org.mzd.shap.domain.authentication.UserDaoSpringHibernate.java Source code

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Here is the source code for org.mzd.shap.domain.authentication.UserDaoSpringHibernate.java

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/**
 *
 * Copyright 2010 Matthew Z DeMaere.
 * 
 * This file is part of SHAP.
 *
 * SHAP is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * SHAP is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with SHAP.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package org.mzd.shap.domain.authentication;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import org.hibernate.FetchMode;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.criterion.Order;
import org.mzd.shap.spring.orm.BaseDaoSpringHibernate;
import org.springframework.orm.hibernate3.HibernateCallback;

public class UserDaoSpringHibernate extends BaseDaoSpringHibernate<User, Integer> implements UserDao {

    public UserDaoSpringHibernate() {
        super(User.class);
    }

    public User findByUsername(String username) {
        return findByField("username", username);
    }

    public List<UserView> getUsers() {
        return getHibernateTemplate().execute(new HibernateCallback<List<UserView>>() {
            @Override
            @SuppressWarnings("unchecked")
            public List<UserView> doInHibernate(Session session) throws HibernateException, SQLException {
                List<User> users = session.createCriteria(getPersistentClass()).addOrder(Order.asc("name"))
                        .setFetchMode("roles", FetchMode.SELECT).list();

                List<UserView> view = new ArrayList<UserView>(users.size());
                for (User u : users) {
                    view.add(new UserView(u));
                }

                return view;
            }
        });
    }
}