/**
* 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.app.webui.components;
import org.dspace.core.Context;
import org.dspace.content.DSpaceObject;
import org.dspace.browse.BrowseEngine;
import org.dspace.browse.BrowserScope;
import org.dspace.browse.BrowseIndex;
import org.dspace.browse.BrowseInfo;
import org.dspace.browse.BrowseException;
import org.dspace.sort.SortOption;
import org.dspace.sort.SortException;
import org.dspace.core.ConfigurationManager;
import org.dspace.content.Item;
import org.apache.log4j.Logger;
/**
* Class that obtains recent submissions to DSpace containers.
* @author rdjones
*
*/
public class RecentSubmissionsManager
{
/** logger */
private static Logger log = Logger.getLogger(RecentSubmissionsManager.class);
/** DSpace context */
private Context context;
/**
* Construct a new RecentSubmissionsManager with the given DSpace context
*
* @param context
*/
public RecentSubmissionsManager(Context context)
{
this.context = context;
}
/**
* Obtain the recent submissions from the given container object. This
* method uses the configuration to determine which field and how many
* items to retrieve from the DSpace Object.
*
* If the object you pass in is not a Community or Collection (e.g. an Item
* is a DSpaceObject which cannot be used here), an exception will be thrown
*
* @param dso DSpaceObject: Community, Collection or null for SITE
* @return The recently submitted items
* @throws RecentSubmissionsException
*/
public RecentSubmissions getRecentSubmissions(DSpaceObject dso)
throws RecentSubmissionsException
{
try
{
// get our configuration
String source = ConfigurationManager.getProperty("recent.submissions.sort-option");
String count = ConfigurationManager.getProperty("recent.submissions.count");
// prep our engine and scope
BrowseEngine be = new BrowseEngine(context);
BrowserScope bs = new BrowserScope(context);
BrowseIndex bi = BrowseIndex.getItemBrowseIndex();
// fill in the scope with the relevant gubbins
bs.setBrowseIndex(bi);
bs.setOrder(SortOption.DESCENDING);
bs.setResultsPerPage(Integer.parseInt(count));
if (dso != null)
{
bs.setBrowseContainer(dso);
}
for (SortOption so : SortOption.getSortOptions())
{
if (so.getName().equals(source))
{
bs.setSortBy(so.getNumber());
}
}
BrowseInfo results = be.browseMini(bs);
Item[] items = results.getItemResults(context);
RecentSubmissions rs = new RecentSubmissions(items);
return rs;
}
catch (SortException se)
{
log.error("caught exception: ", se);
throw new RecentSubmissionsException(se);
}
catch (BrowseException e)
{
log.error("caught exception: ", e);
throw new RecentSubmissionsException(e);
}
}
}