RFR: 4452735: Add GZIPOutputStream constructor to specify Deflater [v3]
Archie Cobbs
acobbs at openjdk.org
Thu Jan 2 18:26:16 UTC 2025
> The class `GZIPOutputStream` extends `DeflaterOutputStream`, which is logical because the GZIP encoding is based on ZLIB "deflate" encoding.
>
> However, while `DeflaterOutputStream` provides constructors that take a custom `Deflater` argument supplied by the caller, `GZIPOutputStream` has no such constructors.
>
> As a result, it's not possible to do entirely reasonable customization, such as configuring a `GZIPOutputStream` for a non-default compression level.
>
> This change adds a new `GZIPOutputStream` constructor that accepts a custom `Deflater`, and also adds a basic unit test for it and all of the other `GZIPOutputStream` constructors, based on the existing test `BasicGZIPInputStreamTest.java` which does the same thing for `GZIPInputStream`.
Archie Cobbs has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains six additional commits since the last revision:
- Bump copyright year to 2025.
- Merge branch 'master' into JDK-4452735
- Address review comments.
- Merge branch 'master' into JDK-4452735
- Merge branch 'master' into JDK-4452735
- Add a GZIPOutputStream() constructor that takes a Deflator.
-------------
Changes:
- all: https://git.openjdk.org/jdk/pull/20226/files
- new: https://git.openjdk.org/jdk/pull/20226/files/ab16e47d..b3a40b1c
Webrevs:
- full: https://webrevs.openjdk.org/?repo=jdk&pr=20226&range=02
- incr: https://webrevs.openjdk.org/?repo=jdk&pr=20226&range=01-02
Stats: 172062 lines in 5031 files changed: 118773 ins; 36525 del; 16764 mod
Patch: https://git.openjdk.org/jdk/pull/20226.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/20226/head:pull/20226
PR: https://git.openjdk.org/jdk/pull/20226
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