Facade Pattern

design-pattern/src/Facade/Application.java

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+package Facade;
+
+import Facade.system.Facade;
+
+public class Application {
+
+    public static void main(String[] args) {
+        Facade facade = new Facade();
+        facade.process();
+    }
+}

design-pattern/src/Facade/Facade

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+Facade Pattern
+ - 복잡한 과정을 간단하게 제공

design-pattern/src/Facade/system/Facade.java

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+package Facade.system;
+
+public class Facade {
+
+    private HelpSystem01 helpSystem01;
+    private HelpSystem02 helpSystem02;
+    private HelpSystem03 helpSystem03;
+
+    public Facade() {
+        helpSystem01 = new HelpSystem01();
+        helpSystem02 = new HelpSystem02();
+        helpSystem03 = new HelpSystem03();
+    }
+
+    public void process() {
+        helpSystem01.process();
+        helpSystem02.process();
+        helpSystem03.process();
+    }
+}

design-pattern/src/Facade/system/HelpSystem01.java

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+package Facade.system;
+
+class HelpSystem01 {
+
+    public HelpSystem01() {
+        System.out.println("Call Constructor : " + getClass().getName());
+    }
+
+    public void process() {
+        System.out.println("Call Process : " + getClass().getSimpleName());
+    }
+}

design-pattern/src/Facade/system/HelpSystem02.java

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+package Facade.system;
+
+class HelpSystem02 {
+
+    public HelpSystem02() {
+        System.out.println("Call Constructor : " + getClass().getName());
+    }
+
+    public void process() {
+        System.out.println("Call Process : " + getClass().getSimpleName());
+    }
+}

design-pattern/src/Facade/system/HelpSystem03.java

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+package Facade.system;
+
+class HelpSystem03 {
+
+    public HelpSystem03() {
+        System.out.println("Call Constructor : " + getClass().getName());
+    }
+
+    public void process() {
+        System.out.println("Call Process : " + getClass().getSimpleName());
+    }
+}