On Wed, 16 Apr 2025 07:50:00 GMT, Timofei Pushkin <tpush...@openjdk.org> wrote:

>> src/java.base/share/classes/jdk/internal/misc/CDS.java line 390:
>> 
>>> 388:             @Override
>>> 389:             public byte[] readClassFile(String className) throws 
>>> IOException {
>>> 390:                 final var subPath = className.replace('.', 
>>> File.separatorChar).concat(".class");
>> 
>> Should File.separatorChar be ‘/‘ ? (just like at line 369)
>
> No, this is an intentional difference.
> 
> Here the string is then passed to `Path.of(...)` so it should definitely be 
> `File.separatorChar` because this is what `Path.of(...)` expects.
> 
> Regarding line 369, the string is then passed to `JarFile.getEntry(String 
> name)` — I wasn't able to find the description of the format of the `name` 
> parameter so I followed the way `URLClassLoader` does it, it uses `/` for 
> loading from a JAR (and `File.separatorChar` for loading from a directory). 
> This seems logical since JAR format is platform-independent.

Thanks for the explanation.

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

PR Review Comment: https://git.openjdk.org/jdk/pull/24223#discussion_r2048268934

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