ComposablePointcut Union : Pointcut « Spring « Java Tutorial

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Java Tutorial » Spring » Pointcut 
28.56.3.ComposablePointcut Union

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.ComposablePointcut;
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.union(new SetterMethodMatcher());
    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 (SampleBeanpf.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 SetterMethodMatcher extends StaticMethodMatcher {

  public boolean matches(Method method, Class cls) {
    return (method.getName().startsWith("set"));
  }

}
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 targetthrows Throwable {
    System.out.println("Before method " + method);
  }
}
  Download:  Spring-ComposablePointcutUnion.zip( 4,746 k)
28.56.Pointcut
28.56.1.Default Pointcut Advisor
28.56.2.Control Flow Pointcut
28.56.3.ComposablePointcut Union
28.56.4.ComposablePointcut Intersection
28.56.5.Class Filter In DynamicMethodMatcherPointcut
28.56.6.NameMatchMethodPointcutAdvisor
28.56.7.NameMatchMethodPointcut
28.56.8.Jdk Regexp based Method Pointcut
28.56.9.All Kinds Of Pointcut
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