/**
 * Changes the password of the currently logged-in account. This operation can only
 * be performed after a successful login operation has been completed. Not all servers
 * support changing passwords; 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 changing the password.
 */
public void changePassword(String newPassword) throws XMPPException {
    Registration reg = new Registration();
    reg.setType(IQ.Type.SET);
    reg.setTo(connection.getServiceName());
    reg.setUsername(StringUtils.parseName(connection.getUser()));
    reg.setPassword(newPassword);
    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());
    }
}
 

/**
 * 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());
    }
}
 

/**
 * Gets the account registration info from the server.
 *
 * @throws org.jivesoftware.smack.XMPPException if an error occurs.
 */
private synchronized void getRegistrationInfo() throws XMPPException {
    Registration reg = new Registration();
    reg.setTo(connection.getServiceName());
    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());
    }
    else {
        info = (Registration)result;
    }
}
 

/**
 * 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());
    }
}
 

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;
    }
}
 

/**
 * 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";
		}
	}
}
 

/**
 * 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";
		}
	}
}
 

/**
 * Creates the given account on the given XMPP server.
 *
 * @blocking
 * @param server the server on which to create the account
 * @param username for the new account
 * @param password for the new account
 * @return <code>null</code> if the account was registered, otherwise a {@link Registration
 *     description} is returned which may containing additional information on how to register an
 *     account on the given XMPP server or an error code
 * @see Registration#getError()
 * @throws XMPPException exception that occurs while registering
 */
public static Registration createAccount(String server, String username, String password)
    throws XMPPException {

  Connection connection = new XMPPConnection(server);

  try {
    connection.connect();

    Registration registration = getRegistrationInfo(connection, username);

    /*
     * TODO registration cannot be null, can it?
     */
    if (registration != null) {

      // no in band registration
      if (registration.getError() != null) return registration;

      // already registered
      if (registration.getAttributes().containsKey("registered")) return registration;

      // redirect
      if (registration.getAttributes().size() == 1
          && registration.getAttributes().containsKey("instructions")) return registration;
    }

    AccountManager manager = connection.getAccountManager();
    manager.createAccount(username, password);
  } finally {
    connection.disconnect();
  }

  return null;
}
 

/**
 * 注册。网络操作不可以在主线程中进行。多线程无法等待return，所以必须使用Handler
 *
 * @param account  登陆账户
 * @param password 登录密码
 * @param handler  处理信息的Handler
 */
public void regist(final String account, final String password, final Handler handler) {
    new Thread(){
        @Override
        public void run() {
            //如果无法连接服务器，Handle Error
            if (getConnection() == null) {
                Log.e("------->", "ERROR");
                handler.sendEmptyMessage(ERROR);
                return;
            }

            //如果已经是登录状态，Handle Failure
            if (getConnection().isAuthenticated()) {
                Log.e("------->", "hasAuthenticated");
                handler.sendEmptyMessage(FAILURE);
                return;
            }

            //如果状态正常则配置注册信息
            Registration reg = new Registration();
            reg.setType(IQ.Type.SET);
            reg.setTo(getConnection().getServiceName());
            reg.setUsername(account);
            reg.setPassword(password);
            reg.addAttribute("H-S-A-2015", "ThronBird");

            //配置Filter过滤器，注明包ID信息
            PacketFilter filter = new AndFilter(
                    new PacketIDFilter(reg.getPacketID()),
                    new PacketTypeFilter(IQ.class));

            //用Filter过滤器配置Collector接受器以便接受信息，并发送封包
            PacketCollector collector =
                    getConnection().createPacketCollector(filter);
            getConnection().sendPacket(reg);

            //等待信息，注明超时时间
            IQ result = (IQ) collector.nextResult(
                    SmackConfiguration.getPacketReplyTimeout());

            //接收到信息就可以取消掉Collector了，处理接受的信息
            collector.cancel();
            if(result == null) {
                handler.sendEmptyMessage(ERROR);
                return;
            }

            if(result.getType() == IQ.Type.RESULT) {
                handler.sendEmptyMessage(SUCCESS);
                return;
            }

            //以上是超时或者成功的情况，一下是失败的情况（已有/失败）
            if(result.getError().toString().equalsIgnoreCase("conflict(409)")) {
                handler.sendEmptyMessage(EXIST);
                return;
            }

            handler.sendEmptyMessage(FAILURE);

        }
    }.run();
}
 

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();
    }
}
 

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();
    }
}