[OpenJDK 2D-Dev] RFR: 8130264 : change the mechanism by which JDK loads the platform-specific PrinterJob implementation

Roger Riggs Roger.Riggs at oracle.com
Fri Nov 16 20:11:41 UTC 2018

Hi Phil,

Looks fine from the core-libs perspective.

Thanks, thanks for removing this cross module dependency.


On 11/15/2018 04:41 PM, Phil Race wrote:
> bug: http://cr.openjdk.java.net/~prr/8130264/
> webrev: http://cr.openjdk.java.net/~prr/8130264/
> Currently java launcher code embeds the name of the java.desktop 
> module's PrinterJob
> implementation class for each platform in a system property which is 
> later
> read by the java.desktop code to use to reflectively locate the class 
> and instantiate it.
> This fix removes that entirely from the launcher code and the desktop 
> module
> now looks it up internally via a simple platform proxy class.
> This builds on all platforms and we rely on existing printing tests to 
> verify
> that we can still locate the implementation class.
> The new regression test just verifies the system property name space 
> is no longer polluted.
> I didn't find any test (apart from this new one) that references it.
> Since that system property has been around for a long time I am 
> thinking I should file a CSR
> to document its removal .. unless there is a concensus it is not 
> necessary.
> -phil.

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