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| design_pattern:template_method_pattern [2017/10/27 10:47] – 만듦 ledyx | design_pattern:template_method_pattern [2021/02/07 03:30] (current) – [Template Method Pattern] ledyx | ||
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| * 상위 클래스에서 처리의 뼈대를 세우고, 구체적인 처리를 하위 클래스에서 실행. | * 상위 클래스에서 처리의 뼈대를 세우고, 구체적인 처리를 하위 클래스에서 실행. | ||
| - | {{tag> | + | {{tag> |
| + | |||
| + | GUI 앱에서 Menu, Sidebar를 열기/ | ||
| + | |||
| + | = AbstractClass = | ||
| + | <sxh java> | ||
| + | /** | ||
| + | * Template 역할 | ||
| + | */ | ||
| + | public abstract class AbstractLayout { | ||
| + | private int width; | ||
| + | private int height; | ||
| + | |||
| + | public AbstractLayout(int width, int height) { | ||
| + | this.width = width; | ||
| + | this.height = height; | ||
| + | } | ||
| + | |||
| + | public abstract void open(); | ||
| + | public abstract void close(); | ||
| + | |||
| + | public final int[] getMesasure() { | ||
| + | return new int[] {width, height}; | ||
| + | } | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | = ConcreteClass = | ||
| + | <sxh java> | ||
| + | public class MenuLayout extends AbstractLayout { | ||
| + | |||
| + | public MenuLayout(int width, int height) { | ||
| + | super(width, | ||
| + | } | ||
| + | |||
| + | @Override | ||
| + | public void open() { | ||
| + | System.out.println(" | ||
| + | } | ||
| + | |||
| + | @Override | ||
| + | public void close() { | ||
| + | System.out.println(" | ||
| + | } | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | <sxh java> | ||
| + | public class SidebarLayout extends AbstractLayout { | ||
| + | |||
| + | public SidebarLayout(int width, int height) { | ||
| + | super(width, | ||
| + | } | ||
| + | |||
| + | @Override | ||
| + | public void open() { | ||
| + | System.out.println(" | ||
| + | } | ||
| + | |||
| + | @Override | ||
| + | public void close() { | ||
| + | System.out.println(" | ||
| + | } | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | = Client = | ||
| + | <sxh java> | ||
| + | public class Main { | ||
| + | public static void main(String[] args) { | ||
| + | AbstractLayout menuLayout = new MenuLayout(100, | ||
| + | AbstractLayout sidebarLayout = new SidebarLayout(100, | ||
| + | |||
| + | print(menuLayout); | ||
| + | print(sidebarLayout); | ||
| + | } | ||
| + | |||
| + | private static void print(AbstractLayout layout) { | ||
| + | layout.open(); | ||
| + | layout.close(); | ||
| + | |||
| + | for(int value : layout.getMesasure()) { | ||
| + | System.out.println(value); | ||
| + | } | ||
| + | |||
| + | System.out.println(); | ||
| + | } | ||
| + | } | ||
| + | |||
| + | /* | ||
| + | Menu opened! | ||
| + | Menu closed! | ||
| + | 100 | ||
| + | 100 | ||
| + | |||
| + | Sidebar opened! | ||
| + | Sidebar closed! | ||
| + | 100 | ||
| + | 500 | ||
| + | */ | ||
| + | </ | ||