/**
* 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 metadata encoded in DSpace Intermediate Format, without the overhead of XSLT processing.
*
* @author Alexey Maslov
* @version $Revision: 1 $
*/
public class DIMIngestionCrosswalk
implements IngestionCrosswalk
{
private static final Namespace DIM_NS = Namespace.getNamespace("http://www.dspace.org/xmlns/dspace/dim");
public void ingest(Context context, DSpaceObject dso, List<Element> metadata) throws CrosswalkException, IOException, SQLException, AuthorizeException {
Element first = metadata.get(0);
if (first.getName().equals("dim") && metadata.size() == 1) {
ingest(context,dso,first);
}
else if (first.getName().equals("field") && first.getParentElement() != null) {
ingest(context,dso,first.getParentElement());
}
else {
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("field",DIM_NS);
for (Element field : metadata) {
item.addMetadata(field.getAttributeValue("mdschema"), field.getAttributeValue("element"), field.getAttributeValue("qualifier"),
field.getAttributeValue("lang"), field.getText());
}
}
}