/** * <a href="http://www.openolat.org"> * OpenOLAT - Online Learning and Training</a><br> * <p> * Licensed under the Apache License, Version 2.0 (the "License"); <br> * you may not use this file except in compliance with the License.<br> * You may obtain a copy of the License at the * <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a> * <p> * Unless required by applicable law or agreed to in writing,<br> * software distributed under the License is distributed on an "AS IS" BASIS, <br> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br> * See the License for the specific language governing permissions and <br> * limitations under the License. * <p> * Initial code contributed and copyrighted by<br> * frentix GmbH, http://www.frentix.com * <p> */package org.olat.modules.qpool.manager;import java.util.List;import org.olat.core.commons.persistence.DB;import org.apache.logging.log4j.Logger;import org.olat.core.logging.Tracing;import org.olat.core.util.StringHelper;import org.olat.core.util.xml.XStreamHelper;import org.olat.modules.qpool.QuestionItem;import org.olat.modules.qpool.QuestionItemAuditLog;import org.olat.modules.qpool.QuestionItemShort;import org.olat.modules.qpool.model.QEducationalContext;import org.olat.modules.qpool.model.QItemType;import org.olat.modules.qpool.model.QLicense;import org.olat.modules.qpool.model.QuestionItemImpl;import org.olat.modules.taxonomy.model.TaxonomyLevelImpl;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import com.thoughtworks.xstream.XStream;/** * * Initial date: 21.01.2018<br> * @author uhensler, [email protected], http://www.frentix.com * */@Servicepublic class QuestionItemAuditLogDAO { private static final Logger log = Tracing.createLoggerFor(QuestionItemAuditLogDAO.class); private static final XStream qitemXStream = XStreamHelper.createXStreamInstanceForDBObjects(); static { XStreamHelper.allowDefaultPackage(qitemXStream); qitemXStream.alias("questionItem", QuestionItemImpl.class); qitemXStream.alias("taxonomyLevel", TaxonomyLevelImpl.class); qitemXStream.alias("educationalContext", QEducationalContext.class); qitemXStream.alias("type", QItemType.class); qitemXStream.alias("license", QLicense.class); qitemXStream.ignoreUnknownElements(); qitemXStream.omitField(QuestionItemImpl.class, "creationDate"); qitemXStream.omitField(QuestionItemImpl.class, "lastModified"); qitemXStream.omitField(QuestionItemImpl.class, "ownerGroup"); qitemXStream.omitField(TaxonomyLevelImpl.class, "creationDate"); qitemXStream.omitField(TaxonomyLevelImpl.class, "lastModified"); qitemXStream.omitField(TaxonomyLevelImpl.class, "taxonomy"); qitemXStream.omitField(TaxonomyLevelImpl.class, "parent"); qitemXStream.omitField(TaxonomyLevelImpl.class, "type"); qitemXStream.omitField(QEducationalContext.class, "creationDate"); qitemXStream.omitField(QEducationalContext.class, "lastModified"); qitemXStream.omitField(QItemType.class, "creationDate"); qitemXStream.omitField(QItemType.class, "lastModified"); qitemXStream.omitField(QLicense.class, "creationDate"); qitemXStream.omitField(QLicense.class, "lastModified"); } @Autowired private DB dbInstance; public void persist(QuestionItemAuditLog auditLog) { dbInstance.getCurrentEntityManager().persist(auditLog); } public List<QuestionItemAuditLog> getAuditLogByQuestionItem(QuestionItemShort item) { StringBuilder sb = new StringBuilder(128); sb.append("select log from qitemauditlog log where log.questionItemKey=:questionItemKey"); return dbInstance.getCurrentEntityManager() .createQuery(sb.toString(), QuestionItemAuditLog.class) .setParameter("questionItemKey", item.getKey()) .getResultList(); } public String toXml(QuestionItem item) { if(item == null) return null; return qitemXStream.toXML(item); } public QuestionItem questionItemFromXml(String xml) { QuestionItem item = null; if(StringHelper.containsNonWhitespace(xml)) { try { Object obj = qitemXStream.fromXML(xml); if(obj instanceof QuestionItem) { item = (QuestionItem) obj; } } catch (Exception e) { log.error("", e); } } return item; }} |