Robin Schimpf created COMPRESS-540:
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Summary: Random access on Tar archive
Key: COMPRESS-540
URL: https://issues.apache.org/jira/browse/COMPRESS-540
Project: Commons Compress
Issue Type: Improvement
Reporter: Robin Schimpf
The TarArchiveInputStream only provides sequential access. If only a small
amount of files from the archive is needed large amount of data in the input
stream needs to be skipped.
Therefore I was working on a implementation to provide random access to
TarFiles equal to the ZipFile api. The basic idea behind the implementation is
the following
* Random access is backed by a SeekableByteChannel
* Read all headers of the tar file and save the place to the data of every
header
* User can request an input stream for any entry in the archive multiple times
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