class Product  {

       private  String partA; //定义部件，部件可以是任意类型，包括值类型和引用类型

       private  String partB;

       private  String partC;

       //partA的Getter方法和Setter方法省略

       //partB的Getter方法和Setter方法省略

       //partC的Getter方法和Setter方法省略

}

abstract class Builder {
     //创建产品对象
       protected  Product product=new Product();
       public  abstract void buildPartA();
       public  abstract void buildPartB();
       public  abstract void buildPartC();
     //返回产品对象
       public  Product getResult() {
              return  product;
       }
}

class Director {
       private  Builder builder;
       public  Director(Builder builder) {
              this.builder=builder;
       }
      
       public  void setBuilder(Builder builder) {
              this.builder=builer;
       }      
       //产品构建与组装方法
       public Product construct() {
              builder.buildPartA();
              builder.buildPartB();
              builder.buildPartC();
              return builder.getResult();
       }
}

public class Client{
    public static void main(String[] args){
        Builder  builder = new ConcreteBuilder(); //可通过配置文件实现
        Director director = new  Director(builder);
        Product product = director.construct();
    }
}

abstract class ActorBuilder {
    protected static Actor actor = new Actor();
    public abstract void buildType();
    public abstract void buildSex();
    public abstract void buildFace();
    public abstract void buildCostume();
    public abstract void buildHairstyle();

    public static Actor construct(ActorBuilder ab) {
        ab.buildType();
        ab.buildSex();
        ab.buildFace();
        ab.buildCostume();
        ab.buildHairstyle();
        return actor;
    }
}

abstract class ActorBuilder {
    protected Actor actor = new Actor();

    public abstract void buildType();

    public abstract void buildSex();

    public abstract void buildHairstyle();

    //钩子方法
    public boolean isBareheaded() {
        return false;
    }

    public Actor createActor() {
        return actor;
    }
}

class DevilBuilder extends ActorBuilder {
    public void buildType() {
        actor.setType("恶魔");
    }

    public void buildSex() {
        actor.setSex("妖");
    }

    public void buildHairstyle() {
        actor.setHairstyle("光头");
    }

    //覆盖钩子方法
    public boolean isBareheaded() {
        return true;
    }
}

class ActorController {
    public Actor construct(ActorBuilder ab) {
        Actor actor;
        ab.buildType();
        ab.buildSex();
        //通过钩子方法来控制产品的构建
        if (!ab.isBareheaded()) {
            ab.buildHairstyle();
        }
        actor = ab.createActor();
        return actor;
    }
}