Spring -- 使用MethodInterceptor实现AOP

.1. 先写出业务对象接口及实现业务对象。

1.public interface Interface {   
2.    public void hello();   
3.}  
public interface Interface {
    public void hello();
} 

 
这里写俩个实现。

1.public class InterfaceImpl implements Interface {   
2.  
3.    /**   
4.     * @see com.alipay.aop.BusinessInterface#hello()  
5.     */  
6.    @Override  
7.    public void hello() {   
8.        System.out.println("AOP TEST!!");   
9.    }   
10.} 

 

1.public class InterfaceImplTest implements Interface {   
2.  
3.    /**   
4.     * @see aop.Interface#hello()  
5.     */  
6.    @Override  
7.    public void hello() {   
8.        System.out.println("helo world!!");   
9.    }   
10.  
11.}  

2. 实现自己的代理，创建自己的interceptor

1.public class MyInterceptor implements MethodInterceptor {   
2.  
3.    /**   
4.     * @see org.aopalliance.intercept.MethodInterceptor#invoke(org.aopalliance.intercept.MethodInvocation)  
5.     */  
6.    @Override  
7.    public Object invoke(MethodInvocation methodInvocation) throws Throwable {   
8.        String info = methodInvocation.getMethod().getDeclaringClass()+ "." +    
9.        methodInvocation.getMethod().getName() + "()";   
10.           
11.        System.out.println(info);   
12.           
13.        try{   
14.            Object result = methodInvocation.proceed();   
15.            return result;   
16.        }   
17.        finally{   
18.            System.out.println(info);   
19.        }   
20.    }   
21.}

 

3. 配置文件
<?xml version="1.0" encoding="GBK"?>

1.<beans xmlns="http://www.springframework.org/schema/beans"  
2.    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
3.    xmlns:p="http://www.springframework.org/schema/p"  
4.    xmlns:sofa="http://img.alipay.net/dtd/schema/service"  
5.    xmlns:context="http://www.springframework.org/schema/context"  
6.    xmlns:webflow="http://www.springframework.org/schema/webflow-config"  
7.    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd   
8.         http://img.alipay.net/dtd/schema/service http://img.alipay.net/dtd/schema/service/sofa-service.xsd   
9.         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd   
10.         http://www.springframework.org/schema/webflow-config http://www.springframework.org/schema/webflow-config/spring-webflow-config-2.0.xsd"   
11.    default-autowire="byName">   
12.       
13.    <bean id="beanTarget" class="aop.InterfaceImpl"/>   
14.       
15.    <bean id="hello" class="aop.InterfaceImplTest" />   
16.       
17.    <bean id="myInterceptor" class="aop.MyInterceptor"/>   
18.       
19.    <bean id="bean" class="org.springframework.aop.framework.ProxyFactoryBean">   
20.        <property name="proxyInterfaces">   
21.            <value>aop.Interface</value>   
22.        </property>   
23.           
24.        <property name="interceptorNames">   
25.            <list>   
26.                <value>myInterceptor</value>   
27.                <value>beanTarget</value>   
28.            </list>   
29.        </property>   
30.    </bean>   
31.       
32.    <bean id="testBean" class="org.springframework.aop.framework.ProxyFactoryBean">   
33.        <property name="proxyInterfaces">   
34.            <value>aop.Interface</value>   
35.        </property>   
36.           
37.        <property name="interceptorNames">   
38.            <list>   
39.                <value>myInterceptor</value>   
40.                <value>hello</value>   
41.            </list>   
42.        </property>   
43.    </bean>   
44.</beans>  

4. 测试代码

1.public class Main {   
2.  
3.    /**  
4.     *   
5.     * @param args  
6.     */  
7.    public static void main(String[] args) {   
8.        ClassPathResource resource = new ClassPathResource("spring.xml");   
9.        XmlBeanFactory beanFactory = new XmlBeanFactory(resource);   
10.        Interface bean = (Interface)beanFactory.getBean("bean");   
11.        bean.hello();   
12.           
13.        Interface testBean = (Interface)beanFactory.getBean("testBean");   
14.        testBean.hello();   
15.    }   
16.}