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Decorator pattern

 
Kunal Lakhani
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i have read in head first Servlet & Jsp, that
HttpServletRequestWrapper is a DECORATOR pattern


What do this "DECORATOR PATTERN"?
 
Gladwin Burboz
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http://en.wikipedia.org/wiki/Decorator_pattern

It is used to decorate HttpServletRequest object

See Decorating Servlet Request Objects

 
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