UserHibernateDAO.java

package bce.server.dao.hibernate;

import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.SessionFactory;
import org.hibernate.classic.Session;
import org.hibernate.criterion.Restrictions;

import bce.java.utils.Hash;
import bce.jni.utils.BCEUtils;
import bce.server.dao.UserDAO;
import bce.server.entities.PersistentUser;

/**
 * BCE用户实体类DAO的Hibernate实现
 *
 * @author robins
 *
 */
public class UserHibernateDAO implements UserDAO {

    SessionFactory factory;

    public void setFactory(SessionFactory factory) {
        this.factory = factory;
    }

    public UserHibernateDAO() {}

    /*
     * (non-Javadoc)
     * @see bce.server.dao.UserDAO#get(java.lang.Integer)
     */
    @Override
    public PersistentUser get(Integer userId) {

        Session session = factory.openSession();
        return (PersistentUser) session.get(PersistentUser.class, userId);
    }

    /*
     * (non-Javadoc)
     * @see bce.server.dao.UserDAO#get(java.lang.String)
     */
    @SuppressWarnings("unchecked")
    @Override
    public PersistentUser get(String userName) {

        Session session = factory.openSession();
        Criteria criteria = session.createCriteria(PersistentUser.class);
        criteria.add(Restrictions.eq("userName", userName));
        List<PersistentUser> resultsList = (List<PersistentUser>) criteria.list();

        if (resultsList.isEmpty())
            return null;

        return resultsList.get(0);
    }

    /*
     * (non-Javadoc)
     * @see bce.server.dao.UserDAO#getByEmail(java.lang.String)
     */
    @SuppressWarnings("unchecked")
    @Override
    public PersistentUser getByEmail(String email) {
        Session session = factory.openSession();
        Criteria criteria = session.createCriteria(PersistentUser.class);
        criteria.add(Restrictions.eq("email", email));
        List<PersistentUser> resultList = (List<PersistentUser>) criteria.list();

        if (resultList.isEmpty())
            return null;

        return resultList.get(0);
    }

    /*
     * (non-Javadoc)
     * @see bce.server.dao.UserDAO#add(bce.server.entities.PersistentUser)
     */
    @Override
    public void add(PersistentUser user) {

        Session session = factory.openSession();
        session.beginTransaction();
        user.getPassword().getBytes();
        user.setPassword(BCEUtils.hex(Hash.sha1(user.getPassword())));
        session.save(user);
        session.getTransaction().commit();

        if (session.isOpen())
            session.close();
    }

    /*
     * (non-Javadoc)
     * @see bce.server.dao.UserDAO#update(bce.server.entities.PersistentUser)
     */
    @Override
    public void update(PersistentUser user) {

        Session session = factory.openSession();
        session.beginTransaction();
        session.update(session.merge(user));
        session.getTransaction().commit();

        if (session.isOpen())
            session.close();
    }

    /*
     * (non-Javadoc)
     * @see bce.server.dao.UserDAO#delete(bce.server.entities.PersistentUser)
     */
    @Override
    public void delete(PersistentUser user) {

        Session session = factory.openSession();
        session.beginTransaction();
        session.delete(session.merge(user));
        session.getTransaction().commit();

        if (session.isOpen())
            session.close();
    }

}