/**
* 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.xmlui.aspect.artifactbrowser;
import java.io.IOException;
import java.io.Serializable;
import java.sql.SQLException;
import org.apache.cocoon.caching.CacheableProcessingComponent;
import org.apache.excalibur.source.SourceValidity;
import org.apache.excalibur.source.impl.validity.NOPValidity;
import org.dspace.app.xmlui.cocoon.AbstractDSpaceTransformer;
import org.dspace.app.xmlui.utils.UIException;
import org.dspace.app.xmlui.wing.Message;
import org.dspace.app.xmlui.wing.WingException;
import org.dspace.app.xmlui.wing.element.PageMeta;
import org.dspace.authorize.AuthorizeException;
import org.dspace.core.ConfigurationManager;
import org.xml.sax.SAXException;
/**
* This simple component will add feed links. It is intended for use on the front
* page.
*
* @author Scott Phillips
*/
public class FrontPageFeeds extends AbstractDSpaceTransformer implements CacheableProcessingComponent
{
/** Language Strings */
public static final Message T_dspace_home =
message("xmlui.general.dspace_home");
/**
* Generate the unique caching key.
* This key must be unique inside the space of this component.
*/
public Serializable getKey()
{
return "1";
}
/**
* Generate the cache validity object.
*/
public SourceValidity getValidity()
{
return NOPValidity.SHARED_INSTANCE;
}
/**
* Add a page title and trail links.
*/
public void addPageMeta(PageMeta pageMeta) throws SAXException,
WingException, UIException, SQLException, IOException,
AuthorizeException
{
pageMeta.addMetadata("title").addContent(T_dspace_home);
pageMeta.addTrailLink(contextPath, T_dspace_home);
// Add RSS links if available
String formats = ConfigurationManager.getProperty("webui.feed.formats");
if ( formats != null )
{
for (String format : formats.split(","))
{
// Remove the protocol number, i.e. just list 'rss' or' atom'
String[] parts = format.split("_");
if (parts.length < 1)
{
continue;
}
String feedFormat = parts[0].trim()+"+xml";
String feedURL = contextPath+"/feed/"+format.trim()+"/site";
pageMeta.addMetadata("feed", feedFormat).addContent(feedURL);
}
}
}
}