br.com.machina.verbum.dao.hibernate.UserDAOImpl.java Source code

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Here is the source code for br.com.machina.verbum.dao.hibernate.UserDAOImpl.java

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// Copyright 2010 Thiago H. de Paula Figueiredo
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package br.com.machina.verbum.dao.hibernate;

import java.util.List;

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

import br.com.machina.verbum.dao.UserDAO;
import br.com.machina.verbum.entities.User;
import br.com.machina.verbum.services.PasswordEncrypter;

/**
 * {@link UserDAOImpl} implementation using Hibernate.
 * 
 * @author Thiago H. de Paula Figueiredo
 */
public class UserDAOImpl implements UserDAO {

    final private Session session;

    final private PasswordEncrypter passwordEncrypter;

    /**
     * Single constructor of this class.
     * 
     * @param session a {@link Session}.
     * @param passwordEncrypter a {@link PasswordEncrypter}.
     */
    public UserDAOImpl(Session session, PasswordEncrypter passwordEncrypter) {

        this.session = session;
        this.passwordEncrypter = passwordEncrypter;

    }

    @SuppressWarnings("unchecked")
    public List<User> findAll() {

        final Criteria criteria = session.createCriteria(User.class);
        return criteria.list();
    }

    public User findByLogin(String login) {

        final Criteria criteria = session.createCriteria(User.class);
        criteria.add(Restrictions.eq("login", login));

        return (User) criteria.uniqueResult();

    }

    public User findByLoginAnsPassword(String login, String password) {

        final String encryptedPassword = passwordEncrypter.encrypt(password);
        final Criteria criteria = session.createCriteria(User.class);
        criteria.add(Restrictions.eq("login", login));
        criteria.add(Restrictions.eq("password", encryptedPassword));

        return (User) criteria.uniqueResult();

    }

    public void remove(User user) {
        session.delete(user);
    }

    public void saveOrUpdate(User user) {

        user.setPassword(passwordEncrypter.encrypt(user.getPassword()));
        session.saveOrUpdate(user);

    }

}