public class ShopKeeper {

  //客户信息
  private Consumer consumer;
  
  public ShopKeeper(Consumer consumer){
    this.consumer = consumer;
  }
  
  //外卖订单信息
  public void send(){
    System.out.println(consumer.getConName() + "的订单,店长自己送，送到胶东路520弄，11:30之前送达...");
  }
  
}

public class Consumer {

  private String conName;
  
  public Consumer(String conName){
    this.conName = conName;
  }

  public String getConName() {
    return conName;
  }
}

public class Show {

  public static void main(String[] args) {
    Consumer consumer = new Consumer("Tom");
    ShopKeeper shopKeeper = new ShopKeeper(consumer);
    shopKeeper.send();
  }
  
}

public interface Send {

  void sendName();
  void sendTime();
  void sendAddress();
  
}

/**
 * 店长对象（本尊）需要实现Send接口
 * @author user
 */
public class ShopKeeper implements Send{

  private Consumer consumer;
  
  public ShopKeeper(Consumer consumer){
    this.consumer = consumer;
  }
  
  @Override
  public void sendName() {
    System.out.print(consumer.getConName() + "的订单，");
  }
  
  @Override
  public void sendTime() {
    System.out.print("12:00之前送达，");
  }

  @Override
  public void sendAddress() {
    System.out.print("送到长岛路520弄，由代理对象配送...");
  }

/**
 * 代理对象也需要实现Send接口
 * @author user
 *
 */
public class ProxySend implements Send{

  private ShopKeeper shopKeeper;
  
  public ProxySend(Consumer consumer){
    this.shopKeeper = new ShopKeeper(consumer);
  }
  
  @Override
  public void sendName() {
    shopKeeper.sendName();
  }

  @Override
  public void sendTime() {
    shopKeeper.sendTime();
  }

  @Override
  public void sendAddress() {
    shopKeeper.sendAddress();
  }

}

public class Consumer{
  
  private String conName;

  public String getConName() {
    return conName;
  }

  public void setConName(String conName) {
    this.conName = conName;
  }
}

public class Show {

  public static void main(String[] args) {
    
    Consumer consumer = new Consumer();
    consumer.setConName("外卖张");
    ProxySend proxy = new ProxySend(consumer);
    proxy.sendName();
    proxy.sendTime();
    proxy.sendAddress();
    
  }
  
}

public abstract class Subject {

  public abstract void request(); 
  
}

public class RealSubject extends Subject {

  @Override
  public void request() {
    System.out.println("真实的请求");
  }

}

public class Proxy extends Subject{

  RealSubject realSubject;
  
  @Override
  public void request() {
    if (realSubject == null) {
      realSubject = new RealSubject();
    }
    realSubject.request();
  }

}

public class Show {

  public static void main(String[] args) {
    Proxy proxy = new Proxy();
    proxy.request();
  }
  
}