How can I retrieve local files with NSURL?

Question

I'm here with a question that probably has a really simple answer that I am overlooking... how can I retrieve local files with NSURL? I have this here:

override func viewDidLoad() {     super.viewDidLoad()     var urlpath = NSBundle.mainBundle().pathForResource("bpreg", ofType: "xml")     let url:NSURL = NSURL(string: urlpath!)!     parser = NSXMLParser(contentsOfURL: url)!     parser.delegate = self     parser.parse() } 

But after it successfully builds it hangs on var urlpath. I've searched around and tried a few suggestions here and other places to no avail. Please help? :(

Answer 1

You are trying to load a file from your file system, not from web.

For creating the NSURL you need to use fileURLWithPath: class method.

Change your method like:

Swift 2

override func viewDidLoad() {     super.viewDidLoad()     var urlpath     = NSBundle.mainBundle().pathForResource("bpreg", ofType: "xml")     let url:NSURL   = NSURL.fileURLWithPath(urlpath!)!     parser          = NSXMLParser(contentsOfURL: url)!     parser.delegate = self     parser.parse() } 

Swift 3

override func viewDidLoad() {     super.viewDidLoad()     let urlpath     = Bundle.main.path(forResource: "bpreg", ofType: "xml")     let url         = NSURL.fileURL(withPath: urlpath!)     parser          = XMLParser(contentsOf: url)!     parser.delegate = self     parser.parse() } 

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Note: In Swift 3 you can also use the URL class to construct the url instead of NSURL class. So the above code for constructing url changes to:

let url = URL(fileURLWithPath: urlpath!)