Files.createFile() makes use of newByteChannel(); what if the fs does _not_ support .newByteChannel()?

[Francis Galiegue]

Hello,

All is in the question really...

The javadoc of .newByteChannel() on the provider says that
UnsupportedOperationException will be thrown if one OpenOption is not
supported, but since the filesystems I develop cannot return any
meaningful form of SeekableByteChannels at all, I always throw
UnsupportedOperationException...

-- 
Francis Galiegue, fgaliegue at gmail.com, https://github.com/fge
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