Java tutorial
/** * OpenKM, Open Document Management System (http://www.openkm.com) * Copyright (c) 2006-2011 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.openkm.extension.dao; 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.openkm.core.DatabaseException; import com.openkm.dao.HibernateUtil; import com.openkm.extension.dao.bean.StampImage; public class StampImageDAO { private static Logger log = LoggerFactory.getLogger(StampImageDAO.class); private StampImageDAO() { } /** * Create */ public static int create(StampImage si) throws DatabaseException { log.debug("create({})", si); Session session = null; Transaction tx = null; try { session = HibernateUtil.getSessionFactory().openSession(); tx = session.beginTransaction(); Integer id = (Integer) session.save(si); HibernateUtil.commit(tx); log.debug("create: {}", id); return id.intValue(); } catch (HibernateException e) { HibernateUtil.rollback(tx); throw new DatabaseException(e.getMessage(), e); } finally { HibernateUtil.close(session); } } /** * Update */ public static void update(StampImage si) throws DatabaseException { log.debug("update({})", si); String qs = "select si.imageContent, si.imageMime from StampImage si where si.id=:id"; Session session = null; Transaction tx = null; try { session = HibernateUtil.getSessionFactory().openSession(); tx = session.beginTransaction(); if (si.getImageContent() == null || si.getImageContent().length() == 0) { Query q = session.createQuery(qs); q.setParameter("id", si.getId()); Object[] data = (Object[]) q.setMaxResults(1).uniqueResult(); si.setImageContent((String) data[0]); si.setImageMime((String) data[1]); } session.update(si); HibernateUtil.commit(tx); } catch (HibernateException e) { HibernateUtil.rollback(tx); throw new DatabaseException(e.getMessage(), e); } finally { HibernateUtil.close(session); } log.debug("update: void"); } /** * Active */ public static void active(int siId, boolean active) throws DatabaseException { log.debug("active({}, {})", siId, active); String qs = "update StampImage si set si.active=:active where si.id=:id"; Session session = null; Transaction tx = null; try { session = HibernateUtil.getSessionFactory().openSession(); tx = session.beginTransaction(); Query q = session.createQuery(qs); q.setBoolean("active", active); q.setInteger("id", siId); q.executeUpdate(); HibernateUtil.commit(tx); } catch (HibernateException e) { HibernateUtil.rollback(tx); throw new DatabaseException(e.getMessage(), e); } finally { HibernateUtil.close(session); } log.debug("active: void"); } /** * Delete */ public static void delete(int siId) throws DatabaseException { log.debug("delete({})", siId); Session session = null; Transaction tx = null; try { session = HibernateUtil.getSessionFactory().openSession(); tx = session.beginTransaction(); StampImage si = (StampImage) session.load(StampImage.class, siId); session.delete(si); HibernateUtil.commit(tx); } catch (HibernateException e) { HibernateUtil.rollback(tx); throw new DatabaseException(e.getMessage(), e); } finally { HibernateUtil.close(session); } log.debug("delete: void"); } /** * Find by pk */ public static StampImage findByPk(int siId) throws DatabaseException { log.debug("findByPk({})", siId); String qs = "from StampImage si where si.id=:id"; Session session = null; Transaction tx = null; try { session = HibernateUtil.getSessionFactory().openSession(); tx = session.beginTransaction(); Query q = session.createQuery(qs); q.setInteger("id", siId); StampImage ret = (StampImage) q.setMaxResults(1).uniqueResult(); HibernateUtil.commit(tx); log.debug("findByPk: {}", ret); return ret; } catch (HibernateException e) { HibernateUtil.rollback(tx); throw new DatabaseException(e.getMessage(), e); } finally { HibernateUtil.close(session); } } /** * Find by pk */ @SuppressWarnings("unchecked") public static List<StampImage> findAll() throws DatabaseException { log.debug("findAll()"); String qs = "from StampImage si order by si.id"; Session session = null; Transaction tx = null; try { session = HibernateUtil.getSessionFactory().openSession(); tx = session.beginTransaction(); Query q = session.createQuery(qs); List<StampImage> ret = q.list(); HibernateUtil.commit(tx); log.debug("findAll: {}", ret); return ret; } catch (HibernateException e) { HibernateUtil.rollback(tx); throw new DatabaseException(e.getMessage(), e); } finally { HibernateUtil.close(session); } } /** * Find by user */ @SuppressWarnings("unchecked") public static List<StampImage> findByUser(String usrId) throws DatabaseException { log.debug("findByUser({})", usrId); String qs = "from StampImage si where :user in elements(si.users)" + "and si.active=:active order by si.id"; Session session = null; try { session = HibernateUtil.getSessionFactory().openSession(); Query q = session.createQuery(qs); q.setString("user", usrId); q.setBoolean("active", true); List<StampImage> ret = q.list(); log.debug("findByUser: {}", ret); return ret; } catch (HibernateException e) { throw new DatabaseException(e.getMessage(), e); } finally { HibernateUtil.close(session); } } }