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use ByteBuffer to deal with transferFrom

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transferFrom giving us grief on some platforms (openjdk for arch and debian)
ByteBuffer appears to be more reliable

closes #3038
closes #3031
This commit is contained in:
payonel 2019-02-03 19:51:38 -08:00
parent 04a1fb77c9
commit c67f700fa9
1 changed files with 14 additions and 1 deletions
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15
src/main/scala/li/cil/oc/server/fs/Buffered.scala
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@ -2,6 +2,7 @@ package li.cil.oc.server.fs
import java.io
import java.io.FileNotFoundException
import java.nio.ByteBuffer
import java.util.concurrent.CancellationException
import java.util.concurrent.Future
import java.util.concurrent.TimeUnit
@ -131,7 +132,19 @@ trait Buffered extends OutputStreamFileSystem {
childFile.createNewFile()
val out = new io.FileOutputStream(childFile).getChannel
val in = openInputChannel(childPath).get
out.transferFrom(in, 0, Long.MaxValue)
val buffer = ByteBuffer.allocateDirect(16 * 1024)
while (in.read(buffer) != -1) {
buffer.flip()
out.write(buffer)
buffer.compact()
}
buffer.flip()
while (buffer.hasRemaining) {
out.write(buffer)
}
out.close()
in.close()
childFile.setLastModified(time)