How to download and save a file from the internet using Scala?

Question

Basically I have a url/link to a text file online and I am trying to download it locally. For some reason, the text file that gets created/downloaded is blank. Open to any suggestions. Thanks!

    def downloadFile(token: String, fileToDownload: String) {

    val url = new URL("http://randomwebsite.com/docs?t=" + token + "&p=tsr%2F" + fileToDownload)
    val connection = url.openConnection().asInstanceOf[HttpURLConnection]
    connection.setRequestMethod("GET")
    val in: InputStream = connection.getInputStream
    val fileToDownloadAs = new java.io.File("src/test/resources/testingUpload1.txt")
    val out: OutputStream = new BufferedOutputStream(new FileOutputStream(fileToDownloadAs))
    val byteArray = Stream.continually(in.read).takeWhile(-1 !=).map(_.toByte).toArray
    out.write(byteArray)
    }

Answer 1

I know this is an old question, but I just came across a really nice way of doing this :

import sys.process._
import java.net.URL
import java.io.File

def fileDownloader(url: String, filename: String) = {
    new URL(url) #> new File(filename) !!
}

Hope this helps. Source.

You can now simply use fileDownloader function to download the files.

fileDownloader("http://ir.dcs.gla.ac.uk/resources/linguistic_utils/stop_words", "stop-words-en.txt")