iOS开发之使用XMPPFramework实现即时通信(二)

    //创建xmppstream
    self.xmppStream = [[XMPPStream alloc]init];

1   //创建重写连接组件
2     xmppReconnect= [[XMPPReconnect alloc] init];
3     //使组件生效
4     [xmppReconnect activate:self.xmppStream];

1     //创建消息保存策略（规则，规定）
2     messageStorage = [XMPPMessageArchivingCoreDataStorage sharedInstance];
3     //用消息保存策略创建消息保存组件
4     xmppMessageArchiving = [[XMPPMessageArchiving alloc]initWithMessageArchivingStorage:messageStorage];
5     //使组件生效
6     [xmppMessageArchiving activate:self.xmppStream];
7     //提取消息保存组件的coreData上下文
8     self.xmppManagedObjectContext = messageStorage.mainThreadManagedObjectContext;

1     xmppRosterStorage = [[XMPPRosterCoreDataStorage alloc] init];
2     xmppRoster = [[XMPPRoster alloc] initWithRosterStorage:xmppRosterStorage];
3     //自动获取用户列表
4     xmppRoster.autoFetchRoster = YES;
5     xmppRoster.autoAcceptKnownPresenceSubscriptionRequests = YES;
6     
7     [xmppRoster activate:self.xmppStream];
8     self.xmppRosterManagedObjectContext = xmppRosterStorage.mainThreadManagedObjectContext;

 1 -(void) initXmpp
 2 {
 3     //获取应用的xmppSteam(通过Application中的单例获取)
 4     UIApplication *application = [UIApplication sharedApplication];
 5     id delegate = [application delegate];
 6     self.xmppStream = [delegate xmppStream];
 7     
 8     //注册回调
 9     [self.xmppStream addDelegate:self delegateQueue:dispatch_get_main_queue()];
10 }

 1 //连接服务器
 2 -(void) xmppConnect
 3 {
 4     if (![self.userNameTextFiled.text isEqualToString:@""] && self.userNameTextFiled.text != nil)
 5     {
 6         //1.创建JID
 7         XMPPJID *jid = [XMPPJID jidWithUser:self.userNameTextFiled.text domain:MY_DOMAIN resource:@"iPhone"];
 8         
 9         //2.把JID添加到xmppSteam中
10         [self.xmppStream setMyJID:jid];
11         
12         //连接服务器
13         NSError *error = nil;
14         [self.xmppStream connectWithTimeout:10 error:&error];
15         if (error)
16         {
17             NSLog(@"连接出错：%@",[error localizedDescription]);
18         }
19 
20     }
21     else
22     {
23         UIAlertView *alter = [[UIAlertView alloc] initWithTitle:@"提示" message:@"用户名不能为空" delegate:nil cancelButtonTitle:@"取消" otherButtonTitles:nil];
24         [alter show];
25     }
26 }

 1 //连接后的回调
 2 -(void)xmppStreamDidConnect:(XMPPStream *)sender
 3 {
 4     if (![self.passwordTextFiled.text isEqualToString:@""] && self.passwordTextFiled.text != nil)
 5     {
 6         //连接成功后认证用户名和密码
 7         NSError *error = nil;
 8         [self.xmppStream authenticateWithPassword:self.passwordTextFiled.text error:&error];
 9         if (error)
10         {
11             NSLog(@"认证错误：%@",[error localizedDescription]);
12         }
13     }
14     else
15     {
16         UIAlertView *alter = [[UIAlertView alloc] initWithTitle:@"提示" message:@"密码不能为空" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:nil];
17         [alter show];
18     }
19 }

 1 //认证成功后的回调
 2 -(void)xmppStreamDidAuthenticate:(XMPPStream *)sender
 3 {
 4     NSLog(@"登陆成功");
 5     
 6     //密码进入userDefault
 7     NSUserDefaults *userDefult = [NSUserDefaults standardUserDefaults];
 8     [userDefult setObject:self.userNameTextFiled.text forKey:@"username"];
 9     [userDefult setObject:self.passwordTextFiled.text forKey:@"password"];
10     
11     //设置在线状态
12     XMPPPresence * pre = [XMPPPresence presence];
13     [self.xmppStream sendElement:pre];
14     
15     UIStoryboard *storybard = [UIStoryboard storyboardWithName:@"Main" bundle:[NSBundle mainBundle]];
16     UIViewController *viewController = [storybard instantiateViewControllerWithIdentifier:@"mainController"];
17     [self presentViewController:viewController animated:YES completion:^{
18     }];
19 }

1 //认证失败的回调
2 -(void)xmppStream:sender didNotAuthenticate:(DDXMLElement *)error
3 {
4     NSLog(@"认证失败");
5 }

 1    // 如果已登录就直接填充密码登陆
 2     NSUserDefaults *userDefult = [NSUserDefaults standardUserDefaults];
 3     
 4     NSString *userName = [userDefult objectForKey:@"username"];
 5     NSString *password = [userDefult objectForKey:@"password"];
 6     NSLog(@"%@,%@",userName,password);
 7     if (userName != nil && password != nil && ![userName isEqualToString:@""] && ![password isEqualToString:@""])
 8     {
 9         self.userNameTextFiled.text = userName;
10         self.passwordTextFiled.text = password;
11         [self xmppConnect];
12     }

1     //获取Roster的上下文
2     UIApplication *application = [UIApplication sharedApplication];
3     id delegate = [application delegate];
4     self.xmppRosterManagedObjectContext = [delegate xmppRosterManagedObjectContext];

1     //从CoreData中获取数据
2     //通过实体获取FetchRequest实体
3     NSFetchRequest *request = [[NSFetchRequest alloc] initWithEntityName:NSStringFromClass([XMPPUserCoreDataStorageObject class])];
4     //添加排序规则
5     NSSortDescriptor * sortD = [NSSortDescriptor sortDescriptorWithKey:@"jidStr" ascending:YES];
6     [request setSortDescriptors:@[sortD]];

1     //获取FRC
2     self.fetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:request managedObjectContext:self.xmppRosterManagedObjectContext sectionNameKeyPath:nil cacheName:nil];
3     self.fetchedResultsController.delegate = self;

1     
2     //获取内容
3     NSError * error;
4     ;
5     if (![self.fetchedResultsController performFetch:&error])
6     {
7         NSLog(@"%s  %@",__FUNCTION__,[error localizedDescription]);
8     }