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Add back support for partial downloads 

Broken when adding support for not-found caching
This commit is contained in:
Alexandre Archambault 2016-03-06 15:00:16 +01:00
parent aa836864a3
commit a6c488812c
1 changed files with 19 additions and 19 deletions
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38
cache/src/main/scala/coursier/Cache.scala vendored
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@ -386,27 +386,27 @@ object Cache {
val conn0 = urlConn(url)
if (is404(conn0))
val (partialDownload, conn) = conn0 match {
case conn0: HttpURLConnection if alreadyDownloaded > 0L =>
conn0.setRequestProperty("Range", s"bytes=$alreadyDownloaded-")
if (conn0.getResponseCode == partialContentResponseCode) {
val ackRange = Option(conn0.getHeaderField("Content-Range")).getOrElse("")
if (ackRange.startsWith(s"bytes $alreadyDownloaded-"))
(true, conn0)
else
// unrecognized Content-Range header -> start a new connection with no resume
(false, urlConn(url))
} else
(false, conn0)
case _ => (false, conn0)
}
if (is404(conn))
FileError.NotFound(url, permanent = Some(true)).left
else {
val (partialDownload, conn) = conn0 match {
case conn0: HttpURLConnection if alreadyDownloaded > 0L =>
conn0.setRequestProperty("Range", s"bytes=$alreadyDownloaded-")
if (conn0.getResponseCode == partialContentResponseCode) {
val ackRange = Option(conn0.getHeaderField("Content-Range")).getOrElse("")
if (ackRange.startsWith(s"bytes $alreadyDownloaded-"))
(true, conn0)
else
// unrecognized Content-Range header -> start a new connection with no resume
(false, urlConn(url))
} else
(false, conn0)
case _ => (false, conn0)
}
for (len0 <- Option(conn.getContentLengthLong) if len0 >= 0L) {
val len = len0 + (if (partialDownload) alreadyDownloaded else 0L)
logger.foreach(_.downloadLength(url, len, alreadyDownloaded))