Java how can i add this? Where Python have already

I would like to do the same with Java. Any idea if we have such for Java? To work in cross platform specially in Linux/Bsd/Mac.

example: http://www.chromium.org/developers/testing/pyauto

• i want to take screen shot of a website and show a preview like ( http://www.google.com shows site 开发者_如何学Cpreview)

The Cobra project is one place to start looking for a Java HTML renderer.