NSURLSession.swift

    func makeRequest(success:(response:AnyObject)->(), failure:(error:CommunicatorError)->()) {
        /**
         Play with resp api take inspiration
         https://grokswift.com/simple-rest-with-swift/
         */
        let sessionConfig = NSURLSessionConfiguration.defaultSessionConfiguration()
        let session = NSURLSession(configuration: sessionConfig, delegate: nil, delegateQueue: nil)
        let URL = NSURL(string: "http://jsonplaceholder.typicode.com/posts")
        //let URL = NSURL(string: "http://private-anon-827bc57e0-andresbrun.apiary-mock.com/api/v3/search_suggestions")
        let request = NSMutableURLRequest(URL: URL!)
        //request.HTTPMethod = "GET"
        request.HTTPMethod = "POST"
        request.addValue("application/json", forHTTPHeaderField: "Content-Type")
        request.addValue("e3e4db4432d6f93905f705e53a4898087920b6e71b0ffc4b5451924361c3e86b", forHTTPHeaderField: "access_token")
        
        let parameters = ["title": "Bob", "body": "bar bob", "userId": "1"]
        //let parameters: NSDictionary = ["q":"berlin"]
        
        do {
            let options = NSJSONWritingOptions()
            let data = try NSJSONSerialization.dataWithJSONObject(parameters, options:options)
            /**
             you can reduce the syntax
             */
            //let data = try NSJSONSerialization.dataWithJSONObject(parameters, options: [])
            /**
             add body to request in NSData format
             */
            request.HTTPBody = data
        } catch let error as NSError {
            return failure(error: CommunicatorError.CommunicatorJSONSerializationError(errorMessage: error.description))
        }
        
        let task = session.dataTaskWithRequest(request) { (data:NSData?, response:NSURLResponse?, error:NSError?) -> () in
            guard error == nil else {
                return failure(error: CommunicatorError.CommunicatorNetworkError)
            }
            let HTTPStatusCode = (response as! NSHTTPURLResponse).statusCode
            /**
             here need to implement optionSetType because in case of get you have 200
             */
            guard HTTPStatusCode == 201 else {
                switch HTTPStatusCode {
                case 500:
                    return failure(error: CommunicatorError.CommunicatorHTTPStatusError(statusCode: HTTPStatusCode, errorMessages: "Internal server error "))
                default:
                    return failure(error: CommunicatorError.CommunicatorHTTPStatusError(statusCode: HTTPStatusCode, errorMessages: "Invalid server response"))
                }
            }
            
            do {
                let JSONResponse = try NSJSONSerialization.JSONObjectWithData(data!, options: .MutableContainers) as! [String: AnyObject]
                return(success(response: JSONResponse))
            } catch let error as NSError {
                return failure(error: CommunicatorError.CommunicatorJSONSerializationError(errorMessage: error.description))
            }
        }
        
        task.resume()
    }