NSXMLParser Big-5 convert to UTF-8
===

My XML file have the Chinese Characters, which are Big-5, how to convert it to UTF-8 based on below code?


    - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
    {
        NSString *xmlFilepath = [[[NSBundle mainBundle] resourcePath]  stringByAppendingPathComponent:@"Hostels.xml"];
    
        
        NSData *xml = [[NSData alloc] initWithContentsOfFile:xmlFilepath];
    
    
    
        NSXMLParser *xmlParser = [[NSXMLParser alloc] initWithData:xml];
    
        Parser *theParser = [[Parser alloc] initParser];
    
        [xmlParser setDelegate:theParser];

    .......