/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: The9.com</p>
 * @author Jerry Shen
 * @version 0.5
 */

public class TestCommand {

 public TestCommand() {
 }
 public static void main(String[] args) {
 Light testLight = new Light();
 LightOnCommand testLOC = new LightOnCommand(testLight);
 LightOffCommand testLFC = new LightOffCommand(testLight);
 Switch testSwitch = new Switch(testLOC, testLFC);
 testSwitch.flipUp( );
 testSwitch.flipDown( );
 Fan testFan = new Fan( );
 FanOnCommand foc = new FanOnCommand(testFan);
 FanOffCommand ffc = new FanOffCommand(testFan);
 Switch ts = new Switch( foc,ffc);
 ts.flipUp( );
 ts.flipDown( );
 }
}

 //---------- Class Fan ------------------------------
 class Fan {
 public void startRotate() {
 System.out.println("Fan is Rotating now !");
 }
 public void stopRotate() {
 System.out.println("Fan is stop now !");
 }
 }
 //-----------------------------------------------------
 //---------- Class Light ----------------------------
 class Light {
 public void turnOn() {
 System.out.println("Light is on now !");
 }
 public void turnOff() {
 System.out.println("Light is off now !");
 }
 }
 //-----------------------------------------------------
 //---------- Class Switch ---------------------------
 class Switch {
 private Command UpCommand, DownCommand;
 public Switch (Command Up, Command Down) {
 UpCommand = Up;
 DownCommand = Down;
 }
 void flipUp() {
 UpCommand.execute();
 }
 void flipDown() {
 DownCommand.execute();
 }
 }
 //-----------------------------------------------------
 //---------- Class LightOnCommand -------------------
 class LightOnCommand implements Command {
 private Light myLight;
 public LightOnCommand (Light L) {
 myLight = L;
 }
 public void execute() {
 myLight.turnOn();
 }
 }
 //-----------------------------------------------------
 //---------- Class LightOffCommand ------------------
 class LightOffCommand implements Command {
 private Light myLight;
 public LightOffCommand (Light L) {
 myLight = L;
 }
 public void execute() {
 myLight.turnOff();
 }
 }
 //-----------------------------------------------------
 //---------- Class FanOnCommand ---------------------
 class FanOnCommand implements Command {
 private Fan myFan;
 public FanOnCommand (Fan F) {
 myFan = F;
 }
 public void execute() {
 myFan.startRotate();
 }
 }
 //-----------------------------------------------------
 //---------- Class FanOffCommand ---------------------
 class FanOffCommand implements Command {
 private Fan myFan;
 public FanOffCommand (Fan F) {
 myFan = F;
 }
 public void execute() {
 myFan.stopRotate();
 }
 }
 //-----------------------------------------------------