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https://issues.apache.org/jira/browse/COMPRESS-263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14030613#comment-14030613
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Stefan Bodewig commented on COMPRESS-263:
-----------------------------------------
Thanks, I'll probably commit this during the weekend (minus the changes to the
POM ;-) )
One thing I might quibble about is the name of isZlibHeaderPresent - this reads
the wrong way when applied to the writing side, where should...BePresent was
more appropriate. How about withZlibHeader?
Also, do you think it possible to auto-detect the format, at least in the case
where the stream contains a ZLIB header?
> Add DEFLATE support
> -------------------
>
> Key: COMPRESS-263
> URL: https://issues.apache.org/jira/browse/COMPRESS-263
> Project: Commons Compress
> Issue Type: New Feature
> Components: Compressors
> Reporter: Matthias Stevens
> Labels: features
> Fix For: 1.9
>
> Attachments: COMPRESS-263_DeflateSupport.patch,
> COMPRESS-263_DeflateSupport_v1.1.patch, bla.tar.deflate, bla.tar.deflatez
>
>
> GZIP is not a compression algorithm "as such". The de facto (and currently
> the only supported) compression algorithm it uses is DEFLATE.
> GZIP adds a header of minimum 10 bytes and a footer of 8 bytes to a
> "deflated" data stream. Find out more here:
> http://en.wikipedia.org/wiki/Gzip#File_format
> I have no problem with the current GZIP support, but it would be nice if
> CommonsCompress would also have compression and decompression support for
> "raw" DEFLATE streams and DEFLATE streams with the zlib header.
> Similarly to the GZIP support in CommonsCompress these functionality can be
> implemented very easily using the standard java.util.zip package, as done in
> the provided patch.
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