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From: Stefan Bodewig <bodewig@apache.org>
To: dev@commons.apache.org, user@commons.apache.org, announce@apache.org
Subject: [ANN] Apache Commons Compress 1.14 Released
Date: Mon, 15 May 2017 06:10:45 +0200
Message-ID: <87y3ty92uy.fsf@v45346.1blu.de>
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The Apache Commons Team is pleased to announce the release of Apache
Commons Compress 1.14.

Compress 1.14 adds support for new compression formats:

* write support for Snappy (read-only support has been added with
  Compress 1.7)
* read-only support for Brotli by wrapping the otherwise optional
  org.brotli:dec library
* Support for LZ4.

In addition new methods inside the factories separate format detection
from providing the corresponding streams and the amount of memory being
used can be limited for selected compression formats. Finally we've
fixed bugs and added new features for the zip, Snappy, CPIO and BZIP2
formats.

The Apache Commons Compress Library defines an API for working with
compression and archive formats.  These include: bzip2, gzip, pack200,
lzma, xz, Snappy, traditional Unix Compress, DEFLATE, LZ4, Brotli and
ar, cpio, jar, tar, zip, dump, 7z, arj.

Source and binary distributions are available for download from the
Apache Commons download site:

http://commons.apache.org/proper/commons-compress/download_compress.cgi

When downloading, please verify signatures using the KEYS file available
at the above location when downloading the release.

Changes in this version include:

New features:
New features:
o Added write support for Snappy.
  Issue: COMPRESS-246.
o Added support for LZ4 (block and frame format).
  Issue: COMPRESS-271.
o Add static detect(InputStream in) to CompressorStreamFactory
  and ArchiveStreamFactory
  Issue: COMPRESS-385.
o Added a way to limit amount of memory ZCompressorStream may
  use.
  Issue: COMPRESS-382. Thanks to Tim Allison.
o Added a way to limit amount of memory ZCompressorStream may
  use.
  Issue: COMPRESS-386. Thanks to Tim Allison.
o Added a way to limit amount of memory LZMACompressorStream and
  XZCompressorInputStream may use.
  Issue: COMPRESS-382. Thanks to Tim Allison.
o Add Brotli decoder based on the Google Brotli library.
  Issue: COMPRESS-392. Thanks to Philippe Mouawad.
o ZipEntry now exposes its data offset.
  Issue: COMPRESS-390. Thanks to Zbynek Vyskovsky.
o Using ZipArchiveEntry's setAlignment it is now possible to
  ensure the data offset of an entry starts at a file position
  that at word or page boundaries.
  A new extra field has been added for this purpose.
  Issue: COMPRESS-391. Thanks to Zbynek Vyskovsky.

Fixed Bugs:
o SnappyCompressorInputStream slides the window too early
  leading to ArrayIndexOutOfBoundsExceptions for some streams.
  Issue: COMPRESS-378.
o ZipArchiveEntry#isUnixSymlink now only returns true if the
  corresponding link flag is the only file-type flag set.
  Issue: COMPRESS-379. Thanks to Guillaume Bou=C3=A9.
o Fixed an integer overflow in CPIO's CRC calculation.
  Pull Request #17. Thanks to Daniel Collin.
o Make unit tests work on Windows paths with spaces in their names.
  Issue: COMPRESS-387.
o Internal location pointer in ZipFile could get incremented
  even if nothing had been read.
  Issue: COMPRESS-389.
o LZMACompressorOutputStream#flush would throw an exception
  rather than be the NOP it promised to be.
  Issue: COMPRESS-393.

Changes:
o The blocksize for FramedSnappyCompressorInputStream can now be
  configured as some IWA files seem to be using blocks larger
  than the default 32k.
  Issue: COMPRESS-358.
o BZip2CompressorInputstream now uses BitInputStream internally.
  Pull Request #13. Thanks to Thomas Meyer.
o Improved performance for concurrent reads from ZipFile when
  reading from a file.
  Issue: COMPRESS-388. Thanks to Zbynek Vyskovsky.

For complete information on Commons Compress, including instructions
on how to submit bug reports, patches, or suggestions for improvement,
see the Apache Commons Compress website:

http://commons.apache.org/compress/

Stefan Bodewig, on behalf of the Apache Commons community
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