Hello World With Pointcut : Spring Aspect « Spring « Java






  1. Java
  2. Spring
  3. Spring Aspect

Hello World With Pointcut

/* Pro Spring By Rob Harrop Jan Machacek ISBN: 1-59059-461-4 Publisher: Apress *//////////////////////////////////////////////////////////////////////////////////////// publicinterface IMessageWriter { publicvoid writeMessage(); } /////////////////////////////////////////////////////////////////////////////////////// publicclass MessageWriter implements IMessageWriter{ publicvoid writeMessage() { System.out.print("World"); } } /////////////////////////////////////////////////////////////////////////////////////// import java.lang.reflect.Method; import org.springframework.aop.MethodBeforeAdvice; import org.springframework.aop.framework.ProxyFactory; publicclass SimpleBeforeAdvice implements MethodBeforeAdvice { publicvoid before(Method method, Object[] args, Object target) throws Throwable { System.out.println("Before method: " + method.getName()); } } /////////////////////////////////////////////////////////////////////////////////////// publicclass ErrorBean { publicvoid errorProneMethod() throws Exception { thrownew Exception("Foo"); } publicvoid otherErrorProneMethod() throws IllegalArgumentException { thrownew IllegalArgumentException("Bar"); } } /////////////////////////////////////////////////////////////////////////////////////// import org.springframework.aop.framework.ProxyFactory; import org.springframework.aop.support.DefaultPointcutAdvisor; publicclass HelloWorldWithPointcut { publicstaticvoid main(String[] args) { // get proxy  ProxyFactory pf = new ProxyFactory(); pf.addAdvisor(new DefaultPointcutAdvisor(new SimpleBeforeAdvice())); pf.setTarget(new MessageWriter()); MessageWriter proxy1 = (MessageWriter)pf.getProxy(); pf.setTarget(new MessageWriter()); MessageWriter proxy2 = (MessageWriter)pf.getProxy(); proxy2.writeMessage(); pf.setTarget(new ErrorBean()); ErrorBean proxy3 = (ErrorBean)pf.getProxy(); proxy3.hashCode(); } }








HelloWorldWithPointcut.zip( 1,480 k)

Related examples in the same category

1.Profiling Example
2.Introduction Config Example
3.Security Example
4.Simple After Returning Advice
5.Simple Before Advice
6.Simple Throws Advice
7.Composable Pointcut Example
8.Control Flow Example
9.Dynamic Pointcut Example
10.Spring Aspect Introduction Example
11.Static Pointcut Example
12.Name Pointcut Example
13.Name Pointcut Using Advisor
14.Proxy Factory Bean Example
15.Proxy Perf Test
16.Regexp Pointcut Example
17.After Advice Example
18.AspectJ Example from Pro Spring
19.Aspect Hello World Example
close