1 /*! 2  *  @Author Dylan. 3  * 4  *  callback Block 5  */ 6 typedef void(^sendSuccess)(); 7 typedef void(^sendFailure)(id); 8  9 /*!10  *  sendMessageBy model11  */12 - (void)sendMessage: (ADMessageModel *)message13         sendSuccess: (sendSuccess)success14         sendFailure: (sendFailure)failure;15 16 /*!17  *  @Author Dylan.18  *19  *  unRead Msg20  */21 @property (nonatomic, strong) NSMutableDictionary * unReadMsg;22 23 /*!24  *  @Author Dylan.25  *26  *  new Msg27  */28 @property (nonatomic, copy) void (^newMessage) (id);29 30 31 @end

1 #pragma mark - initData 2 - (void)initData { 3     // 可做数据持久化 4     self.unReadMsg = [NSMutableDictionary dictionary]; 5 } 6  7 #pragma mark Methods 8 - (void)sendMessage: (ADMessageModel *)message 9         sendSuccess: (sendSuccess)success10         sendFailure: (sendFailure)failure {11     12     // set callback block13     self.success = success;14     self.failure = failure;15     16     NSXMLElement * body = [NSXMLElement elementWithName:@"body"];17     [body setStringValue:message.body];18     19     //生成XML消息文档20     NSXMLElement *mes = [NSXMLElement elementWithName:@"message"];21     //消息类型22     [mes addAttributeWithName:@"type" stringValue:@"chat"];23     //发送给谁24     [mes addAttributeWithName:@"to" stringValue:message.to];25     //由谁发送26     [mes addAttributeWithName:@"from" stringValue:message.from];27     //组合28     [mes addChild:body];29     //发送消息30     [[self xmppStream] sendElement:mes];31 }32 33 #pragma mark - delegeteMethods34 - (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message {35     36     NSString * body = [[message elementForName:@"body"] stringValue];37     NSString * from = [[message attributeForName:@"from"] stringValue];38     39     if (body != nil) {40         41         NSMutableDictionary * msgDict = [NSMutableDictionary dictionary];42         ADMessageModel * model = [[ADMessageModel alloc] init];43         model.body = body;44         model.from = from;45         [msgDict setValue:model forKey:[ADCurrentTime getCurrentTime]];46         47         if ([from isEqualToString:[[NSUserDefaults standardUserDefaults] stringForKey:CURRENT_CHAT]]) {48             49             self.newMessage(msgDict);50         } else {51             // not current chat52             if ([_unReadMsg.allKeys containsObject:from]) {53                 [_unReadMsg[from] addObject:model];54             } else {55                 [_unReadMsg setValue:[NSMutableArray arrayWithObject:msgDict] forKey:from];56             }57         }58         59     }60 }61 62 @end