beforeresultinterceptor.java

工厂版本管理系统,STRUTS2框架,用于管理商品的版本,便于有效的控制版本

package com.bluesky.web.struts2.interceptor;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
import com.opensymphony.xwork2.interceptor.PreResultListener;


/*
 * this is a AFTER intercepter, just like the Preparable interceptor.
 */
public class BeforeResultInterceptor extends AbstractInterceptor {

    /**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public String intercept(ActionInvocation invocation) throws Exception {
       Action action = (Action)invocation.getAction();
       
       if (action instanceof PreResultListener) {
    	   
    	   PreResultListener listener = (PreResultListener) action;
    	   
    	   invocation.addPreResultListener(listener);    	   
       }
       
       String resultCode = invocation.invoke();
       return resultCode;
    }
}