RFR: 8365467: Fix multiple issues in ExplodedImage

[David Beaumont]

On Wed, 13 Aug 2025 12:23:33 GMT, David Beaumont <duke at openjdk.org> wrote:

>> This PR addresses several issues found while adding unit tests for ExplodedImage.
>> I have added review comments for changes (some of which are a little preferential, but bring the code into line with things like ImageReader in terms of the name choices for variables).
>> Later it is likely that this code will be adapted for the up-coming preview mode support in Valhalla, so having it unit-testable is important.
>
> src/java.base/share/classes/jdk/internal/jrtfs/ExplodedImage.java line 95:
> 
>> 93:         }
>> 94: 
>> 95:         @Override
> 
> Discovered this method was missing during testing. I *think* this logic is what's needed here, but I would like someone to just double check.

Is that thumbs up and confirmation that you've checked it?

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PR Review Comment: https://git.openjdk.org/jdk/pull/26757#discussion_r2309542199