OpenOffice.org development heavily uses the Factory Design Patternmethod design pattern.

Design patterns are conventional templates that describes how to solve common software problems. Since most developers are familiar with the patterns, they can recognize a pattern in others source code. That makes working in teams easier. There are many popular design patterns. One of them is Factory method pattern.

Factory method pattern is a type of creational pattern. Creational pattern pattern solves problems related to creating. Factory pattern solves two major problem generally faced by developers.