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Date: Fri, 2 Jun 2017 14:18:04 +0000 (UTC)
From: "Simon Spero (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (COMPRESS-390) Expose zip stream offset and size
 via API
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archived-at: Fri, 02 Jun 2017 14:18:09 -0000


    [ https://issues.apache.org/jira/browse/COMPRESS-390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16034768#comment-16034768 ] 

Simon Spero commented on COMPRESS-390:
--------------------------------------

[~bodewig] - the XZ dependency was just the easiest hack. Annoyingly, it's an abstract class, not an interface.  SeekableChannels are probably where the actual answers lie :)

> 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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