Proxy pattern - Definition and Overview

In computer programming, a proxy pattern is a software design pattern.

A proxy, in its most general form, is a class functioning as an interface to another thing. The other thing could be anything, a network connection, a large object in memory, a file, ...

A well-known example of the proxy pattern is a reference-counting pointer object, also known as an auto pointer.

See also

• Composite pattern
• Decorator pattern

External links

• Proxy Pattern in Java (http://wiki.java.net/bin/view/Javapedia/ProxyPattern)
• Description from the Pattern Digest (http://patterndigest.com/patterns/Proxy.html)
• Description (http://home.earthlink.net/~huston2/dp/proxy.html) by Vince Huston