On Tue, 16 Jun 2026 15:46:20 GMT, Chen Liang <[email protected]> wrote:

>> Introduce a `PathResolution` to `ExplodedImage` to remove a lot of ad-hoc 
>> treatments of preview path discovery. Also some general comments and test 
>> additions.
>> 
>> One interesting thing is the mainline jimage is not mapping 
>> `META-INF/preview/file` to `file` when preview is enabled; it does map 
>> `META-INF/preview/dir/file` to `dir/file`. Don't know if this is intended; 
>> exploded image performs the first mapping, which differs from jimage.
>> 
>> ---------
>> - [x] I confirm that I make this contribution in accordance with the 
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> Chen Liang 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:
> 
>  - Review remarks
>  - Merge branch 'lworld' of https://github.com/openjdk/valhalla into 
> cleanup/lw-jrtfs
>  - Cleanup ExplodedImage and enhance SystemImageTest

src/java.base/share/classes/jdk/internal/jrtfs/ExplodedImage.java line 228:

> 226:     }
> 227: 
> 228:     static final class PathResolution {

The naming is a bit awkward, using something like ResolvedPaths would make it 
easier to read, and would make the field in PathNode easier to understand too.

src/java.base/share/classes/jdk/internal/jrtfs/ExplodedImage.java line 333:

> 331: 
> 332:     // Ensures this is a name taking form /modules/... with no trailing 
> slash.
> 333:     private static boolean isRealPathName(String name) {

"real path" has connotations, suggesting it might be testing if the path is a 
canonicalized path. Something simple isModulesPath is okay or leave it as it 
was.

-------------

PR Review Comment: 
https://git.openjdk.org/valhalla/pull/2545#discussion_r3427674446
PR Review Comment: 
https://git.openjdk.org/valhalla/pull/2545#discussion_r3427612463

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