Get Method By Name : XML Bean « Spring « Java Tutorial

1. Java Tutorial
2. Spring
3. XML Bean

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.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);
  }
}

28.4.XML Bean
	28.4.1.	XML Bean Injection with namespace
	28.4.2.	BeanName Aware
	28.4.3.	XML Based Bean Configuration
	28.4.4.	Required Property Not Set Exception
	28.4.5.	Method Loopup
	28.4.6.	Local Reference
	28.4.7.	Inheritance Demo
	28.4.8.	Get Method By Name
	28.4.9.	Factory Object Integration
	28.4.10.	Spring factory method
	28.4.11.	Factory Bean Demo
	28.4.12.	Autowiring
	28.4.13.	Annotation Component
	28.4.14.	Annotated Autowiring
	28.4.15.	Alias Bean Demo
	28.4.16.	After Returning Advice Demo