package er.ajax.example2.components;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;
import com.sun.syndication.feed.synd.SyndContent;
import com.sun.syndication.feed.synd.SyndEntry;
import com.sun.syndication.feed.synd.SyndFeed;
import com.sun.syndication.io.FeedException;
import com.sun.syndication.io.SyndFeedInput;
import com.sun.syndication.io.XmlReader;
import com.webobjects.appserver.WOActionResults;
import com.webobjects.appserver.WOContext;
import com.webobjects.foundation.NSArray;
import com.webobjects.foundation.NSMutableArray;
public class RSSReader extends AjaxWOWODCPage {
private NSMutableArray<FeedWrapper> _feeds;
public FeedWrapper _repetitionFeed;
public FeedWrapper _selectedFeed;
public SyndEntry _repetitionEntry;
public SyndEntry _selectedEntry;
public RSSReader(WOContext context) {
super(context);
_feeds = new NSMutableArray<FeedWrapper>();
_feeds.addObject(new FeedWrapper("Project Wonder", "http://projectwonder.blogspot.com/feeds/posts/default"));
_feeds.addObject(new FeedWrapper("WOLips", "http://feeds.feedburner.com/wolips"));
_feeds.addObject(new FeedWrapper("Miguel Arroz", "http://terminalapp.net/feed/"));
_feeds.addObject(new FeedWrapper("Kieran Kelleher", "http://homepage.mac.com/kelleherk/iblog/rss.xml"));
_feeds.addObject(new FeedWrapper("David Leber", "http://davidleber.net/?feed=atom"));
_feeds.addObject(new FeedWrapper("Mike Schrag", "http://mschrag.blogspot.com/feeds/posts/default"));
}
@Override
protected boolean useDefaultComponentCSS() {
return true;
}
public WOActionResults feedSelected() {
_selectedEntry = null;
return null;
}
public NSArray<FeedWrapper> feeds() {
return _feeds;
}
public String feedEntryContents() {
String feedEntryContents = null;
if (_selectedEntry != null) {
List contents = _selectedEntry.getContents();
if (!contents.isEmpty()) {
SyndContent content = (SyndContent) contents.get(0);
feedEntryContents = content.getValue();
}
}
return feedEntryContents;
}
public static class FeedWrapper {
private String _name;
private String _url;
private SyndFeed _syndFeed;
public FeedWrapper(String name, String url) {
_name = name;
_url = url;
}
public String name() {
return _name;
}
public String url() {
return _url;
}
@SuppressWarnings("unchecked")
public NSArray entries() throws IllegalArgumentException, IOException, FeedException {
return new NSArray<SyndEntry>(syndFeed().getEntries());
}
public SyndFeed syndFeed() throws IOException, IllegalArgumentException, FeedException {
if (_syndFeed == null) {
URL feedUrl = new URL(_url);
HttpURLConnection feedConn = (HttpURLConnection) feedUrl.openConnection();
feedConn.addRequestProperty("User-Agent", "Mozilla/5.001 (windows; U; NT4.0; en-us) Gecko/25250101");
SyndFeedInput input = new SyndFeedInput();
XmlReader reader = new XmlReader(feedConn);
SyndFeed syndFeed;
try {
syndFeed = input.build(reader);
}
finally {
reader.close();
}
_syndFeed = syndFeed;
}
return _syndFeed;
}
}
}