Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.epms.dao; import com.epms.entities.User; import java.util.List; import org.hibernate.SQLQuery; import org.springframework.orm.hibernate4.support.HibernateDaoSupport; import org.springframework.stereotype.Repository; /** * * @author Yonatan */ @Repository public class UserDaoImpl extends HibernateDaoSupport implements UserDao { @Override public List getUsers() { return getHibernateTemplate().find("from User"); } @Override public User getUser(int userId) { return (User) getHibernateTemplate().get(User.class, userId); } @Override public void saveUser(User user) { getHibernateTemplate().save(user); } @Override public void updateUser(User user, int id) { user.setId(id); getHibernateTemplate().saveOrUpdate(user); } @Override public void deleteUser(User user) { getHibernateTemplate().delete(user); } @Override public Boolean authenticateUser(String username, String password) { String queryUser = "SELECT * from user where UserName = '" + username + "' AND Password = '" + password + "'"; SQLQuery sqlQuery = getHibernateTemplate().getSessionFactory().openSession().createSQLQuery(queryUser); List result = sqlQuery.list(); return !result.isEmpty(); } @Override public User findByUsername(String username) { List<User> users = getHibernateTemplate().getSessionFactory().openSession() .createQuery("from User where username=?").setParameter(0, username).list(); if (users.size() > 0) { return users.get(0); } else { return null; } } }