/** * <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.portfolio.manager;import org.olat.core.util.xml.XStreamHelper;import com.thoughtworks.xstream.XStream;/** * For XStream *  * Initial date: 21.07.2016<br> * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com * */public class MetadataXStream {	private static final XStream xstream = XStreamHelper.createXStreamInstance();	static {		XStreamHelper.allowDefaultPackage(xstream);		xstream.alias("citation", org.olat.modules.portfolio.model.CitationXml.class);		xstream.aliasType("citation", org.olat.modules.portfolio.model.CitationXml.class);	}		public static final XStream get() {		return xstream;	}}