package test;


import org.aopalliance.intercept.MethodInterceptor; 
//AOP聯(lián)盟定義的標準接口，用來實現(xiàn)方法調(diào)用聯(lián)結(jié)點的包圍通知
import org.aopalliance.intercept.MethodInvocation; 
//代表當前被通知的方法調(diào)用。使用該類來//控制具體什么時候方法調(diào)用

public class MessageDecorator implements MethodInterceptor {
  public Object invoke(MethodInvocation invocation) throws Throwable {
	  System.out.println(" ");
	  System.out.print("Hello");
      System.out.print(" ");
      Object obj = invocation.proceed();  
      System.out.println("!");

      return obj;
   }   
  }