package com.framework.shiro;


import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;

import com.agent.entity.system.UserEntity;

/**
 * Shiro Session会话工具类
 * @author gerry.zhang
 * @date 2014-7-7
 * @version 1.0
 *
 */
public class SessionUtil {
	
	/**
	 * 根据key获取当前会话值
	 * @param key
	 * @return
	 */
	public static Object getKey(String key){
		Subject subject = SecurityUtils.getSubject();  
		return subject.getSession().getAttribute(key);
	}
	
	/**
	 * Session 中存值
	 * @param key
	 * @param value
	 */
	public static void putKey(String key,Object value) {
		Subject subject = SecurityUtils.getSubject(); 
		subject.getSession().setAttribute(key, value);
	}
	
	/**
	 * 获取登录用户
	 * @return
	 */
	public static UserEntity getUser() {
		Subject subject = SecurityUtils.getSubject();  
		UserEntity user = (UserEntity) subject.getSession().getAttribute("user");
		return user;
		
	}

}