Getting JSON Data in the NSDictionary with HTTP GET Request

HTTPRequest.swift

let urlString: String = "http://example.com"
var url: NSURL = NSURL(string: urlString)!
var data = NSData()
    
var request = NSMutableURLRequest(URL: url, cachePolicy: .UseProtocolCachePolicy, timeoutInterval: 60)
request.HTTPMethod = "GET"
    
var response: AutoreleasingUnsafeMutablePointer<NSURLResponse?> = nil
var error: NSErrorPointer = nil
    
data = NSURLConnection.sendSynchronousRequest(request, returningResponse: response, error: error)!
var jsonResult: NSDictionary = NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions.MutableContainers, error: nil) as! NSDictionary