/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.portals.applications.rss;
import java.io.IOException;
import java.net.URL;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.PortletException;
import javax.portlet.PortletPreferences;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.portals.bridges.velocity.GenericVelocityPortlet;
import org.apache.velocity.context.Context;
import com.sun.syndication.feed.synd.SyndFeed;
import com.sun.syndication.io.SyndFeedInput;
import com.sun.syndication.io.XmlReader;
/**
* Rome RSS Portlet
*
* @author <a href="mailto:taylor@apache.org">David Sean Taylor </a>
* @version $Id: RomeRSSPortlet.java 516448 2007-03-09 16:25:47Z ate $
*/
public class RomeRSSPortlet extends GenericVelocityPortlet
{
protected Logger log = LoggerFactory.getLogger(RomeRSSPortlet.class);
/**
* @see javax.portlet.Portlet#init(javax.portlet.PortletConfig)
*/
public void init(PortletConfig config) throws PortletException
{
super.init(config);
}
/**
* @see javax.portlet.GenericPortlet#doView(javax.portlet.RenderRequest, javax.portlet.RenderResponse)
*/
public void doView(RenderRequest request, RenderResponse response) throws PortletException, IOException
{
response.setContentType("text/html");
Context velocityContext = this.getContext(request);
PortletPreferences prefs = request.getPreferences();
String url = prefs.getValue("url", "http://www.npr.org/rss/rss.php?topicId=4");
try
{
URL feedUrl = new URL(url);
SyndFeedInput input = new SyndFeedInput();
SyndFeed feed = input.build(new XmlReader(feedUrl));
RssInfo rssInfo = new RssInfo(feed, new Integer(prefs.getValue("itemdisplayed", "15")).intValue(), new Boolean(prefs
.getValue("openinpopup", "true")).booleanValue(), new Boolean(prefs.getValue("showdescription", "true"))
.booleanValue(), new Boolean(prefs.getValue("showtitle", "true")).booleanValue(), new Boolean(prefs.getValue(
"showtextinput", "true")).booleanValue());
if (feed.getTitle() != null)
response.setTitle(feed.getTitle());
velocityContext.put("rssInfo", rssInfo);
super.doView(request, response);
}
catch (Exception e)
{
throw new PortletException(new String("Failed to process RSS Feed: " + url + ", " + e));
}
}
/**
*
* @see javax.portlet.GenericPortlet#doEdit(javax.portlet.RenderRequest, javax.portlet.RenderResponse)
*/
public void doEdit(RenderRequest request, RenderResponse response) throws PortletException, IOException
{
response.setContentType("text/html");
doPreferencesEdit(request, response);
}
/**
*
* @see javax.portlet.Portlet#processAction(javax.portlet.ActionRequest, javax.portlet.ActionResponse)
*/
public void processAction(ActionRequest request, ActionResponse actionResponse) throws PortletException, java.io.IOException
{
String add = request.getParameter("Save");
if (add != null)
{
processPreferencesAction(request, actionResponse);
}
}
}