//无接口类的aop方法实现
package cn.wyz.aop;

import java.lang.reflect.Method;

import cn.wyz.service.impl.PersonServiceBean;

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

public class CGlibProxyFactory implements MethodInterceptor{
 

 private Object targetObject;
 
 public Object creatProxyIntacce(Object targetObject){
  this.targetObject=targetObject;
  Enhancer enhancer=new Enhancer();
  enhancer.setSuperclass(this.targetObject.getClass());//非final方法
  enhancer.setCallback(this);
  return enhancer.create();
   
    }

 public Object intercept(Object arg0, Method arg1, Object[] arg2,
   MethodProxy arg3) throws Throwable {
  PersonServiceBean bean=(PersonServiceBean)this.targetObject;
  Object result=null;//环绕通知
  
  if(bean.getUser()!=null){
   //......advice()---->前置通知
   try {
    result=arg3.invoke(this.targetObject, arg2);
    
    //..........afteradvice()------>后置通知
   } catch (Exception e) {
    //.....exceptionadvice()----->例外通知
    e.printStackTrace();
   }finally{
    //.....finallyadvice()----->最终通知
   }
  }
     
  return null;
 }
 
 
}
//接口类的aop方法实现

package cn.wyz.aop;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

import cn.wyz.service.impl.PersonServiceBean;

public class JDKProxyFactory implements InvocationHandler {
 
 
 private Object targetObject;
 public Object creatProxyIntacce(Object targetObject){
  this.targetObject=targetObject;
  
  return Proxy.newProxyInstance(this.targetObject.getClass().getClassLoader(),
    this.targetObject.getClass().getInterfaces(), this);
 
 }
 
 
 

 public Object invoke(Object arg0, Method arg1, Object[] arg2)
   throws Throwable {
  PersonServiceBean bean=(PersonServiceBean)this.targetObject;
  Object result=null;
  
  if(bean.getUser()!=null){
   arg1.invoke(this.targetObject, arg2);
  }
     
  return result;
 }

}