Save an image downloaded from the web

save-image.swift

let url = NSURL(string: "http://www.haskell.org/happy/Happy.gif")
        
let urlRequest = NSURLRequest(URL: url)
NSURLConnection.sendAsynchronousRequest(urlRequest, queue: NSOperationQueue.mainQueue(),
    completionHandler: {
        response, data, error in
        
        if error != nil {
            println("There was an error")
        } else {
            
            let image = UIImage(data: data)
            var docsDirectory: String?
            
            var paths: [AnyObject] = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomainMask.UserDomainMask, true)
            
            if paths.count > 0 {
                docsDirectory = paths[0] as? String
                var savePath = docsDirectory! + "/someImage.jpg"
                
                NSFileManager.defaultManager().createFileAtPath(savePath, contents: data, attributes: nil)
                self.someImage.image = UIImage(named: savePath)
            }
        }
        
    })