/**
* 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.apache.log4j.Logger;
import org.dspace.authorize.AuthorizeException;
import org.dspace.content.DSpaceObject;
import org.dspace.core.Context;
import org.jdom.Element;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;
/**
* "Null" ingestion crosswalk
* <p>
* Use this crosswalk to ignore a metadata record on ingest. It was
* intended to be used with a package importer such as the METS
* packager, which may receive metadata records of types for which it
* hasn't got a crosswalk. The safest thing to do with these is ignore
* them. To do that, use the plugin configuration to map the name
* of the metadata type to this plugin (or within the METS ingester,
* use its metadata-name remapping configuration).
* <pre>
* # ignore LOM metadata when it comes up:
* plugin.named.org.dspace.content.crosswalk.SubmissionCrosswalk = \
* org.dspace.content.crosswalk.NullIngestionCrosswalk = NULL, LOM
* </pre>
* @author Larry Stone
* @version $Revision$
*/
public class NullIngestionCrosswalk
implements IngestionCrosswalk
{
/** log4j category */
private static Logger log = Logger.getLogger(NullIngestionCrosswalk.class);
private static XMLOutputter outputPretty = new XMLOutputter(Format.getPrettyFormat());
public void ingest(Context context, DSpaceObject dso, Element root)
throws CrosswalkException, IOException, SQLException, AuthorizeException
{
// drop xml on the floor but mention what we're missing for debugging:
log.debug("Null crosswalk is ignoring this metadata Element: \n"+
outputPretty.outputString(root));
}
public void ingest(Context context, DSpaceObject dso, List<Element> ml)
throws CrosswalkException, IOException, SQLException, AuthorizeException
{
// drop xml on the floor but mention what we're missing for debugging:
log.debug("Null crosswalk is ignoring this List of metadata: \n"+
outputPretty.outputString(ml));
}
public boolean preferList()
{
return false;
}
}