HTTP request with authorisation token Kotlin

request.kt

 private fun httpRequestBuilder(url: String, request: Int): HttpsURLConnection {
        val connection = URL(url).openConnection() as HttpsURLConnection
        connection.readTimeout = 10000
        connection.connectTimeout = 15000
        connection.setRequestProperty("Authorization", "Bearer 234567834567")
        when (request) {
            GET -> {
                connection.requestMethod = "GET"
                connection.connect()
            }
            POST -> {
                connection.setRequestProperty("Content-Type", "application/json")
                connection.requestMethod = "POST"
                connection.doOutput = true
                connection.connect()
                val bufferedWriter = BufferedWriter(OutputStreamWriter(connection.outputStream, "UTF-8"))
                bufferedWriter.write(postData)
                bufferedWriter.flush()
                bufferedWriter.close()
                connection.outputStream.close()
            }
        }
        return connection
    }