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

[Andrey Turbanov]

On Mon, 1 Sep 2025 07:36:51 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.
> 
> The first commit is a cherry-pick of the backport to JDK 11 with conflicts unresolved, the second resolves the conflicts, the rest resolve issues uncaught by git.
> 
> Resolved:
> - `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)

jdk/src/share/classes/com/sun/media/sound/JARSoundbankReader.java line 91:

> 89:         if (stream == null)
> 90:             return null;
> 91:         try {

There should be try-with-resources

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PR Review Comment: https://git.openjdk.org/jdk8u-dev/pull/686#discussion_r2313598761