/**
* 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.sword;
import org.apache.commons.lang.StringUtils;
import org.dspace.content.factory.ContentServiceFactory;
import org.dspace.content.service.ItemService;
import org.purl.sword.base.Collection;
import org.dspace.content.*;
import org.dspace.core.Context;
import java.util.List;
/**
* @author Richard Jones
*
* Class to generate ATOM Collection elements for DSpace Items
*/
public class ItemCollectionGenerator extends ATOMCollectionGenerator
{
protected ItemService itemService = ContentServiceFactory.getInstance()
.getItemService();
public ItemCollectionGenerator(SWORDService service)
{
super(service);
}
/**
* Build the collection around the given DSpaceObject. If the object
* is not an instance of a DSpace Item this method will throw an
* exception.
*
* @param dso the dso for which the collection should be built
* @throws DSpaceSWORDException if the dso is not an instance of Item
*/
public Collection buildCollection(DSpaceObject dso)
throws DSpaceSWORDException
{
if (!(dso instanceof Item))
{
throw new DSpaceSWORDException(
"Incorrect ATOMCollectionGenerator instantiated");
}
// get the things we need out of the service
SWORDConfiguration swordConfig = swordService.getSwordConfig();
SWORDUrlManager urlManager = swordService.getUrlManager();
Context context = swordService.getContext();
Item item = (Item) dso;
Collection scol = new Collection();
// prepare the parameters to be put in the sword collection
String location = urlManager.getDepositLocation(item);
scol.setLocation(location);
// the item title is the sword collection title, or "untitled" otherwise
String title = "Untitled";
List<MetadataValue> dcv = itemService
.getMetadataByMetadataString(item, "dc.title");
if (!dcv.isEmpty())
{
String firstValue = dcv.get(0).getValue();
if (StringUtils.isNotBlank(firstValue))
{
title = firstValue;
}
}
scol.setTitle(title);
// FIXME: there is no collection policy for items that is obvious to provide.
// the collection policy is the licence to which the collection adheres
// String collectionPolicy = col.getLicense();
// abstract is the short description of the item, if it exists
String dcAbstract = "";
List<MetadataValue> dcva = itemService
.getMetadataByMetadataString(item, "dc.description.abstract");
if (!dcva.isEmpty())
{
String firstValue = dcva.get(0).getValue();
if (StringUtils.isNotBlank(firstValue))
{
dcAbstract = firstValue;
}
}
if (StringUtils.isNotBlank(dcAbstract))
{
scol.setAbstract(dcAbstract);
}
// do we support mediated deposit
scol.setMediation(swordConfig.isMediated());
// the list of mime types that we accept, which we take from the
// bitstream format registry
List<String> acceptFormats = swordConfig.getAccepts(context, item);
for (String acceptFormat : acceptFormats)
{
scol.addAccepts(acceptFormat);
}
return scol;
}
}