A method that creates an NSURLSessionDataTask

testTask.swift

func testTask() -> NSURLSessionDataTask? {
        
        let components = NSURLComponents()
        components.scheme = self.serverURLComponents.scheme
        components.host = self.serverURLComponents.host
        components.port = self.serverURLComponents.port
        components.path = "/"
        
        guard let url = components.URL else {
            print("Failed to build URL from components. \(components)")
            return nil
        }
        
        let request = NSURLRequest(URL: url)
        
        let task = NSURLSession(configuration: NSURLSessionConfiguration.defaultSessionConfiguration()).dataTaskWithRequest(request, completionHandler: { (data : NSData?, response : NSURLResponse?, error : NSError?) -> Void in
            /* Stuff happens in this callback. */
               })
        
        return task
    }