Objective-C Getting titles and descriptions in RSS feed

rss.mm

-(void) retrieveFromInternet {
    NSURLRequest * request = [NSURLRequest requestWithURL: [self feedUrl]];
    NSData * data = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
    NSString * pageSource = [[NSString alloc] initWithData: data encoding:NSUTF8StringEncoding];
    // NSLog(@"%@", pageSource);
    [self setNewsStories: [self getHeadersAndSnippetsFromSource: pageSource]];
}
- (NSArray *) getHeadersAndSnippetsFromSource: (NSString *) pageSource {
    NSArray * feedItems = [pageSource componentsSeparatedByString:@"<item>"];
    NSMutableArray * titlesAndSnippets = [[NSMutableArray alloc]init];
    for (NSString * item in feedItems) {
        //put title and description in array of titles and snippets.
        NSMutableDictionary * newsItem  = [[NSMutableDictionary alloc]init];
                                        
        [newsItem setObject: [self getTitleFromItem: item] forKey: kTitle];
        [newsItem setObject: [self getDescriptionFromItem: item] forKey:kDescription];
        [titlesAndSnippets addObject:newsItem];
    }
    return titlesAndSnippets;
}
// <title>auea</title>
- (NSString *) getTitleFromItem:(NSString *)item {
        NSRange titleOpen = [item rangeOfString:@"<title>"];
        NSRange titleClose = [item rangeOfString:@"</title>"];
        NSRange titleRange;
        titleRange.location = titleOpen.location + titleOpen.length ;
        titleRange.length = titleClose.location - titleRange.location;
        return [item substringWithRange: titleRange];
}

- (NSString *) getDescriptionFromItem:(NSString *)item {
    NSRange descriptionOpen = [item rangeOfString:@"<description>"];
    NSRange descriptionClose = [item rangeOfString:@"</description>"];
    if (descriptionOpen.location ==NSNotFound)
        return @"No Description Available.";
    NSRange descriptionRange;
    descriptionRange.location = descriptionOpen.location + descriptionOpen.length;
    descriptionRange.length = descriptionClose.location - descriptionRange.location;
    return [item substringWithRange: descriptionRange];
}