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https://issues.apache.org/jira/browse/COMPRESS-390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16034289#comment-16034289
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Stefan Bodewig commented on COMPRESS-390:
-----------------------------------------

[~sesuncedu] the changes to tar sound useful, although I'd be reluctant adding 
a dependency on XZ for Java for reading tars (right now XZ is optional unless 
you are really trying to use XZ or LZMA). That would be a separate issue, 
though. :-)

> Expose zip stream offset and size via API
> -----------------------------------------
>
>                 Key: COMPRESS-390
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-390
>             Project: Commons Compress
>          Issue Type: New Feature
>          Components: Archivers
>    Affects Versions: 1.13
>            Reporter: Zbynek Vyskovsky
>              Labels: features, github-import, patch
>             Fix For: 1.14
>
>
> In certain cases it may be useful to get information about where in the 
> archive the stream starts and ends. Typically when zip is used as resource 
> container and the resources are then mapped directly into memory, but not 
> only.
> The size and compressed size are already available but not the stream offset.
> This can be applied to other archive types as well, therefore it would make 
> sense to put this into basic interface - ArchiveEntry. But not necessarily 
> all of them have to support it.



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