Aspect Hello World Example : Spring Aspect « Spring « Java

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Java » Spring » Spring Aspect Screenshots  Aspect Hello World Example /* Pro Spring By Rob Harrop Jan Machacek ISBN: 1-59059-461-4 Publisher: Apress */ /////////////////////////////////////////////////////////////////////////////////////// public interface IMessageWriter {     public void writeMessage(); } /////////////////////////////////////////////////////////////////////////////////////// public class MessageWriter implements IMessageWriter{     public void writeMessage() {         System.out.print("World");     } } /////////////////////////////////////////////////////////////////////////////////////// import org.aopalliance.intercept.MethodInterceptor; import org.aopalliance.intercept.MethodInvocation; public class MessageDecorator implements MethodInterceptor {     public Object invoke(MethodInvocation invocation) throws Throwable {         System.out.print("Hello ");         Object retVal = invocation.proceed();         System.out.println("!");         return retVal;     } } /////////////////////////////////////////////////////////////////////////////////////// import org.springframework.aop.framework.ProxyFactory; public class HelloWorldAOPExample {     public static void main(String[] args) {         MessageWriter target = new MessageWriter();                  // create the proxy         ProxyFactory pf = new ProxyFactory();         pf.addAdvice(new MessageDecorator());         pf.setTarget(target);         MessageWriter proxy = (MessageWriter) pf.getProxy();                  // write the messages         target.writeMessage();         System.out.println("");         proxy.writeMessage();     } }                     SpringHelloWorldExample.zip( 1,479 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. Hello World With Pointcut 11. Spring Aspect Introduction Example 12. Static Pointcut Example 13. Name Pointcut Example 14. Name Pointcut Using Advisor 15. Proxy Factory Bean Example 16. Proxy Perf Test 17. Regexp Pointcut Example 18. After Advice Example 19. AspectJ Example from Pro Spring