/*
* DIMIngestionCrosswalk.java
*
* Version: $Revision: 1 $
*
* Date: $Date: 2007-07-30 12:26:50 -0500 (Mon, 30 Jul 2007) $
*
* Copyright (c) 2002-2005, Hewlett-Packard Company and Massachusetts
* Institute of Technology. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Hewlett-Packard Company nor the name of the
* Massachusetts Institute of Technology nor the names of their
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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*/
package org.dspace.content.crosswalk;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.sql.SQLException;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import org.apache.log4j.Logger;
import org.dspace.authorize.AuthorizeException;
import org.dspace.content.Bitstream;
import org.dspace.content.Bundle;
import org.dspace.content.DCValue;
import org.dspace.content.DSpaceObject;
import org.dspace.content.Item;
import org.dspace.content.MetadataSchema;
import org.dspace.content.packager.PackageDisseminator;
import org.dspace.content.packager.PackageException;
import org.dspace.content.packager.PackageParameters;
import org.dspace.core.Constants;
import org.dspace.core.Context;
import org.dspace.core.PluginManager;
import org.dspace.core.ConfigurationManager;
import org.dspace.core.Utils;
import org.jdom.Attribute;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.Namespace;
import org.jdom.input.SAXBuilder;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;
/**
* 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
{
/** log4j category */
private static Logger log = Logger.getLogger(DIMIngestionCrosswalk.class);
private static Namespace DIM_NS = Namespace.getNamespace("http://www.dspace.org/xmlns/dspace/dim");
public void ingest(Context context, DSpaceObject dso, List metadata) throws CrosswalkException, IOException, SQLException, AuthorizeException {
// If this list contains only the root already, just pass it on
List<Element> elements = metadata;
if (elements.size() == 1) {
ingest(context, dso, elements.get(0));
}
// Otherwise, wrap them up
else {
Element wrapper = new Element("wrap",elements.get(0).getNamespace());
wrapper.addContent(elements);
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());
}
}
}