How can I use it for upload a file to my device about swifter HOT 12 CLOSED

server["/setFile"] = { request in
    guard request.method.uppercaseString == "POST" else {
        return .OK(.JSON(["response" : ["statuscode" : HttpResponse.Forbidden.statusCode(), "statusmessage" : HttpResponse.Forbidden.reasonPhrase(), "message" : "\"\(request.method.uppercaseString)\" is not supported, please use \"POST\""]]))
    }
    guard !request.body!.isEmpty else {
        return .OK(.JSON(["response" : ["statuscode" : HttpResponse.Forbidden.statusCode(), "statusmessage" : HttpResponse.Forbidden.reasonPhrase(), "message" : "It looks like the body is empty!"]]))
    }

    // Relevant part!!!
    let bodyComponents = request.body?.componentsSeparatedByString("\r\n") // We seperate every line...
    let seperator = bodyComponents!.first! // This is always the seperator!
    var files: [String] = (request.body?.componentsSeparatedByString(seperator))! // These are the file(s)
    files.removeLast() // Under the last seperator is just a "\r\n", so we can remove it...
    for postFile in files { // We then iterate over files
        if !postFile.isEmpty { // we check if the posted file part of the POST Header is empty (Just to make sure)
            if let (mayData, fileName, contentType) = dataFromFormDataPost(postFile) { // We then parse out the Data as NSData, Filename as String and the contentType as String dataFromFormDataPost(headerBodyPart: String!) returns a tuple thats optional, so we unwrap it!
                if let data = mayData { // We unwrap data from the unwrapped tuple
                    // Here you can do what ever you want with your NSData!
                    let newFilePath = "/".stringByAppendingPathComponent(fileName)
                    if data.writeToFile(newFilePath, atomically: true) {
                        return .OK(.JSON(["response" : ["statuscode" : HttpResponse.OK(.HTML("")).statusCode(), "statusmessage" : HttpResponse.OK(.HTML("")).reasonPhrase(), "message" : "Got file \"\(fileName)\""]]))
                    } else {
                        return .OK(.JSON(["response" : ["statuscode" : HttpResponse.InternalServerError.statusCode(), "statusmessage" : HttpResponse.InternalServerError.reasonPhrase(), "message" : "Can't save \"\(fileName)\".", "info" : ["fileName" : fileName]]]))
                    }
                } else {
                    return .OK(.JSON(["response" : ["statuscode" : HttpResponse.BadRequest.statusCode(), "statusmessage" : HttpResponse.BadRequest.reasonPhrase(), "message" : "Got file \"\(fileName)\" with invalide data!", "info" : ["fileName" : fileName]]]))
                }
            } else {
                return .OK(.JSON(["response" : ["statuscode" : HttpResponse.BadRequest.statusCode(), "statusmessage" : HttpResponse.BadRequest.reasonPhrase(), "message" : "Something went wrong or the Content-Type is not supported"]]))
            }
        }
    }
    return .OK(.JSON(["response" : ["statuscode" : HttpResponse.InternalServerError.statusCode(), "statusmessage" : HttpResponse.InternalServerError.reasonPhrase(), "message" : "Error setting fileContent"]]))
}

private func dataFromFormDataPost(headerBodyPart: String!) -> (data: NSData?, fileName: String, contentType: String)? {
    // This should explain itselfe I think, and I hope this is the right way to get the data:)
    var headerBodyPartComponents = headerBodyPart.componentsSeparatedByString("\r\n")
    let contentDisposition = headerBodyPartComponents[1]
    let contentDispositionComponents = contentDisposition.stringByReplacingOccurrencesOfString("Content-Disposition: ", withString: "").componentsSeparatedByString("; ")
    var fileName = ""
    for item in contentDispositionComponents {
        if item.hasPrefix("filename=") {
            fileName = item.stringByReplacingOccurrencesOfString("\"", withString: "").stringByReplacingOccurrencesOfString("filename=", withString: "")
            break
        }
    }
    let contentType = headerBodyPartComponents[2].stringByReplacingOccurrencesOfString("Content-Type: ", withString: "")
    headerBodyPartComponents.removeAtIndex(0)
    headerBodyPartComponents.removeAtIndex(0)
    headerBodyPartComponents.removeLast()
    let data = headerBodyPartComponents.last?.data()
    if data != nil {
        return (data, fileName, contentType)
    }
    return nil
}