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From "Torsten Curdt (JIRA)" <>
Subject [jira] Closed: (COMPRESS-39) A few upstream (Ant) changes to the ZIP package
Date Tue, 13 Apr 2010 20:43:53 GMT


Torsten Curdt closed COMPRESS-39.

> A few upstream (Ant) changes to the ZIP package
> -----------------------------------------------
>                 Key: COMPRESS-39
>                 URL:
>             Project: Commons Compress
>          Issue Type: Improvement
>            Reporter: Stefan Bodewig
>            Assignee: Torsten Curdt
>            Priority: Minor
>             Fix For: 1.0
> I've recently applied three patches to the Ant code base that may be of interest to commons-compress
as well.
> use more modern collections (since Ant trunk now officially is JDK 1.4+).  This results
in some minor performance improvements because of less synchronization and a theoretical bigger
improvement for entries with many extra fields.
> make sure the archive is closed in the presence of a RuntimeExcepetion which may happen
when LFH parsing fails.
> Fixes
> skip extra fields that don't follow the recommended HEADER-ID, LENGTH structure at the
end of the extra field (this is what unzip does as well).
> Fixes
> There are two more issues open in Ant's bugzilla I may be working on over the next few
weeks (low prio for me):
> - which may be impossible to
do in a backwards compatible way (not a concern for a sandbox component, I guess) and the
more important which would allow
archives to contain files bigger than 2 GB and support UTF8 filenames in a more portable way.
> Technically I am a commons committer, maybe we can collaborate on the required changes
via the commons dev list (or Ant's).

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