8130266: Change the mechanism by which JDK loads the platform-specific GraphicsEnvironment class
Reviewed-by: serb, bchristi
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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package sun.awt;
import java.awt.GraphicsEnvironment;
import java.security.AccessController;
import java.security.PrivilegedAction;
public class PlatformGraphicsInfo {
static {
AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
System.loadLibrary("awt");
return null;
});
}
public static GraphicsEnvironment createGE() {
return new CGraphicsEnvironment();
}
/**
* Returns true if the WindowServer is available, false otherwise.
*
* @return true if the WindowServer is available, false otherwise
*/
public static native boolean isInAquaSession();
public static boolean getDefaultHeadlessProperty() {
return !isInAquaSession();
}
/*
* Called from java.awt.GraphicsEnvironment when
* getDefaultHeadlessProperty() has returned true, and
* the application has called an API that requires headful.
*/
public static String getDefaultHeadlessMessage() {
return
"\nThe application is not running in a desktop session,\n" +
"but this program performed an operation which requires it.";
}
}