<AWT Dev> RFR: 8212700: Change the mechanism by which JDK loads the platform-specific AWT Toolkit

Sergey Bylokhov Sergey.Bylokhov at oracle.com
Wed May 8 02:47:24 UTC 2019

Hi, Phil.

Looks fine, but probably it will be worth to rename PlatformGraphicsInfo to PlatformInfo?

On 06/05/2019 15:11, Phil Race wrote:
> Bug: https://bugs.openjdk.java.net/browse/JDK-8212700
> CSR: https://bugs.openjdk.java.net/browse/JDK-8223417
> Webrev: https://cr.openjdk.java.net/~prr/8212700
> Please review this bug + CSR to remove the awt.headless system property.
> This should be the last of the fixes to remove use of system
> properties set in the launcher to specify per-platform
> internal classes and/or behaviours of the java.desktop module.
> Half of the change is removing code from the launcher, and
> then some small changes in Toolkit.java to consult a new
> method in the per-platform internal PlatformGraphicsInfo.java class.
> However it was also necessary to update each of the platform toolkit class
> constructor code since they all get/set a system property to support
> extra mouse buttons (I don't know why this could not be shared in
> SunToolkit but that is another matter than this fix), and two of them
> access the root thread group. Previously they inherited privileges
> from the code in java.awt.Toolkit which instantiated them but now
> they need to assert the privileges directly - at to the point of use.
> As well as adding a simple new regression test, all the automated
> headless tests and many automated headful tests were run as well
> as basic manual testing.
> The CSR also covers updating the javadoc of Toolkit.getDefaultToolkit()
> -phil

Best regards, Sergey.

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