// Roster
我们继续写 获取好友列表
.h
1 /*! 2 * @Author Dylan. 3 * 4 * Roster 5 */ 6 7 typedef void (^refreshRosterListFailure) (id); 8 typedef void (^Rosterlist) (id); 9 10 /*! 11 * @Author Dylan. 12 * 13 * request for roster list. IQ 14 */ 15 - (void)refreshRosterList: (Rosterlist)success 16 failure: (refreshRosterListFailure)failure; 17 @property (nonatomic, strong) NSMutableDictionary * rosterDict;
.m
1 #pragma mark - rosterList 2 3 - (void)initRosterlist { 4 self.rosterDict = [NSMutableDictionary dictionary]; 5 } 6 7 - (void)refreshRosterList: (Rosterlist)success 8 failure: (refreshRosterListFailure)failure { 9 10 // call back 11 self.refreshSuccess = success; 12 self.refreshFailure = failure; 13 14 NSXMLElement * query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:roster"]; 15 NSXMLElement * iq = [NSXMLElement elementWithName:@"iq"]; 16 17 XMPPJID * myJID = self.xmppStream.myJID; 18 [iq addAttributeWithName:@"from" stringValue:myJID.description]; 19 [iq addAttributeWithName:@"to" stringValue:myJID.domain]; 20 [iq addAttributeWithName:@"id" stringValue:@"123456"]; 21 [iq addAttributeWithName:@"type" stringValue:@"get"]; 22 [iq addChild:query]; 23 24 [self.xmppStream sendElement:iq]; 25 } 26 27 - (void)xmppStream:(XMPPStream *)sender didFailToSendIQ:(XMPPIQ *)iq error:(NSError *)error { 28 self.refreshFailure(error); 29 } 30 31 // get user list 32 - (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq { 33 34 // kind of result 35 if ([@"result" isEqualToString:iq.type]) { 36 NSXMLElement * query = iq.childElement; 37 38 if ([@"query" isEqualToString:query.name]) { 39 NSArray * items = [query children]; 40 for (NSXMLElement * item in items) { 41 NSString * jid = [item attributeStringValueForName:@"jid"]; 42 XMPPJID * xmppJID = [XMPPJID jidWithString:jid]; 43 [_rosterDict setValue:xmppJID forKey:jid]; 44 } 45 } 46 // block 47 self.refreshSuccess(_rosterDict); 48 return YES; 49 } 50 51 NSLog(@"get iq error"); 52 return NO; 53 } 54 55 56 @end
// 顺便写出在点m文件中我写的回掉Block 的属性
1 @interface ADXMPPConn () 2 3 /*! 4 * @Author Dylan. 5 * 6 * Call back Block 7 */ 8 @property (nonatomic, copy) connectSuccess connSuccess; 9 @property (nonatomic, copy) AuthenticateFailure authenFailure; 10 11 @property (nonatomic, copy) registerSuccess regisSuccess; 12 @property (nonatomic, copy) registerFailure regisFailure; 13 14 /*! 15 * call back block 16 */ 17 @property (nonatomic, copy) sendSuccess success; 18 @property (nonatomic, copy) sendFailure failure; 19 20 /*! 21 * call back block 22 */ 23 @property (nonatomic, copy) refreshRosterListFailure refreshFailure; 24 @property (nonatomic, copy) Rosterlist refreshSuccess; 25 26 @end