Review request: JDK-8005250 Downgrade normative references to ${java.home}/lib folder from Java client code. (original) (raw)
Alexey Utkin alexey.utkin at oracle.com
Tue Dec 25 14:47:56 UTC 2012
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The bug description: http://bugs.sun.com/view_bug.do?bug_id=8005250
The suggested fix: http://cr.openjdk.java.net/~uta/openjdk-webrevs/JDK-8005250/webrev.01/
The specification change:
http://cr.openjdk.java.net/~uta/openjdk-webrevs/JDK-8005250/specdiff.01/overview-summary.html
Problem: As part of the effort to prepare the platform for modules (see http://openjdk.java.net/jeps/162) we need to re-examine all normative references to files/resources in the ${java.home} directory as these may be candidates to be replaced or candidates to move to module-private locations in the future. The focus of this fix is various client APIs that specify that the default values of client properties are loaded from property files in ${java.home}/lib directory. We need the flexibility to be able to re-locate the property files when we move to modules and a module image in jdk9.
Solution: Change the specification to downgrade normative references to ${java.home}/lib directory to non-normative status. All references to this directory have been removed from external or private client APIs.
Compatibility risk: minimal There is no compatibility risk as the implementation of the applicable APIs always call the specialized methods to retrieve the values of client properties, and that implementation will continue to pre-populate any properties that have been set in the properties files in ${java.home}/lib directory. Notes have been added to the class summaries of the java.awt.datatransfer.SystemFlavorMap, javax.swing.UIManager, javax.sound.midi.MidiSystem, javax.sound.sampled.AudioSystem, javax.imageio.spi.IIORegistry APIs to state that default values for client properties are read from an implementation-specific location, and the location is typically the ${java.home}/lib directory.
Regards, -uta
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