In connection to http://stackoverflow.com/questions/37654750/http-get-request-return-null

StackOverflow37654750.swift

func makeHTTPGetRequest(path: String, onCompletion: (JSON?, NSError?) -> ()) {
    let request = NSMutableURLRequest(URL: NSURL(string: path)!)
    let session = NSURLSession.sharedSession()
    let task = session.dataTaskWithRequest(request) { data, response, error in
        if let jsonData = data {
            var parseError: NSError?
            let json:JSON = JSON(data: jsonData, error: &parseError)
            onCompletion(json, parseError)
        } else {
            onCompletion(nil, error)
        }
    }
    task.resume()
}