defaultuserdaoimpl.java

因为许多人出去吃饭都一个人付帐

package cn.com.sdcncsi.lunch.dao;

import java.util.Iterator;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Restrictions;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import cn.com.sdcncsi.lunch.domain.Authorities;
import cn.com.sdcncsi.lunch.domain.Roles;
import cn.com.sdcncsi.lunch.domain.User;

public class DefaultUserDaoImpl extends  HibernateDaoSupport implements IUserDao{

	private static Log logger = LogFactory.getLog(DefaultUserDaoImpl.class.getName());
	
	public User getUser(String userId) {
		List list = (List)this.getHibernateTemplate().find("from User where userId='"+userId+"'"); 
		if (list!=null && list.size()>0){
			User user = (User)list.get(0);
			logger.debug("user="+user.getUserName());
			Iterator roles = user.getUserRoles().iterator();
			while(roles.hasNext()){
				Roles role = (Roles)roles.next();
				logger.debug("role:"+role.getRoleName());
				Iterator auths = role.getRoleAuthorities().iterator();
				while(auths.hasNext()){
					Authorities auth = (Authorities)auths.next();
					logger.debug("authority:"+auth.getAuthorityName());
				}
			}
			return user;
		}
		return null;
	}

	public List<User> getUserList() {
		return (List)this.getHibernateTemplate().loadAll(User.class);
	}

	public User authenticateUser(String userId, String password) {
		logger.debug("authenticateUser");
		try{
			SessionFactory sessionFactory=getHibernateTemplate().getSessionFactory();   
		    Session sess=sessionFactory.openSession();   
		    Criteria c=sess.createCriteria(User.class);
		    c.add(Restrictions.eq("userId", userId));
		    c.add(Restrictions.eq("password", password));
		    List list = c.list();
		    sess.close();
			//logger.debug("list="+list);
			if (list!=null && list.size()>0){
				User user = (User)list.get(0);
				logger.debug("user="+user.getUserName());
				return user;
			}
		
		}catch(Exception e){
			e.printStackTrace();
		}finally{
			
		}
		return new User();
	}

	public User getUserByPrimary(Integer id) {
		return (User)this.getHibernateTemplate().get(User.class, id);
	}

}