/* ===============================================================================
*
* Part of the InfoGlue Content Management Platform (www.infoglue.org)
*
* ===============================================================================
*
* Copyright (C)
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2, as published by the
* Free Software Foundation. See the file LICENSE.html for more information.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY, including the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc. / 59 Temple
* Place, Suite 330 / Boston, MA 02111-1307 / USA.
*
* ===============================================================================
*/
package org.infoglue.deliver.taglib.common;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.jsp.JspException;
import org.apache.log4j.Logger;
import org.infoglue.deliver.taglib.TemplateControllerTag;
import org.infoglue.deliver.util.rss.RssHelper;
import com.sun.syndication.feed.synd.SyndEntry;
import com.sun.syndication.feed.synd.SyndFeed;
/**
* This tag will get a cookie value
*/
public class RSSFeedTag extends TemplateControllerTag
{
private final static Logger logger = Logger.getLogger(RSSFeedTag.class.getName());
/**
* The universal version identifier.
*/
private static final long serialVersionUID = 8603406098980150888L;
private String feedType = null;
private String title = null;
private String link = null;
private String description = null;
private String encoding = "UTF-8";
private List entries = new ArrayList();
/**
* Default constructor.
*/
public RSSFeedTag()
{
super();
}
/**
* Initializes the parameters to make it accessible for the children tags (if any).
*
* @return indication of whether to evaluate the body or not.
* @throws JspException if an error occurred while processing this tag.
*/
public int doStartTag() throws JspException
{
return EVAL_BODY_INCLUDE;
}
/**
* Process the end tag. Sets a cookie.
*
* @return indication of whether to continue evaluating the JSP page.
* @throws JspException if an error occurred while processing this tag.
*/
public int doEndTag() throws JspException
{
try
{
RssHelper rssHelper = new RssHelper();
SyndFeed feed = rssHelper.getFeed(this.feedType, this.title, this.link, this.description, this.encoding);
feed.setEntries(entries);
String rss = rssHelper.render(feed);
setResultAttribute(rss);
}
catch(Exception e)
{
logger.error("An error occurred when generating RSS-feed:" + e.getMessage(), e);
}
finally
{
entries = new ArrayList();
}
return EVAL_PAGE;
}
public void setFeedType(String feedType) throws JspException
{
this.feedType = evaluateString("RssFeed", "feedType", feedType);;
}
public void setDescription(String description) throws JspException
{
this.description = evaluateString("RssFeed", "description", description);
}
public void setLink(String link) throws JspException
{
this.link = evaluateString("RssFeed", "link", link);
}
public void setTitle(String title) throws JspException
{
this.title = evaluateString("RssFeed", "title", title);
}
/**
* Add syndentry to the list of entries that are to be rendered.
*/
public void addFeedEntry(final SyndEntry entry)
{
this.entries.add(entry);
}
public void setEncoding(String encoding)
{
this.encoding = encoding;
}
}