Facade design pattern - Entertainment Facade ( Bonus Example )

premaseem · premaseem · commit bdee5e97363d · 2018-02-18T19:09:53.000-06:00
diff --git a/patternBonus/src/me/premaseem/facade/ClientForEntertainmentUnitFacade.java b/patternBonus/src/me/premaseem/facade/ClientForEntertainmentUnitFacade.java
@@ -0,0 +1,50 @@
+package me.premaseem.facade;
+
+import java.util.Scanner;
+
+public class ClientForEntertainmentUnitFacade {
+
+    public static void main (String[] args) {
+        Scanner scan = new Scanner(System.in);
+        int repeatRunFlag = 1;
+
+
+        System.out.println("This is Facade Pattern example which provides a simple interface " +
+                "for the client to play a movie me entertainment unit " +
+                "(simplifies the setup process of entertainment unit) ");
+
+        EntertainmentFacade entertainmentFacade = new EntertainmentFacade();
+        while (repeatRunFlag == 1) {
+            System.out.println("What would you like to do with your entertainment unit today ");
+            System.out.println(" Press 1 for movie");
+            System.out.println(" Press 2 for music");
+            System.out.println(" Press 3 for game ");
+            int entType = scan.nextInt();
+            System.out.println("Please enter the name ");
+            String name = scan.next();
+
+
+            switch (entType) {
+                case 1:
+                    entertainmentFacade.playMovie(name);
+                    break;
+                case 2:
+                    entertainmentFacade.playMusic(name);
+                    break;
+                case 3:
+                    entertainmentFacade.playGame(name);
+                    break;
+            }
+
+            System.out.println("Press 1 for more entertainment and 0 for EXIT .... ");
+            try {
+                repeatRunFlag = scan.nextInt();
+            } catch (Exception e) {
+                repeatRunFlag = 0;
+            } finally {
+                entertainmentFacade.masterPowerOff();
+            }
+
+        }
+    }
+}
diff --git a/patternBonus/src/me/premaseem/facade/EntertainmentDevice.java b/patternBonus/src/me/premaseem/facade/EntertainmentDevice.java
@@ -0,0 +1,51 @@
+package me.premaseem.facade;
+
+public class EntertainmentDevice {
+
+}
+
+class Nexus {
+	public void downloadmedia(String name) {
+		System.out.println("Searching the media ");
+		System.out.println("Making online payment ");
+		System.out.println("downloaded from Nexus " + name);
+	}
+}
+
+class Amplifier {
+
+	void powerOn() {
+		System.out.println("Power on Amplifier");
+	}
+
+	void powerOff() {
+		System.out.println("power Off Amplifer ");
+	}
+
+	void attachAmplifierForMusic() {
+		System.out.println("Attaching music amplification");
+	}
+
+	void attachAmplifierForHomeTheater() {
+		System.out.println("Attaching movie amplification ");
+	}
+}
+
+class Projector {
+
+	void powerOn() {
+		System.out.println("Power on Projector");
+	}
+
+	void powerOff() {
+		System.out.println("power Off Projector ");
+	}
+
+	void adjustProjectorForMovie() {
+		System.out.println("Attaching home theater mode");
+	}
+
+	void adjustProjectorForGame() {
+		System.out.println("Attaching game console ");
+	}
+}
diff --git a/patternBonus/src/me/premaseem/facade/EntertainmentFacade.java b/patternBonus/src/me/premaseem/facade/EntertainmentFacade.java
@@ -0,0 +1,39 @@
+package me.premaseem.facade;
+
+public class EntertainmentFacade {
+
+	Nexus nexus = new Nexus();
+	Amplifier amplifier = new Amplifier();
+	Projector projector = new Projector();
+
+	public void playMovie(String name) {
+		nexus.downloadmedia(name);
+		masterPowerOn();
+		amplifier.attachAmplifierForHomeTheater();
+		projector.adjustProjectorForMovie();
+	}
+
+	public void playMusic(String name) {
+		nexus.downloadmedia(name);
+		amplifier.powerOn();
+		amplifier.attachAmplifierForMusic();
+	}
+
+	public void playGame(String name) {
+		nexus.downloadmedia(name);
+		masterPowerOn();
+		amplifier.attachAmplifierForMusic();
+		projector.adjustProjectorForGame();
+	}
+
+	public void masterPowerOff() {
+		amplifier.powerOff();
+		projector.powerOff();
+	}
+
+	public void masterPowerOn() {
+		amplifier.powerOn();
+		projector.powerOn();
+	}
+	
+}
