RFR: 8273581: Change the mechanism by which JDK loads the platform-specific FontManager class

[Prasanta Sadhukhan]

On Wed, 15 Sep 2021 05:52:54 GMT, Alexander Scherbatiy <alexsch at openjdk.org> wrote:

> FontManagerFactory class uses reflection to load platform specific FontManager classes from "sun.font.fontmanager" property.
> 
> Fix proposes creating FontManager platform specific classes directly in the similar way as it has been already done for GraphicsEnvironment and AWT Toolkit ([JDK-8130266](https://bugs.openjdk.java.net/browse/JDK-8130266) and [JDK-8212700](https://bugs.openjdk.java.net/browse/JDK-8212700)).
> 
> FontManager is internal jdk class. It is placed in `sun.font` package and java modularization encapsulates  FontManager from subclassing and using by a user.
> 
> The fix reuses PlatformGraphicsInfo to create FontManager platform specific classes. May be FontManager creation code needs to be placed in its own info classes.

test/jdk/sun/awt/font/CheckFontManagerSystemProperty.java line 33:

> 31: 
> 32:     public static void main(String[] args) {
> 33:         String tkProp = System.getProperty("sun.font.fontmanage");

Should it not be sun.font.fontmanager?

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

PR: https://git.openjdk.java.net/jdk/pull/5517