sttp.client4.FileHelpers.scala Maven / Gradle / Ivy
package sttp.client4
import sttp.client4.internal._
import java.io.{File, FileOutputStream, IOException, InputStream}
import java.nio.file.AccessDeniedException
object FileHelpers {
private[client4] def saveFile(file: File, is: InputStream): File = {
if (!file.exists()) {
if (file.getParentFile != null) {
file.getParentFile.mkdirs()
}
try
file.createNewFile()
catch {
case e: AccessDeniedException => throw new IOException("Permission denied", e) // aligns SN bahavior with Java
}
}
val os = new FileOutputStream(file)
transfer(is, os)
file
}
private[client4] def getFilePath[T, R](response: GenericResponseAs[T, R]): Option[SttpFile] =
response match {
case MappedResponseAs(raw, g, _) => getFilePath(raw)
case rfm: ResponseAsFromMetadata[T, _] =>
rfm.conditions
.flatMap(c => getFilePath(c.responseAs))
.headOption
case ResponseAsFile(file) => Some(file)
case _ => None
}
}