Java/Spring/StaticMethodMatcher

Get Method By Name

File: Main.java
import java.lang.reflect.Method;
import org.springframework.aop.Advisor;
import org.springframework.aop.ClassFilter;
import org.springframework.aop.MethodBeforeAdvice;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.aop.support.ruposablePointcut;
import org.springframework.aop.support.DefaultPointcutAdvisor;
import org.springframework.aop.support.StaticMethodMatcher;
public class Main {
  public static void main(String[] args) {
    SampleBean target = new SampleBean();
    ComposablePointcut pc = new ComposablePointcut(ClassFilter.TRUE, new GetterMethodMatcher());

    pc.intersection(new GetAgeMethodMatcher());
    SampleBean proxy = getProxy(pc, target);
    testInvoke(proxy);    
  }
  private static SampleBean getProxy(ComposablePointcut pc, SampleBean target) {
    Advisor advisor = new DefaultPointcutAdvisor(pc, new SimpleBeforeAdvice());
    ProxyFactory pf = new ProxyFactory();
    pf.setTarget(target);
    pf.addAdvisor(advisor);
    return (SampleBean) pf.getProxy();
  }
  private static void testInvoke(SampleBean proxy) {
    proxy.getAge();
    proxy.getName();
    proxy.setName("QQQ");
  }
}
class GetterMethodMatcher extends StaticMethodMatcher {
  public boolean matches(Method method, Class cls) {
    return (method.getName().startsWith("get"));
  }
}

class GetAgeMethodMatcher extends StaticMethodMatcher {
  public boolean matches(Method method, Class cls) {
    return "getAge".equals(method.getName());
  }
}
class SampleBean {
  public String getName() {
    return "AAA";
  }
  public void setName(String name) {
  }
  public int getAge() {
    return 100;
  }
}
class SimpleBeforeAdvice implements MethodBeforeAdvice {
  public void before(Method method, Object[] args, Object target) throws Throwable {
    System.out.println("Before method " + method);
  }
}