It has been pushed to JDK8:
http://hg.openjdk.java.net/jdk8/tl/jdk/rev/dfe5617c18b4It was contributed by Gary Collins and reviewed by myself (dholmes) and Lance Andersen (lancea). The review thread is here:
http://mail.openjdk.java.net/pipermail/core-libs-dev/2012-June/010589.html Thanks, David
