Invoke a Java class in portal_normal.vm, liferay configure, liferay environment, community, forums, message, liferay works, liferay developer

Sam w	:	Hi,
		Can anyone tell me how to invoke a java class in portal_normal.vm or in any *.vm?
		eg. in portal_normal.vm, I want to do something like this:
		In order to call MyProductUtil.class, how to configure liferay environment so that the reference of its class is found in portal_normal.vm file?
		Thanks Sam
Mazhar Anwar	:	You can achieve it by extending VelocityVariables.java in portal source.
Shagul Khajamohideen	:	Hi Sam,
		The below links may help.
		http://www.liferay.com/community/forums/-/message_boards/message/3376997
		http://www.liferay.com/community/wiki/-/wiki/Main/Access+to+Liferay+services+in+Velocity
Sam w	:	The second link (ServiceLocator) might be something that I am looking for.
		I think I can write something like this:
		Thanks very much for the reference.
		I will try it out see if it works.
		Thanks Sam