File size: 5,074 Bytes
eb67da4 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 |
/**
* <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.curriculum.manager;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.zip.ZipOutputStream;
import org.apache.logging.log4j.Logger;
import org.olat.core.logging.Tracing;
import org.olat.core.util.io.ShieldOutputStream;
import org.olat.core.util.xml.XStreamHelper;
import org.olat.modules.curriculum.Curriculum;
import org.olat.modules.curriculum.CurriculumCalendars;
import org.olat.modules.curriculum.CurriculumElement;
import org.olat.modules.curriculum.CurriculumElementToTaxonomyLevel;
import org.olat.modules.curriculum.CurriculumElementType;
import org.olat.modules.curriculum.CurriculumElementTypeManagedFlag;
import org.olat.modules.curriculum.CurriculumLearningProgress;
import org.olat.modules.curriculum.CurriculumLectures;
import org.olat.modules.curriculum.model.CurriculumElementImpl;
import org.olat.modules.curriculum.model.CurriculumElementToRepositoryEntryRef;
import org.olat.modules.curriculum.model.CurriculumElementToRepositoryEntryRefs;
import org.olat.modules.curriculum.model.CurriculumElementToTaxonomyLevelImpl;
import org.olat.modules.curriculum.model.CurriculumElementTypeImpl;
import org.olat.modules.curriculum.model.CurriculumImpl;
import org.olat.modules.portfolio.handler.BinderXStream;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.security.ExplicitTypePermission;
/**
*
* Initial date: 17 juil. 2019<br>
* @author srosse, [email protected], http://www.frentix.com
*
*/
public class CurriculumXStream {
private static final Logger log = Tracing.createLoggerFor(BinderXStream.class);
private static final XStream xstream = XStreamHelper.createXStreamInstanceForDBObjects();
static {
Class<?>[] types = new Class[] {
Curriculum.class, CurriculumImpl.class, CurriculumElement.class, CurriculumElementImpl.class,
CurriculumElementType.class, CurriculumElementTypeImpl.class, CurriculumElementTypeManagedFlag.class,
CurriculumLectures.class, CurriculumCalendars.class, CurriculumLearningProgress.class,
CurriculumElementToTaxonomyLevel.class, CurriculumElementToTaxonomyLevelImpl.class,
CurriculumElementToRepositoryEntryRef.class, CurriculumElementToRepositoryEntryRefs.class,
Hashtable.class, HashMap.class
};
xstream.addPermission(new ExplicitTypePermission(types));
xstream.omitField(CurriculumImpl.class, "group");
xstream.omitField(CurriculumImpl.class, "organisation");
xstream.omitField(CurriculumElementImpl.class, "group");
xstream.omitField(CurriculumElementImpl.class, "curriculumParent");
xstream.omitField(CurriculumElementImpl.class, "taxonomyLevels");
}
public static final Curriculum curriculumFromPath(Path path)
throws IOException {
try(InputStream inStream = Files.newInputStream(path)) {
return (Curriculum)xstream.fromXML(inStream);
} catch (Exception e) {
log.error("Cannot import this map: {}", path, e);
return null;
}
}
public static final CurriculumElementToRepositoryEntryRefs entryRefsFromPath(Path path)
throws IOException {
try(InputStream inStream = Files.newInputStream(path)) {
return (CurriculumElementToRepositoryEntryRefs)xstream.fromXML(inStream);
} catch (Exception e) {
log.error("Cannot import this map: {}", path, e);
return null;
}
}
public static final Curriculum fromXml(String xml) {
return (Curriculum)xstream.fromXML(xml);
}
public static final String toXml(Curriculum curriculum) {
return xstream.toXML(curriculum);
}
public static final void toStream(Curriculum curriculum, ZipOutputStream zout)
throws IOException {
try(OutputStream out=new ShieldOutputStream(zout)) {
xstream.toXML(curriculum, out);
} catch (Exception e) {
log.error("Cannot export this curriculum: {}", curriculum, e);
}
}
public static final void toStream(CurriculumElementToRepositoryEntryRefs entryRefs, ZipOutputStream zout)
throws IOException {
try(OutputStream out=new ShieldOutputStream(zout)) {
xstream.toXML(entryRefs, out);
} catch (Exception e) {
log.error("Cannot export these entries references: {}", entryRefs, e);
}
}
}
|