Two ways to implement spring----> AOP

Implementation 1: XML-based

1  Package Com.rr.spring3.interf;  Interface 23publicinterface  SayHello {45      Public void SayHello (); 6 }

1  PackageCom.rr.spring3.interf.impl;//Interface Implementation class2 3 ImportCom.rr.spring3.interf.SayHello;4 5  Public classHelloImplementsSayHello {6      Public voidSayHello () {7System.out.println ("Hello");8     }9 Ten}

1  Packagecom.rr.spring3.aop;//Slice class + notification2 3  Public classHelloaspect {4     5     //front-facing notifications6      Public voidBeforeadvice () {7System.out.println ("===========before Advice");8     }9 Ten     //Post Final notification One      Public voidAfterfinallyadvice () { ASystem.out.println ("===========after Finally advice"); -     } -  the}

1 <!--Target Class -2 <BeanID= "Hello"class= "Com.rr.spring3.interf.impl.Hello"/>3 <!--Slice class -4 <BeanID= "Helloaspect"class= "Com.rr.spring3.aop.HelloAspect"/>5 6 <Aop:config>7   <!--Reference Slice class -8    <Aop:aspectref= "Helloaspect">9        <!--entry point -Ten        <Aop:pointcutID= "PC"expression= "Execution (* com.rr.spring3.interf.*.* (..))"/> One        <!--reference pointcuts, specifying notifications - A        <Aop:beforePointcut-ref= "PC"Method= "Beforeadvice"/> -        <Aop:afterpointcut= "Execution (* com.rr.spring3.interf.*.* (..))"Method= "Afterfinallyadvice"/> -    </Aop:aspect> the </Aop:config>

Implementation 2: Based on Java5 annotation @Aspect

Interfaces and interfaces are implemented in a similar

1  PackageCOM.RR.SPRING3.AOP;//Slice class + notification2 3 Importorg.aspectj.lang.annotation.After;//java5 annotations4 ImportOrg.aspectj.lang.annotation.Aspect;5 ImportOrg.aspectj.lang.annotation.Before;6 ImportOrg.aspectj.lang.annotation.Pointcut;7 8 @Aspect9  Public classHelloaspect {Ten  One@Pointcut ("Execution (* com.rr.spring3.interf.*.* (..))") A     Private voidSelectAll () {} -      -     //front-facing notifications the@Before ("SelectAll ()") -      Public voidBeforeadvice () { -System.out.println ("===========before Advice"); -     } +  -     //Post Final notification +@After ("SelectAll ()") A      Public voidAfterfinallyadvice () { atSystem.out.println ("===========after Finally advice"); -     } -  -}

1 <Aop:aspectj-autoproxy/> <!--opening annotations --2 <!--Target Class -3 <BeanID= "Hello"class= "Com.rr.spring3.interf.impl.Hello"/>4 <!--Slice class -5 <BeanID= "Helloaspect"class= "Com.rr.spring3.aop.HelloAspect"/>

Test results:

Two ways to implement spring----> AOP