrom(con.getUser());
        final PacketCollector collector = con.createPacketCollector(new PacketIDFilter(packet.getPacketID()));
        con.sendPacket(packet);
        final IQ response = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
        collector.cancel();

        if (response == null) {
            log.error("Error while trying to create/delete group at IM server. Response was null! packet type: " + packet.getClass());
            return false;
        }
        if (response.getError() != null) {
            if (response.getError().getCode() == 409) {
                // 409 -> conflict / group already exists
                return true;
            } else if (response.getError().getCode() == 404) {
                // 404 -> not found, does not matter when trying to delete
                return true;
            }
            log.error("Error while trying to create/delete group at IM server. " + response.getError().getMessage());
            return false;
        } else if (response.getType() == IQ.Type.ERROR) {
            log.error("Error while trying to create/delete group at IM server");
            return false;
        }
        return true;
    } catch (final RuntimeException e) {
        log.error("Error while trying to create/delete group at IM server");
        return false;
    }
}
 

public void run() {
    Log.i(LOGTAG, "RegisterTask.run()...");

    if (!xmppManager.isRegistered()) {
        newUsername = username;
        if (username.isEmpty()){ newUsername = newRandomUUID(); }
        newPassword = password;
        if (password.isEmpty()) { newPassword = newRandomUUID(); }

        Registration registration = new Registration();

        PacketFilter packetFilter = new AndFilter(new PacketIDFilter(
                registration.getPacketID()), new PacketTypeFilter(
                IQ.class));

        PacketListener packetListener = new PacketListener() {

            public void processPacket(Packet packet) {
                Log.d("RegisterTask.PcktLstnr",
                        "processPacket().....");
                Log.d("RegisterTask.PcktLstnr", "packet="
                        + packet.toXML());

                if (packet instanceof IQ) {
                    IQ response = (IQ) packet;
                    if (response.getType() == IQ.Type.ERROR) {
                        if (!response.getError().toString().contains(
                                "409")) {
                            Log.e(LOGTAG,
                                    "Unknown error while registering XMPP account! "
                                            + response.getError()
                                                    .getCondition());
                        }
                    } else if (response.getType() == IQ.Type.RESULT) {
                        xmppManager.setUsername(newUsername);
                        xmppManager.setPassword(newPassword);
                        Log.d(LOGTAG, "username=" + newUsername);
                        Log.d(LOGTAG, "password=" + newPassword);

                        Editor editor = sharedPrefs.edit();
                        editor.putString(Constants.XMPP_REGISTERED, "true");
                        editor.remove(Constants.XMPP_USERNAME);
                        editor.remove(Constants.XMPP_PASSWORD);
                        editor.putString(Constants.XMPP_USERNAME,
                                newUsername);
                        editor.putString(Constants.XMPP_PASSWORD,
                                newPassword);
                        editor.apply();
                        Log
                                .i(LOGTAG,
                                        "Account registered successfully");
                        xmppManager.runTask();
                    }
                }
            }
        };

        connection.addPacketListener(packetListener, packetFilter);

        registration.setType(IQ.Type.SET);
        registration.setTo(xmppHost);
        Map<String, String> attributes = new HashMap<String, String>();
        attributes.put("username", newUsername);
        attributes.put("password", newPassword);
        if (!email.isEmpty()) {
            attributes.put("email", email);
        }
        if (!name.isEmpty()) {
            attributes.put("name", name);
        }
        registration.setAttributes(attributes);
        //registration.setAttributes();

        //registration.addAttribute("username", newUsername);
        //registration.addAttribute("password", newPassword);
        connection.sendPacket(registration);

    } else {
        Log.i(LOGTAG, "Account registered already");
        xmppManager.runTask();
    }
}
 

private String bindResourceAndEstablishSession(String resource) throws XMPPException {
    // Wait until server sends response containing the <bind> element
    synchronized (this) {
        long endTime = System.currentTimeMillis() + 30000;
        while (!resourceBinded && (System.currentTimeMillis() < endTime)) {
            try {
                wait(Math.abs(System.currentTimeMillis() - endTime));
            }
            catch (InterruptedException e) {
                // Ignore
            }
        }
    }

    if (!resourceBinded) {
        // Server never offered resource binding
        throw new XMPPException("Resource binding not offered by server");
    }

    Bind bindResource = new Bind();
    bindResource.setResource(resource);

    PacketCollector collector = connection
            .createPacketCollector(new PacketIDFilter(bindResource.getPacketID()));
    // Send the packet
    connection.sendPacket(bindResource);
    // Wait up to a certain number of seconds for a response from the server.
    Bind response = (Bind) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
    collector.cancel();
    if (response == null) {
        throw new XMPPException("No response from the server.");
    }
    // If the server replied with an error, throw an exception.
    else if (response.getType() == IQ.Type.ERROR) {
        throw new XMPPException(response.getError());
    }
    String userJID = response.getJid();

    if (sessionSupported) {
        Session session = new Session();
        collector = connection.createPacketCollector(new PacketIDFilter(session.getPacketID()));
        // Send the packet
        connection.sendPacket(session);
        // Wait up to a certain number of seconds for a response from the server.
        IQ ack = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
        collector.cancel();
        if (ack == null) {
            throw new XMPPException("No response from the server.");
        }
        // If the server replied with an error, throw an exception.
        else if (ack.getType() == IQ.Type.ERROR) {
            throw new XMPPException(ack.getError());
        }
    }
    else {
        // Server never offered session establishment
        throw new XMPPException("Session establishment not offered by server");
    }
    return userJID;
}
 

private boolean changePushNotificationsStatus(IQ iq)
        throws NotConnectedException, InterruptedException, NoResponseException, XMPPErrorException {
    final XMPPConnection connection = connection();
    IQ responseIQ = connection.createStanzaCollectorAndSend(iq).nextResultOrThrow();
    return responseIQ.getType() != Type.error;
}
 

public void run() {
    Log.i(LOGTAG, "RegisterTask.run()...");

    if (!xmppManager.isRegistered()) {
        final String newUsername = newRandomUUID();
        final String newPassword = newRandomUUID();
        //客户端发送到服务器注册的数据包，Packet的子类
        Registration registration = new Registration();

        /**
         * 数据包的ID和类型的过滤器
         */
        PacketFilter packetFilter = new AndFilter(new PacketIDFilter(
                registration.getPacketID()), new PacketTypeFilter(
                IQ.class));
        /**
         * 数据包的监听
         */
        PacketListener packetListener = new PacketListener() {

            public void processPacket(Packet packet) {
                Log.d("RegisterTask.PacketListener",
                        "processPacket().....");
                Log.d("RegisterTask.PacketListener", "packet="
                        + packet.toXML());
                //服务器回复客户端
                if (packet instanceof IQ) {
                    IQ response = (IQ) packet;
                    if (response.getType() == IQ.Type.ERROR) {		//注册失败
                        if (!response.getError().toString().contains(
                                "409")) {
                            Log.e(LOGTAG,
                                    "Unknown error while registering XMPP account! "
                                            + response.getError()
                                                    .getCondition());
                        }
                    } else if (response.getType() == IQ.Type.RESULT) {  //注册成功
                        xmppManager.setUsername(newUsername);
                        xmppManager.setPassword(newPassword);
                        Log.d(LOGTAG, "username=" + newUsername);
                        Log.d(LOGTAG, "password=" + newPassword);
                        //把用户名和密码保存到共享引用
                        Editor editor = sharedPrefs.edit();
                        editor.putString(Constants.XMPP_USERNAME,
                                newUsername);
                        editor.putString(Constants.XMPP_PASSWORD,
                                newPassword);
                        editor.commit();
                        Log.i(LOGTAG,
                        		"Account registered successfully");
                        xmppManager.runTask();
                    }
                }
            }
        };
        // 给注册的Packet设置Listener，因为只有等到正真注册成功后，我们才可以交流  
        connection.addPacketListener(packetListener, packetFilter);

        registration.setType(IQ.Type.SET);
        // registration.setTo(xmppHost);
        // Map<String, String> attributes = new HashMap<String, String>();
        // attributes.put("username", rUsername);
        // attributes.put("password", rPassword);
        // registration.setAttributes(attributes);
        registration.addAttribute("username", newUsername);
        registration.addAttribute("password", newPassword);
        
        registration.addAttribute("imsi", "460000001232300");
        registration.addAttribute("imei", "324234343434434");
        
        // 向服务器端，发送注册Packet包，注意其中Registration是Packet的子类 
        connection.sendPacket(registration);

    } else {
        Log.i(LOGTAG, "Account registered already");
        xmppManager.runTask();
    }
}