Static Pointcut Example
/* Pro Spring By Rob Harrop Jan Machacek ISBN: 1-59059-461-4 Publisher: Apress */ /////////////////////////////////////////////////////////////////////////////////////// public class BeanOne { public void foo() { System.out.println("foo"); } public void bar() { System.out.println("bar"); } } /////////////////////////////////////////////////////////////////////////////////////// public class BeanTwo { public void foo() { System.out.println("foo"); } public void bar() { System.out.println("bar"); } } /////////////////////////////////////////////////////////////////////////////////////// import java.lang.reflect.Method; import org.springframework.aop.ClassFilter; import org.springframework.aop.support.StaticMethodMatcherPointcut; public class SimpleStaticPointcut extends StaticMethodMatcherPointcut { public boolean matches(Method method, Class cls) { return ("foo".equals(method.getName())); } public ClassFilter getClassFilter() { return new ClassFilter() { public boolean matches(Class cls) { return (cls == BeanOne.class); } }; } } /////////////////////////////////////////////////////////////////////////////////////// import org.aopalliance.intercept.MethodInterceptor; import org.aopalliance.intercept.MethodInvocation; public class SimpleAdvice implements MethodInterceptor { public Object invoke(MethodInvocation invocation) throws Throwable { System.out.println(">> Invoking " + invocation.getMethod().getName()); Object retVal = invocation.proceed(); System.out.println(">> Done"); return retVal; } } /////////////////////////////////////////////////////////////////////////////////////// import org.aopalliance.aop.Advice; import org.springframework.aop.Advisor; import org.springframework.aop.Pointcut; import org.springframework.aop.framework.ProxyFactory; import org.springframework.aop.support.DefaultPointcutAdvisor; public class StaticPointcutExample { public static void main(String[] args) { BeanOne one = new BeanOne(); BeanTwo two = new BeanTwo(); BeanOne proxyOne; BeanTwo proxyTwo; // create pointcut, advice and advisor Pointcut pc = new SimpleStaticPointcut(); Advice advice = new SimpleAdvice(); Advisor advisor = new DefaultPointcutAdvisor(pc, advice); // create BeanOne proxy ProxyFactory pf = new ProxyFactory(); pf.addAdvisor(advisor); pf.setTarget(one); proxyOne = (BeanOne)pf.getProxy(); // create BeanTwo proxy pf = new ProxyFactory(); pf.addAdvisor(advisor); pf.setTarget(two); proxyTwo = (BeanTwo)pf.getProxy(); proxyOne.foo(); proxyTwo.foo(); proxyOne.bar(); proxyTwo.bar(); } }