JavaWeb学习笔记-spring 13 AOP 创建切面(静态普通方法名匹配切面)

切点类型

• 切面类型
  
  • 静态方法切点
  • 动态方法切点
  • 注解切点
  • 表达式切点
  • 流程切点
  • 复合切点

切面类型

• 切面类型
  
  • Advisor:一般切面
  • PointcutAdvisor:具有切点的切面
  • IntroductionAdvisor:引介切面

静态普通方法名匹配切面

publicclass Waiter {publicvoidgreetTo(String name){
        System.out.println("waiter greet to " + name +"...");
    }publicvoidservTo(String name){
        System.out.println("waiter serving " + name +"...");
    }
}

publicclass Seller {publicvoidgreetTo(String name){
        System.out.println("seller greet to "+name+"...");
    }
}

publicclassGreetingAdvisorextendsStaticMethodMatcherPointcutAdvisor {publicbooleanmatches(Method method, Class<?> aClass) {return"greetTo".equals(method.getName());
    }public ClassFiltergetClassFilter(){returnnew ClassFilter(){publicbooleanmatches(Class<?> aClass) {return Waiter.class.isAssignableFrom(aClass);
            }
        };
    }
}

publicclassGreetingBeforeAdviceimplementsMethodBeforeAdvice {publicvoidbefore(Method method, Object[] args, Object target)throws Throwable {
        System.out.println(target.getClass().getName()+"."+method.getName());
        String clientName = (String)args[0];
        System.out.println("How are you!Mr."+clientName+".");
    }
}

    <beanid="waiterTarget"class="com.smart.advisor.Waiter"/>
    <beanid="sellerTarget"class="com.smart.advisor.Seller"/>
    <beanid="greetingAdvice"class="com.smart.advisor.GreetingBeforeAdvice"/>
    <beanid="greetingAdvisor"class="com.smart.advisor.GreetingAdvisor"
          p:advice-ref="greetingAdvice"/>
    <beanid="parent" abstract="true"class="org.springframework.aop.framework.ProxyFactoryBean"
          p:interceptorNames="greetingAdvisor"
          p:proxyTargetClass="true"/>
    <beanid="waiter" parent="parent" p:target-ref="waiterTarget"/>
    <beanid="seller" parent="parent" p:target-ref="sellerTarget"/>

• StaticMethodMatcherPointcutAdvisor
  
  • advice
  • classFilter
  • order