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From "Stefan Bodewig (JIRA)" <>
Subject [jira] [Commented] (COMPRESS-327) Support in-memory processing for ZipFile
Date Wed, 12 Oct 2016 15:17:20 GMT


Stefan Bodewig commented on COMPRESS-327:

Current git master's 7z package is able to deal with {{SeekableByteChannel}} and doesn't require
{{RandomAccessFile}} anymore. I plan to do the same to the zip package. The current code could
be improved to use cached {{ByteBuffer}}s in order to reduce memory consumption.

We may want to add an implementation of {{SeekableByteChannel}} wrapped around a {{byte[]}}}.

> Support in-memory processing for ZipFile
> ----------------------------------------
>                 Key: COMPRESS-327
>                 URL:
>             Project: Commons Compress
>          Issue Type: New Feature
>            Reporter: Brett Kail
>            Priority: Minor
>             Fix For: 1.13
>         Attachments: 0001-Add-a-SeekableInputStream-and-some-subclasses-that-Z.patch
> ZipFile (and SevenZFile) currently require a File argument, but it would be nice to support
in-memory byte buffers rather than requiring temp files.  Perhaps create a new SeekableInputStream
class (or SeekableDataInput interface) and add corresponding constructors.
> For convenience, perhaps also add a utility class that wraps a ByteBuffer and/or byte[]
and implements the new interface.
> (The sevenz package appears to have a similar limitation, so it might make sense to add
the support there at the same time, but I personally don't have a need for that.)

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