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From "Stefan Bodewig (JIRA)" <>
Subject [jira] Created: (SANDBOX-276) A few upstream (Ant) changes to the ZIP package
Date Fri, 30 Jan 2009 15:16:59 GMT
A few upstream (Ant) changes to the ZIP package

                 Key: SANDBOX-276
             Project: Commons Sandbox
          Issue Type: Improvement
          Components: Compress
            Reporter: Stefan Bodewig
            Priority: Minor

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.
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).

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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