Matcher For Getter And Setter
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 (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 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 target) throws Throwable {
System.out.println("Before method " + method);
}
}
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