<AWT Dev> A simple method to check headless property
artem.ananiev at oracle.com
Fri Apr 6 03:41:56 PDT 2012
your assumption about "Windows vs everything else" is not quite correct.
Mac OS X is now officially supported platforms, and we don't want to
fall into the headless mode on that platform if DISPLAY is unset, right?
On 4/5/2012 10:21 AM, Sean Chou wrote:
> Hi all,
> I thought the code to check headless property
> in src/share/classes/java/awt/GraphicsEnvironment.java is a
> little redundant, it checks every platform one by one.
> "headless = defaultHeadless =
> Boolean.valueOf(("Linux".equals(osName) ||
> "SunOS".equals(osName) ||
> "FreeBSD".equals(osName) ||
> "NetBSD".equals(osName) ||
> "OpenBSD".equals(osName)) &&
> (System.getenv("DISPLAY") == null));
> As java is used on more platforms than officially supported by
> openjdk, and so far we can see the only excluded platform is windows. If
> this piece of code can be changed to exclude window only, it would be
> simpler to port.
> I made a webrev for it:
> Would anyone like to take a look and give some comments ? Thanks.
> Best Regards,
> Sean Chou
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