儲存和讀取 NSUserDefault 中的 cookie

import Foundation

class CookiesSingleton {

static let instance : CookiesSingleton = CookiesSingleton()
static var enableDebug = true

func loadCookies() {
    if let cookiesDetails = NSUserDefaults.standardUserDefaults().objectForKey("customeWebsite")  {
        for (keys,_) in cookiesDetails as! NSDictionary{
                if let  cookieDict = NSUserDefaults.standardUserDefaults().objectForKey(keys as! String){
                    if let cookie = NSHTTPCookie(properties:cookieDict as! [String:AnyObject]) {
                        NSHTTPCookieStorage.sharedHTTPCookieStorage().setCookie(cookie)
                        if(CookiesSingleton.enableDebug){
                            print("Each Cookies",cookieDict)
                        }
                    }
                }
        }
    }
}

func  removeCookies(){
    NSURLCache.sharedURLCache().removeAllCachedResponses()
    NSURLCache.sharedURLCache().diskCapacity = 0
    NSURLCache.sharedURLCache().memoryCapacity = 0
    
    let storage : NSHTTPCookieStorage = NSHTTPCookieStorage.sharedHTTPCookieStorage()
    for cookie in storage.cookies! {
        storage.deleteCookie(cookie as NSHTTPCookie)
    }
    
    NSUserDefaults.standardUserDefaults().setValue("", forKey: "customeWebsite")
    NSUserDefaults.standardUserDefaults().synchronize()
    
    if(CookiesSingleton.enableDebug){
        print("Cookies Removed")
    }
}

func saveCookies() {

    let cookieArray = NSMutableArray()
    let savedC = NSHTTPCookieStorage.sharedHTTPCookieStorage().cookies
    
    let allCookiesDic:NSMutableDictionary = NSMutableDictionary()

    for c : NSHTTPCookie in savedC! {

        let cookieProps = NSMutableDictionary()
        cookieArray.addObject(c.name)
        cookieProps.setValue(c.name, forKey: NSHTTPCookieName)
        cookieProps.setValue(c.value, forKey: NSHTTPCookieValue)
        cookieProps.setValue(c.domain, forKey: NSHTTPCookieDomain)
        cookieProps.setValue(c.path, forKey: NSHTTPCookiePath)
        cookieProps.setValue(c.version, forKey: NSHTTPCookieVersion)
        cookieProps.setValue(NSDate().dateByAddingTimeInterval(2629743), forKey: NSHTTPCookieExpires)

        allCookiesDic.setValue(cookieProps, forKey: c.name)

    }
    NSUserDefaults.standardUserDefaults().setValue(allCookiesDic, forKey: "customeWebsite")
    NSUserDefaults.standardUserDefaults().synchronize()
    
    if(CookiesSingleton.enableDebug){
        print("Cookies Saved")
    }
}

}