/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://www.dspace.org/license/
*/
package org.dspace.content.crosswalk;
import java.io.IOException;
import java.sql.SQLException;
import java.util.List;
import org.dspace.authorize.AuthorizeException;
import org.dspace.content.DSpaceObject;
import org.dspace.content.Item;
import org.dspace.core.Constants;
import org.dspace.core.Context;
import org.jdom.Element;
import org.jdom.Namespace;
/**
* DIM ingestion crosswalk
* <p>
* Processes Dublic Core metadata encased in an oai_dc:dc wrapper
*
* @author Alexey Maslov
* @version $Revision: 1 $
*/
public class OAIDCIngestionCrosswalk
implements IngestionCrosswalk
{
private static final Namespace DC_NS = Namespace.getNamespace("http://www.dspace.org/xmlns/dspace/dim");
private static final Namespace OAI_DC_NS = Namespace.getNamespace("http://www.openarchives.org/OAI/2.0/oai_dc/");
public void ingest(Context context, DSpaceObject dso, List<Element> metadata) throws CrosswalkException, IOException, SQLException, AuthorizeException {
Element wrapper = new Element("wrap", metadata.get(0).getNamespace());
wrapper.addContent(metadata);
ingest(context,dso,wrapper);
}
public void ingest(Context context, DSpaceObject dso, Element root) throws CrosswalkException, IOException, SQLException, AuthorizeException {
if (dso.getType() != Constants.ITEM)
{
throw new CrosswalkObjectNotSupported("DIMIngestionCrosswalk can only crosswalk an Item.");
}
Item item = (Item)dso;
if (root == null) {
System.err.println("The element received by ingest was null");
return;
}
List<Element> metadata = root.getChildren();
for (Element element : metadata) {
// get language - prefer xml:lang, accept lang.
String lang = element.getAttributeValue("lang", Namespace.XML_NAMESPACE);
if (lang == null) {
lang = element.getAttributeValue("lang");
}
item.addMetadata("dc", element.getName(), null, lang, element.getText());
}
}
}