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Updated README.md

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joshzambales 2015-04-03 18:27:01 +08:00
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@ -58,6 +58,19 @@ Presentation Tier patterns are the top-most level of the application, this is co
* [Intercepting Filter](#intercepting-filter)
## <a name="intercepting-filter">Intercepting Filter</a> [&#8593;](#list-of-design-patterns)
**Intent:** Provide an interfa
![alt text](https://github.com/iluwatar/java-design-patterns/blob/master/abstract-factory/etc/abstract-factory_1.png "Abstract Factory")
**Applicability:** Use the Intercepting Filter pattern when
* Used when system uses pre-processing or post-processing requests
* a family of related product objects is designed to be used together, and you need to enforce this constraint
* you want to provide a class library of products, and you want to reveal just their interfaces, not their implementations
**Real world examples:**
* [javax.xml.parsers.DocumentBuilderFactory](http://docs.oracle.com/javase/8/docs/api/javax/xml/parsers/DocumentBuilderFactory.html)
## <a name="abstract-factory">Abstract Factory</a> [&#8593;](#list-of-design-patterns)
**Intent:** Provide an interface for creating families of related or dependent objects without specifying their concrete classes.