baseaction.java

java阿里巴巴代码

package com.saas.struts.action;

import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.*;
import com.saas.sys.bpm.TradeRegIntf;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import java.util.*;
import javax.servlet.http.HttpSession;
import javax.servlet.http.Cookie;

import com.saas.sys.buffer.*;
import com.saas.sys.log.Logger;
import java.util.ArrayList;

public abstract class BaseAction extends Action {
	
	public ActionForward execute(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response) 
	{
		//response.setHeader("Cache-Control","no-cache"); 
		//Forces caches to obtain a new copy of the page from the origin server
		//response.setHeader("Cache-Control","no-store");
		//Directs caches not to store the page under any circumstance
		//response.setDateHeader("Expires", 0); 
		//Causes the proxy cache to see the page as "stale"
		//response.setHeader("Pragma","no-cache"); 
		//HTTP 1.0 backward compatibility 
		
		if (!this.userIsLoggedIn(request))
		{
			ActionErrors errors = new ActionErrors();
			errors.add("error", new ActionError("logon.sessionEnded"));
			this.saveErrors(request, errors);
			return mapping.findForward("sessionEnded");
		}
		return executeAction(mapping, form, request, response);

	}
	protected abstract ActionForward executeAction(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response); 

	private boolean userIsLoggedIn(HttpServletRequest request)
	{
		return true;
	}
}