内容简介：Compress 1.15 发布了，包含对 tar 和 zip 格式的大修复和小改进 。此外，jar 的 manifest 文件现在包含一个 Automatic-Module-Name entry ，用于当 jar 在 Java 9 中被用作自动模块时，确保名称是 org.apache...
Compress 1.15 发布了，包含对 tar 和 zip 格式的大修复和小改进 。此外，jar 的 manifest 文件现在包含一个 Automatic-Module-Name entry ，用于当 jar 在 Java 9 中被用作自动模块时，确保名称是 org.apache.commons.compress 。
Commons Compress 库定义了一个使用 ar、 cpio、Unix dump、 tar、zip、gzip、 XZ、Pack200、bzip2、7z、arj、lzma、snappy、DEFLATE、lz4、Brotli 、Z 等格式文件的 API 。
新特性：
o Added magic MANIFEST entry Automatic-Module-Name so the module name will be org.apache.commons.compress when the jar is used as an automatic module in Java9. Issue: COMPRESS-397. o Added a new utility class FixedLengthBlockOutputStream that can be used to ensure writing always happens in blocks of a given size. Issue: COMPRESS-405. Thanks to Simon Spero. o It is now possible to specify/read custom PAX headers when writing/reading tar archives. Issue: COMPRESS-400. Thanks to Simon Spero.
bug修复：
o Make sure "version needed to extract" in local file header and central directory of a ZIP archive agree with each other. Also ensure the version is set to 2.0 if DEFLATE is used. Issue: COMPRESS-394. o Don't use a data descriptor in ZIP archives when copying a raw entry that already knows its size and CRC information. Issue: COMPRESS-395. o Travis build redundantly repeats compilation and tests redundantly GitHub Pull Request #43. Thanks to Simon Spero. Issue: COMPRESS-413 o The MANIFEST of 1.14 lacks an OSGi Import-Package for XZ for Java. Issue: COMPRESS-396. o BUILDING.md now passes the RAT check. Issue: COMPRESS-406. Thanks to Simon Spero. o Made sure ChecksumCalculatingInputStream receives valid checksum and input stream instances via the constructor. Issue: COMPRESS-412. Thanks to Michael Hausegger. o TarArchiveOutputStream now verifies the block and record sizes specified at construction time are compatible with the tar specification. In particular 512 is the only record size accepted and the block size must be a multiple of 512. Issue: COMPRESS-407. Thanks to Simon Spero. o Fixed class names of CpioArchiveEntry and CpioArchiveInputStream in various Javadocs. Issue: COMPRESS-415. o The code of the extended timestamp zip extra field incorrectly assumed the time was stored as unsigned 32-bit int and thus created incorrect results for years after 2037. Issue: COMPRESS-416. Thanks to Simon Spero. o Removed ZipEncoding code that became obsolete when we started to require Java 5 as baseline long ago. Issue: COMPRESS-410. Thanks to Simon Spero. o The tar package will no longer try to parse the major and minor device numbers unless the entry represents a character or block special file. Issue: COMPRESS-417. o When reading tar headers with name fields containing embedded NULs, the name will now be terminated at the first NUL byte. Issue: COMPRESS-421. Thanks to Roel Spilker. o Simplified TarArchiveOutputStream by replacing the internal buffering with new class FixedLengthBlockOutputStream. Issue: COMPRESS-409.
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