使用 cglib 代理的实现

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package com.xiangsoft.proxytraining.bean;

import java.lang.reflect.Method;
import java.text.Annotation;
import java.util.Collections;
import java.util.List;

import com.xiangsoft.anno.Annotation1;

import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;


/**
 * This module is automatically included as part of the Tapestry IoC Registry, it's a good place to
 * configure and extend Tapestry, or to place your own service definitions.
 */
public class CglibBean
{
	public  T proxyObject(Class T)
	{
		Enhancer enhancer = new Enhancer();
		enhancer.setSuperclass(T);
		enhancer.setInterfaces(T.getInterfaces());
		enhancer.setCallback(new CallbackObj());

		return (T) enhancer.create();
	}
	
}

class CallbackObj implements MethodInterceptor{

	public Object intercept(Object obj, Method method, Object[] args,
			MethodProxy proxy) throws Throwable {
		
		
		Annotation1 at =  method.getAnnotation(Annotation1.class);
		if(at == null){
			proxy.invokeSuper(obj, args);
			return null;
		}
		
		
		System.out.println(method.getName());
		System.out.println(args);
		System.out.println(proxy.getSuperName());
		
		return null;
	}
	
}

package com.xiangsoft.proxytraining.proxy;

import com.xiangsoft.anno.Annotation1;


/**
 * Start page of application proxytraining.
 */
public class Cat implements Eatable
{

	@Override
	public void eat() {
		System.out.println("cat eat...");
	}
	
	@Annotation1
	public void jump() {
		System.out.println("cat jump...");
	}
}

package com.xiangsoft.anno;

import static java.lang.annotation.RetentionPolicy.RUNTIME;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

@Retention(RUNTIME)
@Target(ElementType.METHOD)
public @interface Annotation1 {
	/**
    *
    */
	String name() default "";

	String action() default "Hello World";
	/**
    *
    */
	boolean required() default true;
}

package com.xiangsoft.proxytraining.proxy;

public interface Eatable {
	
	public void eat();
}

package com.xiangsoft.mainborad;

import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

import com.xiangsoft.proxytraining.bean.CglibBean;
import com.xiangsoft.proxytraining.proxy.Cat;

public class Mainboard extends JFrame{
	Cat mCat = null;
	private JPanel contentPane;
	
	public static void main(String[] args) {
			Mainboard mb = new Mainboard();
			mb.setVisible(true);
	}
	
	public Mainboard(){
        setTitle("设置窗体大小");// 设置窗体标题
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);// 默认关闭方式
        setSize(400,300);// 设置窗体大小
        contentPane=new JPanel();// 创建内容面板
        contentPane.setLayout(new BorderLayout(0,0));
        setContentPane(contentPane);// 设置内容面板
        JLabel label=new JLabel("宽度400，高度300"); // 创建标签控件
        contentPane.add(label,BorderLayout.CENTER);// 添加标签控件到窗体
        
        JButton jb = new JButton("代理测试");
        
        jb.addActionListener(new ActionListener(){

			@Override
			public void actionPerformed(ActionEvent e) {
				CglibBean bean = new CglibBean();
				mCat =  bean.proxyObject(Cat.class);
				mCat.eat();
				System.out.println("action 1");
				mCat.jump();
				System.out.println("action 2");
			}});
        
        contentPane.add(jb,BorderLayout.EAST);
        
    }
}

引用

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0">
   
   
   
    4.0.0
    com.xiangsoft
    proxytraining
    1.0.1
    jar
    proxytraining
   
   
      
cglib
cglib-nodep
2.2

   
   
   
        proxytraining
       
       
           org.apache.maven.plugins
           maven-assembly-plugin
          
          
           package-jar-with-dependencies
           package
          
           single
          
            
                     false
                    
                     jar-with-dependencies