An HTTPCookie extension ta arquive a cookie inside a Data

HTTPCookie+Arquiver.swift

//
//  HTTPCookie+Arquiver.swift
//  
//
//  Created by Antoine Barrault on 17/01/2018.
//

import Foundation

extension HTTPCookie {

    fileprivate func save(cookieProperties: [HTTPCookiePropertyKey : Any]) -> Data {
        let data = NSKeyedArchiver.archivedData(withRootObject: cookieProperties)
        return data
    }

    static fileprivate func loadCookieProperties(from data: Data) -> [HTTPCookiePropertyKey : Any]? {
        let unarchivedDictionary = NSKeyedUnarchiver.unarchiveObject(with: data)
        return unarchivedDictionary as? [HTTPCookiePropertyKey : Any]
    }

    static func loadCookie(using data: Data?) -> HTTPCookie? {
        guard let data = data,
            let properties = loadCookieProperties(from: data) else {
                return nil
        }
        return HTTPCookie(properties: properties)

    }

    func arquive() -> Data? {
        guard let properties = self.properties else {
            return nil
        }
        return save(cookieProperties: properties)
    }

}