On Thu, 12 Aug 2021 01:16:04 GMT, Brian Burkhalter <b...@openjdk.org> wrote:
> Please consider this request to add an override
> `java.io.FileInputStream.transferTo(OutputStream)` with improved performance
> if the parameter is a `FileOutputStream`.
Changes requested by alanb (Reviewer).
src/java.base/share/classes/java/io/FileInputStream.java line 371:
> 369: // not, then use the superclass method to copy those
> remaining
> 370: if (fci.transferTo(pos, count, fco) == count) {
> 371: return count;
Are you sure this is right? FileChannel transferTo doesn't modify the source
channel's position so I assume the method above will finish with the
InputStream at its initial position rather than EOF. How are we on test
coverage for this case?
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PR: https://git.openjdk.java.net/jdk/pull/5097
