Java/Spring/FlowPointcut

Control FlowPointcut

File: Main.java
import java.lang.reflect.Method;
import org.springframework.aop.Advisor;
import org.springframework.aop.MethodBeforeAdvice;
import org.springframework.aop.Pointcut;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.aop.support.ControlFlowPointcut;
import org.springframework.aop.support.DefaultPointcutAdvisor;
public class Main {
  public static void main(String[] args) {
    TestBean target = new TestBean();
    Pointcut pc = new ControlFlowPointcut(Main.class, "test");
    Advisor advisor = new DefaultPointcutAdvisor(pc, new SimpleBeforeAdvice());
    ProxyFactory pf = new ProxyFactory();
    pf.setTarget(target);
    pf.addAdvisor(advisor);
    TestBean proxy = (TestBean) pf.getProxy();
    proxy.foo();
    test(proxy);
  }
  static void test(TestBean bean) {
    bean.foo();
  }
}
class TestBean {
  public void foo() {
    System.out.println("foo");
  }
}
class SimpleBeforeAdvice implements MethodBeforeAdvice {
  public void before(Method method, Object[] args, Object target) throws Throwable {
    System.out.println("Before method " + method);
  }
}