package oldMark7_Anotation_v1;
/**
 * 1.每个类调用的时候，通过判断注解来进行反射对象
 *
 * 2.注解中的参数，可以通过配置文件获取(注解中的参数，可以当做类的一个属性，然后获取配置文件中的值)
 */
public class Client {
    public static void main(String[] args){
        Notice notice = new Notice();
        notice.send();
    }
}

package oldMark7_Anotation_v1;
public abstract class Executant {
    public String name;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public abstract void OpenDoor(Executant executant);
}

package oldMark7_Anotation_v1;
public class Helaoshi extends Executant {
    public Helaoshi(String name) {
        this.name = name;
    }
    public Helaoshi(){}
    public void OpenDoor(Executant executant){
        this.privateOpenDoor(executant);
    }
    private void  privateOpenDoor(Executant executant){
        System.out.println("我是"+this.name+"，我去开门了！");
    }
}

package oldMark7_Anotation_v1;
public class Milaoshi extends Executant {
    public Milaoshi(String name) {
        this.name = name;
    }
    public Milaoshi(){}
    private void privateOpenDoor(Executant executant){
        System.out.println(this.name+"调用"+executant.getName()+"开门的方法");
        executant.OpenDoor(executant);
    }
    public void OpenDoor(Executant executant){
        this.privateOpenDoor(executant);
    }
}

package oldMark7_Anotation_v1;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface MyResource {
    String packageName();
}

package oldMark7_Anotation_v1;
import java.lang.reflect.Field;
public class MyResourceExplanationFactoryImpl {
    public static void createBean(Object object){
        createBeanPrivate(object);
    }
    private static void createBeanPrivate(Object object){
        try {
            //1.获取传进来的对象的类模板
            Class<?> clazzObj = object.getClass();
            Field[] fields = clazzObj.getFields();
            for (Field field:fields) {
                if(field.isAnnotationPresent(MyResource.class)){
                    String packageName = field.getAnnotation(MyResource.class).packageName();
                    Class<?> clazz = Class.forName(packageName);
                    Executant executant = (Executant)clazz.newInstance();
                    field.setAccessible(true);
                    field.set(object, executant);
                }
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}

package oldMark7_Anotation_v1;
//ui意识、无限思维-面向对象
public class Notice {
    //将packageName这个参数进行io传递(提示是否要传递，自动延时XX秒，提示是否需要修改配置文件；)良好的interface friend设计
    @MyResource(packageName = "oldMark7_Anotation_v1.Milaoshi")
    public Executant milaoshi ;
    @MyResource(packageName = "oldMark7_Anotation_v1.Helaoshi")
    public Executant helaoshi;
    public void send(){
        this.privateSend();
    }
    private void privateSend(){
        MyResourceExplanationFactoryImpl.createBean(this);
        milaoshi.setName("米老师");
        System.out.println(milaoshi.hashCode());
        System.out.println(milaoshi.toString());
        helaoshi.setName("何老师");
        milaoshi.OpenDoor(helaoshi);
    }
}