[jdk8u-dev] RFR: 8274893: Update java.desktop classes to use try-with-resources [v4]

[Andrew John Hughes]

On Mon, 9 Feb 2026 21:47:38 GMT, Timofei Pushkin <tpushkin at openjdk.org> wrote:

>> Backport of [JDK-8274893](https://bugs.openjdk.org/browse/JDK-8274893) for parity with Oracle's JDK 8u461.
>> 
>> Resolved conflicts:
>> - `jdk/src/share/classes/com/sun/java/swing/plaf/gtk/Metacity.java`
>>   - Missing JDK-8271456: `"ISO-8859-1"` string is used instead of `ISO_8859_1` enum constant
>>   - Missing JDK-8041679: `StringBuffer` is used instead of `StringBuilder`
>> - `jdk/src/share/classes/javax/swing/text/html/HTMLEditorKit.java`
>>   - Missing JDK-8271456: `"ISO-8859-1"` string is used instead of `ISO_8859_1` enum constant
>> - `jdk/src/share/classes/com/sun/media/sound/StandardMidiFileWriter.java`
>>   - Missing JDK-8143909: no `Objects.requireNonNull(...)` in this version
>> - `jdk/src/solaris/classes/sun/awt/motif/MFontConfiguration.java`
>>   - Missing JDK-8054834: imports from `sun.font` package are still needed in this file
>> - `jdk/src/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java`
>>   - Missing JDK-8080835: use `IOUtils.readAllBytes(InputStream is)` instead of the missing `InputStream.readAllBytes()`
>> - Missing JDK-7196163: try-with-resources cannot be used with pre-existing variables — fell back to try-finally in such cases
>> 
>> Testing: GitHub CI, `jdk_imageio` test group locally (headless linux/arm64)
>
> Timofei Pushkin 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 three additional commits since the last revision:
> 
>  - Merge remote-tracking branch 'openjdk-jdk8/master' into 8274893-jdk8
>  - Use try-with-resources in more cases
>  - 8274893: Update java.desktop classes to use try-with-resources
>    
>    Backport-of: 70c6df6be431fe11c5441986ed04040f9ec3b750

Thanks for the additional changes. You managed to cover more cases than I expected and it looks good.

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Marked as reviewed by andrew (Reviewer).

PR Review: https://git.openjdk.org/jdk8u-dev/pull/686#pullrequestreview-3782534652