On Thu, 23 Jun 2022 08:05:42 GMT, Chris Hegarty <che...@openjdk.org> wrote:
>> Hi, >> >> Please review the following patch which will: >> >> - Enhance the java.nio.file.spi.FileSystemProvider abstract class to include >> the methods >> >> - public boolean exists(Path path, LinkOption... options) >> - public <A extends BasicFileAttributes> A readAttributesIfExists(Path >> path, Class<A> type, LinkOption... options) >> >> >> This change allows for providers to provide optimizations when the file's >> attributes are not needed. >> >> Mach5 tiers 1 - 3 run clean with this change >> >> The CSR may be viewed at >> [JDK-8283336](https://bugs.openjdk.org/browse/JDK-8283336) >> >> >> Best, >> Lance > > src/java.base/share/classes/java/nio/file/spi/FileSystemProvider.java line > 1202: > >> 1200: */ >> 1201: public boolean exists(Path path, LinkOption... options) { >> 1202: try { > > Overall, I think that this is a great change (avoiding the need for various > parts of the system to communicate through exceptions). > > Trivially, and easily, I often find it useful to add mock-like tests for > these specified implementations (implSpec), i.e. just subclass FSP mocking > out the abstract methods to ensure that the default implementations invoke > the appropriate ones. Thank you for the suggestion Chris ------------- PR: https://git.openjdk.org/jdk/pull/9249