Integrated: 8357598: Toolkit.removeAWTEventListener should handle null listener in AWTEventListenerProxy

[Sergey Bylokhov]

On Thu, 22 May 2025 21:21:30 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> The issue was found here: https://github.com/openjdk/jdk/pull/24692#discussion_r2089545502
> 
> AWTEventListener and AWTEventListenerProxy are public classes and there's no assertion that EventListenerProxy.getListener() will always return a non-null value. So removeAWTEventListener method should fetch the listener from the proxy and check it for null similar to how it is implemented in addAWTEventListener. Currently, it works fine because we never insert null values into the map. So it is just a code clarification.
> 
> One of the test is updated just to touch that codepath.

This pull request has now been integrated.

Changeset: 3a3ea7e1
Author:    Sergey Bylokhov <serb at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/3a3ea7e17fff100e368c956350bb9aaa2261b8a9
Stats:     48 lines in 2 files changed: 28 ins; 15 del; 5 mod

8357598: Toolkit.removeAWTEventListener should handle null listener in AWTEventListenerProxy

Reviewed-by: aivanov, dnguyen

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

PR: https://git.openjdk.org/jdk/pull/25401