/** * <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.taxonomy.manager;import java.util.Date;import org.olat.basesecurity.IdentityRef;import org.olat.core.commons.persistence.DB;import org.olat.core.util.xml.XStreamHelper;import org.olat.modules.taxonomy.TaxonomyCompetence;import org.olat.modules.taxonomy.TaxonomyCompetenceAuditLog;import org.olat.modules.taxonomy.TaxonomyRef;import org.olat.modules.taxonomy.model.TaxonomyCompetenceAuditLogImpl;import org.olat.modules.taxonomy.model.TaxonomyCompetenceImpl;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: 30 oct. 2017<br> * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com * */@Servicepublic class TaxonomyCompetenceAuditLogDAO {		private static final XStream competenceXStream = XStreamHelper.createXStreamInstanceForDBObjects();	static {		XStreamHelper.allowDefaultPackage(competenceXStream);		competenceXStream.alias("competence", TaxonomyCompetenceImpl.class);		competenceXStream.alias("taxonomyLevel", TaxonomyLevelImpl.class);		competenceXStream.ignoreUnknownElements();		competenceXStream.omitField(TaxonomyCompetenceImpl.class, "identity");		competenceXStream.omitField(TaxonomyCompetenceImpl.class, "lastModified");		competenceXStream.omitField(TaxonomyCompetenceImpl.class, "taxonomy");		competenceXStream.omitField(TaxonomyLevelImpl.class, "taxonomy");	}		@Autowired	private DB dbInstance;		public void auditLog(TaxonomyCompetenceAuditLog.Action action, String before, String after, String message,			TaxonomyRef taxonomy, TaxonomyCompetence competence,			IdentityRef assessedIdentity, IdentityRef author) {		TaxonomyCompetenceAuditLogImpl auditLog = new TaxonomyCompetenceAuditLogImpl();		auditLog.setCreationDate(new Date());		auditLog.setAction(action.name());		auditLog.setBefore(before);		auditLog.setAfter(after);		auditLog.setMessage(message);		if(taxonomy != null) {			auditLog.setTaxonomyKey(taxonomy.getKey());		}		if(competence != null) {			auditLog.setTaxonomyCompetenceKey(competence.getKey());		}		if(assessedIdentity != null) {			auditLog.setIdentityKey(assessedIdentity.getKey());		}		if(author != null) {			auditLog.setAuthorKey(author.getKey());		}		dbInstance.getCurrentEntityManager().persist(auditLog);	}		public String toXml(TaxonomyCompetence competence) {		if(competence == null) return null;		return competenceXStream.toXML(competence);	}}