@Override
    public void log(Level jplLevel, ResourceBundle bundle, String msg, Throwable thrown) {
        log(jplLevel, bundle, msg, thrown, (Object[]) null);
    }
Transform a {@link Level} to {@link org.slf4j.event.Level}.

This method assumes that Level.ALL or Level.OFF never reach this method.

@param jplLevel
@return
slf4j-jdk-platform-logging/src/main/java/org/slf4j/jdk/platform/logging/SLF4JPlatformLogger.java