外观模式 - ToB企服应用市场:ToB评测及商务社交产业平台

/**
* @author 长名06
* @version 1.0
* 界面类
*/
public class HomeTheaterFacade {
private DVDPlayer dvdPlayer = DVDPlayer.getDvdPlayer();
public Popcorn popcorn = Popcorn.getPopcorn();
public Projector projector = Projector.getProjector();
public Stereo stereo = Stereo.getStereo();
public Screen screen = Screen.getScreen();
public TheaterLight theaterLight = TheaterLight.getTheaterLight();
public void ready(){
popcorn.on();
popcorn.pop();
dvdPlayer.on();
projector.on();
screen.down();
stereo.on();
theaterLight.dim();
}
public void play(){
dvdPlayer.play();
}
public void end(){
popcorn.off();
dvdPlayer.off();
projector.off();
screen.up();
stereo.off();
theaterLight.off();
}
public void pause(){
dvdPlayer.pause();
stereo.setVolume();
}
}
/**
* @author 长名06
* @version 1.0
* 爆米花机
*/
public class Popcorn {
private static Popcorn popcorn = new Popcorn();
public static Popcorn getPopcorn(){
return popcorn;
}
private Popcorn(){
}
public void on(){
System.out.println("爆米花机打开");
}
public void off(){
System.out.println("爆米花机关闭");
}
public void pop(){
System.out.println("爆米花机爆米花中");
}
}
/**
* @author 长名06
* @version 1.0
* 投影仪
*/
public class Projector {
private static Projector projector = new Projector();
public static Projector getProjector(){
return projector;
}
private Projector() {
}
public void on(){
System.out.println("投影仪打开");
}
public void off(){
System.out.println("投影仪关闭");
}
public void focus(){
System.out.println("投影仪聚焦");
}
}
/**
* @author 长名06
* @version 1.0
* 投影屏幕
*/
public class Screen {
private static Screen screen = new Screen();
public static Screen getScreen(){
return screen;
}
private Screen() {
}
public void down(){
System.out.println("放下投影屏幕");
}
public void up(){
System.out.println("升起投影屏幕");
}
}
/**
* @author 长名06
* @version 1.0
* 立体声
*/
public class Stereo {
private static Stereo stereo = new Stereo();
public static Stereo getStereo() {
return stereo;
}
private Stereo() {
}
public void on() {
System.out.println("立体声打开");
}
public void off() {
System.out.println("立体声关闭");
}
public void setVolume(){
System.out.println("立体声设置音量");
}
}
/**
* @author 长名06
* @version 1.0
* 灯光
*/
public class TheaterLight {
private static TheaterLight theaterLight = new TheaterLight();
public static TheaterLight getTheaterLight(){
return theaterLight;
}
private TheaterLight() {
}
public void on(){
System.out.println("打开灯光");
}
public void off(){
System.out.println("关闭灯光");
}
public void dim(){
on();//先打开再调暗
System.out.println("调暗灯光");
}
public void bright(){
System.out.println("调量灯光");
}
}
/**
* @author 长名06
* @version 1.0
* dvd播放器
*/
public class DVDPlayer {
private static DVDPlayer dvdPlayer = new DVDPlayer();
public static DVDPlayer getDvdPlayer(){
return dvdPlayer;
}
private DVDPlayer(){
}
public void on(){
System.out.println(" dvd播放器打开");
}
public void off(){
System.out.println(" dvd播放器关闭");
}
public void pause(){
System.out.println(" dvd播放器暂停");
}
public void play(){
System.out.println(" dvd播放器播放");
}
}
//调用者
public class Client {
public static void main(String[] args) {
HomeTheaterFacade homeTheaterFacade = new HomeTheaterFacade();
homeTheaterFacade.ready();
System.out.println("--------");
homeTheaterFacade.play();
System.out.println("--------");
homeTheaterFacade.pause();
System.out.println("--------");
homeTheaterFacade.end();
}
}

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//org.apache.ibatis.session.Configuration类的方法
public MetaObject newMetaObject(Object object) {
return MetaObject.forObject(object, objectFactory, objectWrapperFactory, reflectorFactory);
}
//MetaObject的forObject方法
public static MetaObject forObject(Object object, ObjectFactory objectFactory, ObjectWrapperFactory objectWrapperFactory, ReflectorFactory reflectorFactory) {
if (object == null) {
return SystemMetaObject.NULL_META_OBJECT;
} else {
return new MetaObject(object, objectFactory, objectWrapperFactory, reflectorFactory);
}
}
//会调用到MetaObject类中的该方法
private MetaObject(Object object, ObjectFactory objectFactory, ObjectWrapperFactory objectWrapperFactory, ReflectorFactory reflectorFactory) {
this.originalObject = object;
this.objectFactory = objectFactory;
this.objectWrapperFactory = objectWrapperFactory;
this.reflectorFactory = reflectorFactory;
if (object instanceof ObjectWrapper) {
this.objectWrapper = (ObjectWrapper) object;
} else if (objectWrapperFactory.hasWrapperFor(object)) {
this.objectWrapper = objectWrapperFactory.getWrapperFor(this, object);
} else if (object instanceof Map) {
this.objectWrapper = new MapWrapper(this, (Map) object);
} else if (object instanceof Collection) {
this.objectWrapper = new CollectionWrapper(this, (Collection) object);
} else {
this.objectWrapper = new BeanWrapper(this, object);
}
}

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