Java tutorial
/* * Copyright [2011] [wisemapping] * * Licensed under WiseMapping Public License, Version 1.0 (the "License"). * It is basically the Apache License, Version 2.0 (the "License") plus the * "powered by wisemapping" text requirement on every single page; * you may not use this file except in compliance with the License. * You may obtain a copy of the license at * * http://www.wisemapping.org/license * * 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 com.wisemapping.dao; import com.wisemapping.model.*; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; import org.hibernate.criterion.Restrictions; import org.hibernate.criterion.SimpleExpression; import org.hibernate.criterion.Junction; import org.hibernate.criterion.Order; import org.hibernate.Criteria; import java.util.List; import java.util.Calendar; public class MindmapManagerImpl extends HibernateDaoSupport implements MindmapManager { public Colaborator getColaboratorBy(final String email) { final Colaborator colaborator; final List colaborators = getHibernateTemplate() .find("from com.wisemapping.model.Colaborator colaborator where email=?", email); if (colaborators != null && !colaborators.isEmpty()) { assert colaborators.size() == 1 : "More than one user with the same username!"; colaborator = (Colaborator) colaborators.get(0); } else { colaborator = null; } return colaborator; } public List<MindMap> search(MindMapCriteria criteria) { return search(criteria, -1); } public List<MindMapHistory> getHistoryFrom(int mindmapId) { final Criteria hibernateCriteria = getSession().createCriteria(MindMapHistory.class); hibernateCriteria.add(Restrictions.eq("mindmapId", mindmapId)); hibernateCriteria.addOrder(Order.desc("creationTime")); // Mientras no haya paginacion solo los 10 primeros // This line throws errors in some environments, so getting all history and taking firsts 10 records // hibernateCriteria.setMaxResults(10); List list = hibernateCriteria.list(); return list.subList(0, (10 < list.size() ? 10 : list.size())); } public MindMapHistory getHistory(int historyId) { return (MindMapHistory) getHibernateTemplate().get(MindMapHistory.class, historyId); } public List<MindMap> search(MindMapCriteria criteria, int maxResult) { final Criteria hibernateCriteria = getSession().createCriteria(MindMap.class); //always search public maps hibernateCriteria.add(Restrictions.like("public", Boolean.TRUE)); if (criteria != null) { final Junction junction; if (criteria.isOrCriteria()) { junction = Restrictions.disjunction(); } else { junction = Restrictions.conjunction(); } if (criteria.getTitle() != null && criteria.getTitle().length() > 0) { final SimpleExpression titleRestriction = Restrictions.like("title", "%" + criteria.getTitle() + "%"); junction.add(titleRestriction); } if (criteria.getDescription() != null && criteria.getDescription().length() > 0) { final SimpleExpression descriptionRestriction = Restrictions.like("description", "%" + criteria.getDescription() + "%"); junction.add(descriptionRestriction); } if (criteria.getTags().size() > 0) { for (String tag : criteria.getTags()) { final SimpleExpression tagRestriction = Restrictions.like("tags", "%" + tag + "%"); junction.add(tagRestriction); } } hibernateCriteria.add(junction); } // if (maxResult>0) // { // hibernateCriteria.setMaxResults(maxResult); // } return hibernateCriteria.list(); } public Colaborator getColaboratorBy(long id) { return (Colaborator) getHibernateTemplate().get(Colaborator.class, id); } public List<MindmapUser> getMindmapUserByColaborator(final long colaboratorId) { return getHibernateTemplate() .find("from com.wisemapping.model.MindmapUser mindmapUser where colaborator_id=?", colaboratorId); } public List<MindmapUser> getMindmapUserByRole(final UserRole userRole) { return getHibernateTemplate().find("from com.wisemapping.model.MindmapUser mindmapUser where roleId=?", userRole.ordinal()); } public MindmapUser getMindmapUserBy(final int mindmapId, final User user) { final MindmapUser result; final List<MindmapUser> mindMaps = getHibernateTemplate().find( "from com.wisemapping.model.MindmapUser mindmapUser where mindMap.id=? and colaborator_id=?", new Object[] { mindmapId, user.getId() }); if (mindMaps != null && !mindMaps.isEmpty()) { result = mindMaps.get(0); } else { result = null; } return result; } public void addColaborator(Colaborator colaborator) { assert colaborator != null : "ADD MINDMAP COLABORATOR: Colaborator is required!"; getHibernateTemplate().save(colaborator); } public void removeMindmapUser(MindmapUser mindmapUser) { getHibernateTemplate().delete(mindmapUser); } public void removeColaborator(Colaborator colaborator) { getHibernateTemplate().delete(colaborator); } public List<MindMap> getAllMindmaps() { return getHibernateTemplate().find("from com.wisemapping.model.MindMap wisemapping"); } public MindMap getMindmapById(int mindmapId) { return (MindMap) getHibernateTemplate().get(MindMap.class, mindmapId); } public MindMap getMindmapByTitle(final String title, final User user) { final MindMap result; List<MindMap> mindMaps = getHibernateTemplate().find( "from com.wisemapping.model.MindMap wisemapping where title=? and creator=?", new Object[] { title, user.getUsername() }); if (mindMaps != null && !mindMaps.isEmpty()) { result = mindMaps.get(0); } else { result = null; } return result; } public void addView(int mapId) { } public void addMindmap(User user, MindMap mindMap) { saveMindmap(mindMap); } public void saveMindmap(MindMap mindMap) { assert mindMap != null : "Save Mindmap: Mindmap is required!"; getSession().saveOrUpdate(mindMap.getNativeBrowser()); getSession().save(mindMap); } public void updateMindmap(MindMap mindMap, boolean saveHistory) { assert mindMap != null : "Save Mindmap: Mindmap is required!"; getHibernateTemplate().saveOrUpdate(mindMap.getNativeBrowser()); getHibernateTemplate().saveOrUpdate(mindMap); if (saveHistory) { saveHistory(mindMap); } } public void removeMindmap(MindMap mindMap) { getHibernateTemplate().delete(mindMap); } public void saveHistory(MindMap mindMap) { final MindMapHistory history = new MindMapHistory(); history.setXml(mindMap.getXml()); history.setCreationTime(Calendar.getInstance()); history.setCreator(mindMap.getLastModifierUser()); history.setMindmapId(mindMap.getId()); getHibernateTemplate().saveOrUpdate(history); } }