private static String dto2ddi(DatasetDTO datasetDto) throws XMLStreamException {
OutputStream outputStream = new ByteArrayOutputStream();
XMLStreamWriter xmlw = XMLOutputFactory.newInstance().createXMLStreamWriter(outputStream);
xmlw.writeStartElement("codeBook");
xmlw.writeDefaultNamespace("http://www.icpsr.umich.edu/DDI");
writeAttribute(xmlw, "version", "2.0");
createStdyDscr(xmlw, datasetDto);
createdataDscr(xmlw, datasetDto.getDatasetVersion().getFiles());
xmlw.writeEndElement(); // codeBook
xmlw.flush();
String xml = outputStream.toString();
return XmlPrinter.prettyPrintXml(xml);
}
/**
* @todo This is just a stub, copied from DDIExportServiceBean. It should produce valid DDI based
* on http://guides.dataverse.org/en/latest/developers/tools.html#msv but it is incomplete and
* will be worked on as part of https://github.com/IQSS/dataverse/issues/2579 . We'll want to
* reference the DVN 3.x code for creating a complete DDI.
* @todo Rename this from "study" to "dataset".
*/
private static void createStdyDscr(XMLStreamWriter xmlw, DatasetDTO datasetDto)
throws XMLStreamException {
String title = dto2title(datasetDto.getDatasetVersion());
String authors = dto2authors(datasetDto.getDatasetVersion());
String persistentAgency = datasetDto.getProtocol();
String persistentAuthority = datasetDto.getAuthority();
String persistentId = datasetDto.getIdentifier();
String citation = datasetDto.getDatasetVersion().getCitation();
xmlw.writeStartElement("stdyDscr");
xmlw.writeStartElement("citation");
xmlw.writeStartElement("titlStmt");
xmlw.writeStartElement("titl");
xmlw.writeCharacters(title);
xmlw.writeEndElement(); // titl
xmlw.writeStartElement("IDNo");
writeAttribute(xmlw, "agency", persistentAgency);
xmlw.writeCharacters(persistentAuthority + "/" + persistentId);
xmlw.writeEndElement(); // IDNo
xmlw.writeEndElement(); // titlStmt
xmlw.writeStartElement("rspStmt");
xmlw.writeStartElement("AuthEnty");
xmlw.writeCharacters(authors);
xmlw.writeEndElement(); // AuthEnty
xmlw.writeEndElement(); // rspStmt
xmlw.writeStartElement("biblCit");
xmlw.writeCharacters(citation);
xmlw.writeEndElement(); // biblCit
xmlw.writeEndElement(); // citation
xmlw.writeEndElement(); // stdyDscr
}