Objective C connect with Rails servers

gistfile1.txt

- (NSDictionary*) fetchMessageList:(NSInteger)pagenum {
    NSString* urlstring = [NSString stringWithFormat:@"%@/api/v1/user/messages.json?page=%d", BaseURL, pagenum];
	NSLog(@"Message List URL : %@", urlstring);
    
	NSURL* url = [NSURL URLWithString:urlstring];
	
	MBGetDataRequest* request = [MBGetDataRequest requestWithURL:url];
    [request applyHTTPHeaders:[NSDictionary dictionaryWithObjectsAndKeys:
                               [[MBPreferenceManager sharedPreferenceManager] getSecurityKey],
                               @"Http-X-User-Access-Token",
                               @"application/x-www-form-urlencoded",
                               @"Content-Type", nil]];
	[request startSynchronous];
	
	NSString* response = [request responseString];
    
	NSDictionary* retary=nil;
	if (response) {
		retary = [MBUtilities stringConvertToJSON:response];
        if ([self checkResponse:retary]) {
            return retary;
        } else {
            return nil;
        }
	}
	return retary;
}