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

[Philip Race]

On 5/6/19, 3:11 PM, 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.

That would be awt.toolkit (sorry - copy + paste from a previous bug email).

-phil
>
> 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