deviceFeed.swift

DataManager.getSysDeviceCompatibility { (data) -> Void in
  var parseError: NSError?
  let parsedObject: AnyObject? = NSJSONSerialization.JSONObjectWithData(data,
    options: NSJSONReadingOptions.AllowFragments,
    error:&parseError)
 
  //2
  if let devices = parsedObject as? NSDictionary {
    if let feed = devices["feed"] as? NSDictionary {
      if let deviceEntry = feed["entry"] as? NSArray {
        if let firstEntry = deviceEntry[0] as? NSDictionary {
          if let imname = firstEntry["im:name"] as? NSDictionary {
            if let deviceName = imname["label"] as? NSString {
              //3
              println("Optional Binding: \(deviceName)")
            }
          }
        }
      }
    }
  }
}