org.tec.webapp.orm.dao.impl.UserDaoImpl.java Source code

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Here is the source code for org.tec.webapp.orm.dao.impl.UserDaoImpl.java

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/*******************************************************************************
 * Copyright 2014 org.tec
 *
 * 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 org.tec.webapp.orm.dao.impl;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import org.tec.security.Checksum;
import org.tec.webapp.orm.dao.UserDao;
import org.tec.webapp.orm.entity.User;
import org.tec.webapp.bean.UserBean;

/**
 * user data access object
 */
@Repository()
public class UserDaoImpl implements UserDao {

    /** the logger */
    private Log mLogger = LogFactory.getLog(this.getClass());

    /** the hibernate session factory */
    @Autowired()
    protected SessionFactory mSessionFactory;

    /**
     * {@inheritDoc}
     */
    @Override()
    public void insert(UserBean user) {
        Session session = mSessionFactory.getCurrentSession();

        if (mLogger.isDebugEnabled()) {
            mLogger.debug("inserting " + user);
        }

        session.persist(user);
    }

    /**
     * {@inheritDoc}
     */
    @Override()
    public void update(UserBean user) {
        Session session = mSessionFactory.getCurrentSession();

        if (mLogger.isDebugEnabled()) {
            mLogger.debug("updating " + user);
        }

        session.save(user);
    }

    /**
     * {@inheritDoc} This function is needed because we need to exclude the
     * password from the standard user operations.
     */
    @Override()
    public void updatePassword(UserBean user) {
        Session session = mSessionFactory.getCurrentSession();

        if (mLogger.isDebugEnabled()) {
            mLogger.debug("updating password " + user);
        }

        Query query = session.createQuery("update User set password = :password where user_id = :user_id");
        query.setParameter("password", Checksum.getMD5(user.getPassword()));
        query.setParameter("user_id", user.getUserId());
        query.executeUpdate();
    }

    /**
     * {@inheritDoc}
     */
    @Override()
    public void delete(UserBean user) {
        Session session = mSessionFactory.getCurrentSession();

        if (mLogger.isDebugEnabled()) {
            mLogger.debug("deleting " + user);
        }

        session.delete(user);
    }

    /**
     * {@inheritDoc}
     */
    @Override()
    @SuppressWarnings("unchecked")
    public UserBean getUser(String userName) {
        Session session = mSessionFactory.getCurrentSession();

        Query q = session.createQuery("from User where user_name = :user_name");
        q.setParameter("user_name", userName);

        List<User> l = (List<User>) q.list();
        if (l.size() == 0) {
            return null;
        } else {
            UserBean u = l.get(0);

            if (mLogger.isDebugEnabled()) {
                mLogger.debug("get user " + u);
            }

            return u;
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override()
    @SuppressWarnings("unchecked")
    public List<User> getOtherUsers(String userName) {
        Session session = mSessionFactory.getCurrentSession();

        Query query = session.createQuery("from User where user_name != :user_name");
        query.setParameter("user_name", userName);

        return (List<User>) query.list();
    }
}