is there any dynamic xml parsing - iphone

Question

how to parse if xml attributes changes...'
for example
<Root>
<child name="", age="",phone="",address=""/>
</Root>
this is my first request from iphone through webserver.... i parsed above xml...
after that when i request the same url .. which is updated now it my xml child tag changes.
<Root>
<child name="",age="",phone="",address="",office="",mobile="",location=""/>
</Root>
extra three attributes added..
what to do with this approach .. any example please send... thanks in advance

Answer 1

-(void)startParsingForSendFriendRequest:(NSString *)userID Friend:(NSString*)friendID
{
NSString *urlString =[NSStringstringWithFormat:#"http:///user_id=%#&friend_id=%#",userID,friendID];
////NSLog(#"urlString : %#",urlString);
NSURL *xmlURL = [NSURL URLWithString:urlString];
NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] initWithURL:xmlURL cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:30.0]autorelease];
NSURLResponse *returnedResponse = nil;
NSError *returnedError = nil;
NSData *itemData = [NSURLConnection sendSynchronousRequest:request returningResponse:&returnedResponse error:&returnedError];
//NSString *itemString = [[[NSString alloc] initWithBytes:[itemData bytes] length:[itemData length] encoding:NSUTF8StringEncoding]autorelease];
//NSLog(#"itemString : %#",itemString);
NSXMLParser *xmlParser = [[NSXMLParser alloc] initWithData:itemData];
[xmlParser setDelegate:self];
[xmlParser parse];
}
- (void)parserDidStartDocument:(NSXMLParser *)parser
{
////NSLog(#"parserDidStartDocument");
}
- (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError
{
////NSLog(#"parseErrorOccurred");
NSString * errorString = [NSString stringWithFormat:#"Error (Error code %i )", [parseError code]];
UIAlertView * errorAlert = [[UIAlertView alloc] initWithTitle:#"Error loading data" message:errorString delegate:self cancelButtonTitle:#"OK" otherButtonTitles:nil];
[errorAlert show];
[errorAlert release];
}
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qualifiedName attributes:(NSDictionary *)attributeDict
{
//NSLog(#"didStartElement");
// NSLog(#"elementName : %#",elementName);
// NSLog(#"namespaceURI : %#",namespaceURI);
// NSLog(#"qualifiedName : %#",qualifiedName);
NSLog(#"attributeDict : %#",attributeDict);
[registerNewArr addObject:attributeDict];
}
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
////NSLog(#"foundCharacters");
}
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
////NSLog(#"didEndElement");
}
- (void)parserDidEndDocument:(NSXMLParser *)parser
{
if ([[[registerNewArr objectAtIndex:1]objectForKey:#"Transaction"]isEqualToString:#"loginxml"])
{
[(WakeuuupLoginScreenVC *)obj getRegisterResult:registerNewArr];
}
}
- (void)dealloc
{
[registerNewArr release];
[super dealloc];
}