swift json request

swiftJsonReq

    func json (url: String, response: (AnyObject, NSError?) -> Void) {
        NSURLConnection.sendAsynchronousRequest(NSURLRequest(URL: NSURL(string: url)), queue: NSOperationQueue.currentQueue(), completionHandler:{response, data, error in
            var jsonError : NSError?
            var json : AnyObject = NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions.AllowFragments, error: &jsonError)
            response (json, jsonError)
        })
    }

  /* usage
    json("http://www.someurl.com/some/json", {jsonObj, error in
      if (!error) {
          NSLog("obj %@", [jsonObj])
      } else {
          NSLog ("error %@", [error])
      }
    })
  */