userdaoimp.java

一个J2EE SSH功能的实现

package com.sxjsuper.hibernate.dao.operateuser;

import java.util.List;

import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;

import com.sxjsuper.hibernate.dao.BaseHibernateDao;
import com.sxjsuper.hibernate.pojo.TbUser;
import com.sxjsuper.lts.service.operateuser.event.IdentityEvt;
import com.sxjsuper.officeoa.uservalidate.UserLoginException;
import com.sxjsuper.util.ParseXml;

public class UserDaoImp extends BaseHibernateDao implements UserDao
{

	public boolean userValidate(IdentityEvt identityEvt) throws UserLoginException
	{
		String queryString = (String) ParseXml.getConfigInfo().get("user_validate");
		SessionFactory sessionFactory=this.getHibernateTemplate().getSessionFactory();
		Session session=sessionFactory.openSession();
		try
		{
			Query query=session.createQuery(queryString);
			query.setParameter(0, identityEvt.getUserName());
			List resultList=query.list();
			if(resultList.size()>1)
			{
				log.error("User is not only");
				return false;
			} 
			else if(resultList.size()==1)
			{
				TbUser tb_user=(TbUser) resultList.iterator().next();
				if(identityEvt.getUserPassword().
						equals(tb_user.getUserPassword()))
				{
					log.debug("user is exist and through validate");
					return true;
				}
				else
				{
					log.fatal("user is exist,but not through validate");
					return false;
				}
			}
			else if(resultList==null||resultList.size()==0)
			{
				log.error("result is null,user is not exist");
				return false;
			}
			else
			{
				log.error("unknown error...");
				return false;
			}
		}
		catch(Exception e)
		{
			session.close();
			
			//打印异常堆栈
			e.printStackTrace();
			
			log.error("A unknown excepiton has happened,close the connection");
			
			return false;
		}
		finally
		{
			log.debug("Close the session!");
			session.close();
		}
	}

	public boolean addUserIdentityEvt() {
		// TODO Auto-generated method stub
		return false;
	}
	
}