추상 팩토리 패턴 편집하기

==개요==
;abstract factory pattern
;추상 팩토리 패턴
*부품을 조립해서 제품을 만드는 구조
*객체를 통해 제품을 생산
*객체 구성

[[File:Abstract factory.svg]]

==예제 (java)==
<source lang='java'>
/* GUIFactory example -- */
 
interface Button {
    void paint();
}
 
interface GUIFactory {
    Button createButton();
}
 
class WinFactory implements GUIFactory {
    public Button createButton() {
        return new WinButton();
    }
}
 
class OSXFactory implements GUIFactory {
    public Button createButton() {
        return new OSXButton();
    }
}
 
class WinButton implements Button {
    public void paint() {
        System.out.println("I'm a WinButton");
    }
}
 
class OSXButton implements Button {
    public void paint() {
        System.out.println("I'm an OSXButton");
    }
}
 
class Application {
    public Application(GUIFactory factory) {
        Button button = factory.createButton();
        button.paint();
    }
}
 
public class ApplicationRunner {
    public static void main(String[] args) {
        new Application(createOsSpecificFactory());
    }
 
    public static GUIFactory createOsSpecificFactory() {
        int sys = readFromConfigFile("OS_TYPE");
        if (sys == 0) return new WinFactory();
        else return new OSXFactory();
    }
}
</source>

==같이 보기==
*[[Builder 패턴]]
*[[Factory method 패턴]]
*[[Composite 패턴]]
*[[Singleton 패턴]]
*[[디자인 패턴]]

==참고 자료==
*http://en.wikipedia.org/wiki/Abstract_factory_pattern

[[분류: 디자인 패턴]]