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https://issues.apache.org/jira/browse/COMPRESS-391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15998420#comment-15998420
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ASF GitHub Bot commented on COMPRESS-391:
-----------------------------------------

Github user bodewig commented on the issue:

    https://github.com/apache/commons-compress/pull/24
  
    I don't see a chance of making it independent of `ZipArchiveOutputStream`, 
you are certainly correct.
    
    I was thinking along the lines of `ZipArchiveOutputStream` calculates the 
length needed for proper alignment, creates an instance of the new extra field 
passing in the size information necessary and adds it to the `ZipArchiveEntry` 
- after that the code in `ZipArchiveOutputStream` can be left unchanged.


> Zip entries alignment
> ---------------------
>
>                 Key: COMPRESS-391
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-391
>             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
>
>
> Similarly to COMPRESS-390, there are requirements of the zip content to be 
> mapped directly into memory and therefore may require special alignment on 
> the embedded files. E.g. libraries may be aligned to page (4096-bytes) 
> boundary, images on 4-bytes boundary etc. By alignment it's meant the offset 
> from the beginning of file where the actual data stream starts, not the 
> header.
> One of the cases was (still is?) Android APK for which zipalign utility was 
> created.
> It would be useful if commons-compress ZipArchiveOutputStream supports 
> something similar directly in its API.



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