authorityutil.java

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package cn.hxex.blog.auth.util;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import cn.hxex.blog.auth.bean.UserInfo;
import cn.hxex.blog.model.User;

public class AuthorityUtil {
	
	public static final String SESSION_USERINFO = "authority.userinfo";
	
	public static void saveUser(HttpServletRequest request, User user){
		if (user == null) {
			return;
		}
		UserInfo userInfo = getUser(request);
		if (userInfo == null) {
			userInfo = new UserInfo();
		}
		userInfo.setUserId(user.getId());
		saveUser(request, userInfo);
	}
	
	public static void saveUser(HttpServletRequest request, UserInfo userInfo){
		HttpSession session = request.getSession();
		session.setAttribute(SESSION_USERINFO, userInfo);
	}
	
	public static UserInfo getUser(HttpServletRequest request){
		HttpSession session = request.getSession();
		return (UserInfo) session.getAttribute(SESSION_USERINFO);
	}

}