private class NetworkManager {

    class func requestWith(url: String,
                           reqMethod: Alamofire.Method,
                           dataToSend: [String:AnyObject]?,
                           uploadImage: UIImage?,
                           handler: SuccessHandler) {

        var header: [String:String]?
        if DataManager.getToken().characters.count > 0 {
            let langId = NSLocale.currentLocale().objectForKey(NSLocaleLanguageCode) as! String
            let countryId = NSLocale.currentLocale().objectForKey(NSLocaleCountryCode) as! String
            let language = "\(langId)-\(countryId)"
            header = ["Authorization":"Bearer \(DataManager.getToken())", "AcceptLanguage":language]
        } else {
            header = nil
        }

        Alamofire.request(reqMethod, url, parameters: dataToSend, headers: header).responseJSON
{ response in
            switch response.result {
            case .Success(let JSON):
                let jsonS = SwiftyJSON.JSON(JSON)
                handler(json: jsonS, error: nil)

            case .Failure(let error): handler(json: nil, error: error)
            }
        }
    }
}