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/**
* <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
*
*/
@Service
public 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;
}
}
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