MarkupXmlEventWriter.java
/*
* Portions of this software was developed by employees of the National Institute
* of Standards and Technology (NIST), an agency of the Federal Government and is
* being made available as a public service. Pursuant to title 17 United States
* Code Section 105, works of NIST employees are not subject to copyright
* protection in the United States. This software may be subject to foreign
* copyright. Permission in the United States and in foreign countries, to the
* extent that NIST may hold copyright, to use, copy, modify, create derivative
* works, and distribute this software and its documentation without fee is hereby
* granted on a non-exclusive basis, provided that this notice and disclaimer
* of warranty appears in all copies.
*
* THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
* EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
* THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
* INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
* SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
* SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
* INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
* OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
* CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
* PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
* OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
*/
package gov.nist.secauto.metaschema.core.datatype.markup.flexmark;
import com.vladsch.flexmark.parser.ListOptions;
import gov.nist.secauto.metaschema.core.util.CollectionUtil;
import gov.nist.secauto.metaschema.core.util.ObjectUtils;
import org.codehaus.stax2.evt.XMLEventFactory2;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.Attribute;
import javax.xml.stream.events.EndElement;
import javax.xml.stream.events.StartElement;
import edu.umd.cs.findbugs.annotations.NonNull;
public class MarkupXmlEventWriter
extends AbstractMarkupWriter<XMLEventWriter, XMLStreamException> {
@NonNull
protected final XMLEventFactory2 eventFactory;
public MarkupXmlEventWriter(
@NonNull String namespace,
@NonNull ListOptions listOptions,
@NonNull XMLEventWriter writer,
@NonNull XMLEventFactory2 eventFactory) {
super(namespace, listOptions, writer);
this.eventFactory = Objects.requireNonNull(eventFactory, "eventFactory");
}
@NonNull
protected XMLEventFactory2 getEventFactory() {
return eventFactory;
}
@NonNull
protected List<Attribute> handleAttributes(@NonNull Map<String, String> attributes) {
List<Attribute> attrs;
if (attributes.isEmpty()) {
attrs = CollectionUtil.emptyList();
} else {
attrs = ObjectUtils.notNull(attributes.entrySet().stream()
.map((entry) -> eventFactory.createAttribute(entry.getKey(), entry.getValue()))
.collect(Collectors.toList()));
}
return attrs;
}
@Override
public void writeEmptyElement(QName qname, Map<String, String> attributes) throws XMLStreamException {
List<Attribute> attrs = handleAttributes(attributes);
StartElement start = eventFactory.createStartElement(qname, attrs.isEmpty() ? null : attrs.iterator(), null);
XMLEventWriter stream = getStream();
stream.add(start);
EndElement end = eventFactory.createEndElement(qname, null);
stream.add(end);
}
@Override
public void writeElementStart(QName qname, Map<String, String> attributes) throws XMLStreamException {
List<Attribute> attrs = handleAttributes(attributes);
StartElement start = eventFactory.createStartElement(qname, attrs.isEmpty() ? null : attrs.iterator(), null);
getStream().add(start);
}
@Override
public void writeElementEnd(QName qname) throws XMLStreamException {
EndElement end = eventFactory.createEndElement(qname, null);
getStream().add(end);
}
@Override
public void writeText(CharSequence text) throws XMLStreamException {
getStream().add(eventFactory.createCharacters(text.toString()));
}
@Override
protected void writeHtmlEntityInternal(String entityText) throws XMLStreamException {
getStream().add(eventFactory.createEntityReference(entityText, null));
}
@Override
protected void writeComment(CharSequence text) throws XMLStreamException {
getStream().add(eventFactory.createComment(text.toString()));
}
}