[jira] [Commented] (COMPRESS-207) add notifier support for new block in BZip2CompressorInputStream

["Stefan Bodewig (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/COMPRESS-207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15211798#comment-15211798 ] 

Stefan Bodewig commented on COMPRESS-207:
-----------------------------------------

For some reason I thought something like this would be a nice addition to 2.0 - but given the speed of development of 2.0 it would be unfair to keep you waiting.

would it make sense to extend it to also count concatenated streams? That way the same kind of notification callback could be used for gzip and xz. The block based approach could be applied to snappy as well.

> add notifier support for new block in BZip2CompressorInputStream
> ----------------------------------------------------------------
>
>                 Key: COMPRESS-207
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-207
>             Project: Commons Compress
>          Issue Type: New Feature
>          Components: Compressors
>    Affects Versions: 1.4.1
>            Reporter: Thomas Meyer
>            Priority: Minor
>              Labels: API, bzip
>         Attachments: 0001-Add-notifier-support-for-new-block-in-BZip2Compresso.patch, BZip2CompressorInputStream-add-newBlock-notifier.patch, BZip2CompressorInputStream-add-newBlock-notifier.patch, BZip2CompressorInputStream-add-newBlock-notifier.patch
>
>
> hi,
> attached patch enables an program to add a listener when a new bzip2
> block is detected.
> The notifier is called with:
>  - xxx.newBlock(this, currBlockPosition)
> - this = the current BZip2CompressorInputStream object
> - currBlockPosition = The offset (i.e. start position) in the compressed
> input stream of the current block



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