func syncronize(){

    for operation in syncOperations{
        switch operation{
            case "listPhone":
            let listRequest = WSListRequest(requestType: operation, searchCriteria: [SearchCriteria(name: "name", value: "%")], returnTags: [])
            _ = HTTPPost(method: "POST", body: listRequest.xml, operation: operation, credentials: creds)
        default:
            let listRequest = WSLListRequest(requestType: operation, searchCriteria: [SearchCriteria(name: "name", value: "%")], returnTags: ["name"])
            _ = HTTPPost(method: "POST", body: listRequest.xml, operation: operation, credentials: creds)
        }
    }
}

class HTTPPost: NSObject, URLSessionDelegate {

var componentDebug = false
var user = String()
var password = String()
var server = String()
var port = String()
var body = NSString()
var response = Data()

init(method: String, body: NSString, operation: String, credentials: WSCredential){
    super.init()
    let bodyData = body.data(using: String.Encoding.utf8.rawValue)

    let config = URLSessionConfiguration.default
    let userPasswordString = NSString(format: "%@:%@", credentials.userName, credentials.password)
    let userPasswordData = userPasswordString.data(using: String.Encoding.utf8.rawValue)
    let base64EncodedCredential = userPasswordData!.base64EncodedString(options: NSData.Base64EncodingOptions.lineLength64Characters)
    let authString = "Basic (base64EncodedCredential)"
    config.httpAdditionalHeaders = ["Authorization" : authString, "Content-Type" : "text/xml;charset=UTF-8"]
    config.timeoutIntervalForRequest = 10.0

    // create the user request
    let urlString = NSString(format: "https://%@:%@/ws/", credentials.server, credentials.port)
    let url = URL(string: urlString as String)
    var request = URLRequest(url: url!)
    request.httpMethod = method
    request.httpBody = bodyData
    request.setValue("Basic (base64EncodedCredential)", forHTTPHeaderField: "Authorization")
    let session = Foundation.URLSession(configuration: config, delegate: self, delegateQueue:OperationQueue.main)

    _ = session.dataTask(with: request, completionHandler: { (data, response, error) in

        let responseParser = XMLParser(data: data!)
        let responseParserDelegate = XMLResponseParser(operation: operation)
        responseParser.delegate = responseParserDelegate
        responseParser.parse()

        // DEBUGGING OPTIONS
        //print(response)
        //print(NSString(data: data!, encoding: NSUTF8StringEncoding))
        DispatchQueue.main.async(execute: {
            self.response = data!
        })


    }).resume()
}



func urlSession(_ session: URLSession, didReceive challenge: URLAuthenticationChallenge, completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) -> Void) {
    completionHandler(Foundation.URLSession.AuthChallengeDisposition.useCredential, URLCredential(trust: challenge.protectionSpace.serverTrust!))
}
}