RFR JDK-8002390 problems moving files between zip file systems
xueming.shen at oracle.com
Fri Feb 15 01:23:27 UTC 2013
On 2/14/13 10:34 AM, Mark Sheppard wrote:
> Please oblige and review the webrev at
> which addresses the issue raised in JDK-8002390
> Description: While working with the new ZipFileSystem to modify the
> contents of a zip file, encountered some issues.
> The issue occurs when a file within a zip file is moved to a different
> location within the same zip and a FileVisitor is invoked by
> Files.walkFileTree the original (no longer existing file) will
> attempted to be visited by ZipFileSystemProvider and throw a
> This is an issue with the ZipFileSystem demonstration code, which
> provides a concrete example of the java.nio.file FileSystem and
> associated functionality.
> The issue arises when the file system is created, closed, then
> re-opened followed by
> a file move operation within the ZipFileSystem.
> This arises from the fact that the internal data structures
> representing the ZipFileSystem,
> when it is initially created are slightly different to those when the
> file system is re-opened after a close.
> The ZipFileSystem.copyFile() processing flow, which is the end result
> of the Files.move(),
> needed to be amended to allow for this subtle difference. This is
> represented in the changes in the update() and
> removeFromTree() methods. Additionally, the logic for handling a
> rename, earlier in the processing
> flow was amended, also.
> relevant tests have been updated.
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