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https://issues.apache.org/jira/browse/VFS-585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981143#comment-14981143
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Bernd Eckenfels commented on VFS-585:
-------------------------------------
Using the file type (IMAGINARY == non existing) is used by all file providers,
this is how VFS works: the file type is determined on doAttach and exists() is
only a helper to check for the type. (Only HdfsFileObject overwrites
AbstractFileObject#exists() - with basically the same function).
So the problem is more that it does not implement doAttach() and the getType()
purely works on the file name.
> CompressedFileFileObject should override exists()
> -------------------------------------------------
>
> Key: VFS-585
> URL: https://issues.apache.org/jira/browse/VFS-585
> Project: Commons VFS
> Issue Type: Bug
> Affects Versions: 2.0
> Reporter: Eduard Wirch
>
> {{CompressedFileFileObject}} does not implement {{exists()}}. This leads to
> inheriting the implementation of {{AbstractFileObject}} which always returns
> {{true}} if the type is not {{IMAGINARY}}. That's completely useless in
> production.
> Make {{exists()}} return {{true}} only if the archive and the compressed file
> exist.
> Alternative: at least existence of the archive should be checked.
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