RFR: 8376434: Remove AppContext from awt ImageFetcher implementation

[Alexey Ivanov]

On Wed, 28 Jan 2026 06:56:15 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> Remove AppContext from ImageFetcher
>
> src/java.desktop/share/classes/sun/awt/image/ImageFetcher.java line 330:
> 
>> 328: 
>> 329:     static FetcherInfo getFetcherInfo() {
>> 330:         return FETCHER_INFO;
> 
> Can you please refresh my memory as to why synchronization will not be required for this?
> I understand Swing is not thread-safe but there can be multiple images and this is called from `ImageFetcher.add`, `ImageFetcher.remove` etc and it can create "new FetcherInfo" instances, which is not desired, if access is not synchronized, or so I think..

An interesting question… I think synchronisation is not required here because the method returns a static final field.

Access to the fields needs synchronisation, though; and the synchronisation is present as far as I can see, the methods of the class use `synchronized(info.waitList)`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/29441#discussion_r2737520438