com.ikon.dao.ActivityDAO.java Source code

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Here is the source code for com.ikon.dao.ActivityDAO.java

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/**
 *  openkm, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2013  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  This program 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 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program 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 this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.ikon.dao;

import java.util.Calendar;
import java.util.List;

import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.ikon.core.DatabaseException;
import com.ikon.dao.bean.Activity;
import com.ikon.dao.bean.ActivityFilter;

public class ActivityDAO {
    private static Logger log = LoggerFactory.getLogger(ActivityDAO.class);

    private ActivityDAO() {
    }

    /**
     * Create activity
     */
    public static void create(Activity activity) throws DatabaseException {
        Session session = null;
        Transaction tx = null;

        try {
            session = HibernateUtil.getSessionFactory().openSession();
            tx = session.beginTransaction();
            session.save(activity);
            HibernateUtil.commit(tx);
        } catch (HibernateException e) {
            HibernateUtil.rollback(tx);
            throw new DatabaseException(e.getMessage(), e);
        } finally {
            HibernateUtil.close(session);
        }
    }

    /**
     * Find by filter
     */
    @SuppressWarnings("unchecked")
    public static List<Activity> findByFilter(ActivityFilter filter) throws DatabaseException {
        log.debug("findByFilter({})", filter);
        String qs = "from Activity a where a.date between :begin and :end ";

        if (filter.getUser() != null && !filter.getUser().equals(""))
            qs += "and a.user=:user ";
        if (filter.getAction() != null && !filter.getAction().equals(""))
            qs += "and a.action=:action ";
        if (filter.getItem() != null && !filter.getItem().equals("")) {
            qs += "and a.item=:item ";
        }

        qs += "order by a.date";
        Session session = null;

        try {
            session = HibernateUtil.getSessionFactory().openSession();
            Query q = session.createQuery(qs);
            q.setCalendar("begin", filter.getBegin());
            q.setCalendar("end", filter.getEnd());

            if (filter.getUser() != null && !filter.getUser().equals(""))
                q.setString("user", filter.getUser());
            if (filter.getAction() != null && !filter.getAction().equals(""))
                q.setString("action", filter.getAction());
            if (filter.getItem() != null && !filter.getItem().equals(""))
                q.setString("item", filter.getItem());

            List<Activity> ret = q.list();
            log.debug("findByFilter: {}", ret);
            return ret;
        } catch (HibernateException e) {
            throw new DatabaseException(e.getMessage(), e);
        } finally {
            HibernateUtil.close(session);
        }
    }

    /**
     * Find by filter
     */
    @SuppressWarnings("unchecked")
    public static List<Activity> findByFilterByItem(ActivityFilter filter) throws DatabaseException {
        log.debug("findByFilter({})", filter);
        String qs = "from Activity a where a.item=:item ";
        if (filter.getAction() != null && !filter.getAction().equals(""))
            qs += "and a.action=:action ";
        Session session = null;

        try {
            session = HibernateUtil.getSessionFactory().openSession();
            Query q = session.createQuery(qs);
            q.setString("item", filter.getItem());
            if (filter.getAction() != null && !filter.getAction().equals(""))
                q.setString("action", filter.getAction());

            List<Activity> ret = q.list();
            log.debug("findByFilterByItem: {}", ret);
            return ret;
        } catch (HibernateException e) {
            throw new DatabaseException(e.getMessage(), e);
        } finally {
            HibernateUtil.close(session);
        }
    }

    /**
     * Get activity date
     */
    public static Calendar getActivityDate(String user, String action, String item) throws DatabaseException {
        log.debug("getActivityDate({}, {}, {})", new Object[] { user, action, item });
        String qsAct = "select max(a.date) from Activity a "
                + "where a.user=:user and a.action=:action and a.item=:item";
        String qsNoAct = "select max(a.date) from Activity a "
                + "where (a.action='CREATE_DOCUMENT' or a.action='CHECKIN_DOCUMENT') and a.item=:item";
        Session session = null;

        try {
            session = HibernateUtil.getSessionFactory().openSession();
            Query q = null;

            if (action != null) {
                q = session.createQuery(qsAct);
                q.setString("user", user);
                q.setString("action", action);
                q.setString("item", item);
            } else {
                q = session.createQuery(qsNoAct);
                q.setString("item", item);
            }

            Calendar ret = (Calendar) q.setMaxResults(1).uniqueResult();

            if (ret == null) {
                // May be the document has been moved or renamed? 
                ret = Calendar.getInstance();
            }

            log.debug("getActivityDate: {}", ret);
            return ret;
        } catch (HibernateException e) {
            throw new DatabaseException(e.getMessage(), e);
        } finally {
            HibernateUtil.close(session);
        }
    }
}