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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.quality.analysis.manager; import org.apache.logging.log4j.Logger; import org.olat.basesecurity.model.IdentityRefImpl; import org.olat.basesecurity.model.OrganisationRefImpl; import org.olat.core.logging.Tracing; import org.olat.core.util.StringHelper; import org.olat.core.util.xml.XStreamHelper; import org.olat.modules.curriculum.model.CurriculumElementRefImpl; import org.olat.modules.curriculum.model.CurriculumElementTypeRefImpl; import org.olat.modules.curriculum.model.CurriculumRefImpl; import org.olat.modules.quality.analysis.AnalysisSearchParameter; import org.olat.modules.quality.analysis.GroupBy; import org.olat.modules.quality.analysis.MultiGroupBy; import org.olat.modules.quality.model.QualityDataCollectionRefImpl; import org.olat.modules.taxonomy.model.TaxonomyLevelRefImpl; import org.olat.repository.model.RepositoryEntryRefImpl; import com.thoughtworks.xstream.XStream; import com.thoughtworks.xstream.security.ExplicitTypePermission; /** * * Initial date: 01.10.2018<br> * @author uhensler, [email protected], http://www.frentix.com * */ public class AnalysisPresentationXStream { private static final Logger log = Tracing.createLoggerFor(AnalysisPresentationXStream.class); private static final XStream xstream = XStreamHelper.createXStreamInstance(); static { Class<?>[] types = new Class[] { MultiGroupBy.class, GroupBy.class, AnalysisSearchParameter.class, QualityDataCollectionRefImpl.class, RepositoryEntryRefImpl.class, IdentityRefImpl.class, OrganisationRefImpl.class, CurriculumRefImpl.class, CurriculumElementRefImpl.class, CurriculumElementTypeRefImpl.class, TaxonomyLevelRefImpl.class }; xstream.addPermission(new ExplicitTypePermission(types)); xstream.alias("multiGroupBy", MultiGroupBy.class); xstream.alias("groupBy", GroupBy.class); xstream.alias("AnalysisSearchParameter", AnalysisSearchParameter.class); xstream.alias("QualityDataCollectionRef", QualityDataCollectionRefImpl.class); xstream.alias("RepositoryEntryRef", RepositoryEntryRefImpl.class); xstream.alias("IdentityRef", IdentityRefImpl.class); xstream.alias("OrganisationRef", OrganisationRefImpl.class); xstream.alias("CurriculumRef", CurriculumRefImpl.class); xstream.alias("CurriculumElementRef", CurriculumElementRefImpl.class); xstream.alias("CurriculumElementTypeRef", CurriculumElementTypeRefImpl.class); xstream.alias("TaxonomyLevelRef", TaxonomyLevelRefImpl.class); } static String toXml(Object obj) { if (obj == null) return null; return xstream.toXML(obj); } @SuppressWarnings("unchecked") public static <U> U fromXml(String xml, @SuppressWarnings("unused") Class<U> cl) { if(StringHelper.containsNonWhitespace(xml)) { try { Object obj = xstream.fromXML(xml); return (U)obj; } catch (Exception e) { log.error("", e); } } return null; } } |