public Configuration getConf() 
{
    return this.conf;
}

 public ParseResult getParse(Content content) 
{
                                                      
        List theRSSChannels = null;
        try {
            byte[] raw = content.getContent();
            // create a new FeedParser...
            FeedParser parser = FeedParserFactory.newFeedParser();
            // create a listener for handling our callbacks
            FeedParserListener listener = new FeedParserListenerImpl();
            // start parsing our feed and have the onItem methods called
            parser.parse(listener, new ByteArrayInputStream(raw), /* resource */
            null);
            theRSSChannels = ((FeedParserListenerImpl) listener).getChannels();
        } catch (Exception e) { // run time exception
            if (LOG.isWarnEnabled()) {
              e.printStackTrace(LogUtil.getWarnStream(LOG));
              LOG.warn("nutch:parse-rss:RSSParser Exception: " + e.getMessage());
            }
            return new ParseStatus(ParseStatus.FAILED,
                    "Can't be handled as rss document. " + e).getEmptyParseResult(content.getUrl(), getConf());
        }
        StringBuffer contentTitle = new StringBuffer(), indexText = new StringBuffer();
        List theOutlinks = new Vector();
        // for us, the contentTitle will be a concatenation of the titles of the
        // RSS Channels that we've parsed
        // and the index text will be a concatenation of the RSS Channel
        // descriptions, and descriptions of the RSS Items in the channel
        // also get the outlinks
        if (theRSSChannels != null) {
            for (int i = 0; i <  theRSSChannels.size(); i++) {
                RSSChannel r = (RSSChannel) theRSSChannels.get(i);
                contentTitle.append(r.getTitle());
                contentTitle.append(" ");
                // concat the description to the index text
                indexText.append(r.getDescription());
                indexText.append(" ");
                if (r.getLink() != null) {
                    try {
                        // get the outlink
			if (r.getDescription()!= null ) {
			    theOutlinks.add(new Outlink(r.getLink(), r.getDescription()));
			} else {
			    theOutlinks.add(new Outlink(r.getLink(), ""));
			}
                    } catch (MalformedURLException e) {
                        if (LOG.isWarnEnabled()) {
                          LOG.warn("MalformedURL: " + r.getLink());
                          LOG.warn("Attempting to continue processing outlinks");
                          e.printStackTrace(LogUtil.getWarnStream(LOG));
                        }
                        continue;
                    }
                }
                // now get the descriptions of all the underlying RSS Items and
                // then index them too
                for (int j = 0; j <  r.getItems().size(); j++) {
                    RSSItem theRSSItem = (RSSItem) r.getItems().get(j);
                    indexText.append(theRSSItem.getDescription());
                    indexText.append(" ");
                    String whichLink = null;
                    if (theRSSItem.getPermalink() != null)
                        whichLink = theRSSItem.getPermalink();
                    else
                        whichLink = theRSSItem.getLink();
                    if (whichLink != null) {
                        try {
			    if (theRSSItem.getDescription()!=null) {
				theOutlinks.add(new Outlink(whichLink, theRSSItem.getDescription()));
			    } else {
				theOutlinks.add(new Outlink(whichLink, ""));
			    }
                        } catch (MalformedURLException e) {
                            if (LOG.isWarnEnabled()) {
                              LOG.warn("MalformedURL: " + whichLink);
                              LOG.warn("Attempting to continue processing outlinks");
                              e.printStackTrace(LogUtil.getWarnStream(LOG));
                            }
                            continue;
                        }
                    }
                }
            }
            if (LOG.isTraceEnabled()) {
              LOG.trace("nutch:parse-rss:getParse:indexText=" + indexText);
              LOG.trace("nutch:parse-rss:getParse:contentTitle=" + contentTitle);
            }
        } else if (LOG.isTraceEnabled()) {
            LOG.trace("nutch:parse-rss:Error:getParse: No RSS Channels recorded!");
        }
        // format the outlinks
        Outlink[] outlinks = (Outlink[]) theOutlinks.toArray(new Outlink[theOutlinks.size()]);
        if (LOG.isTraceEnabled()) {
          LOG.trace("nutch:parse-rss:getParse:found " + outlinks.length + " outlinks");
        }
        // if (LOG.isInfoEnabled()) {
        //   LOG.info("Outlinks: "+outlinks);
        // }
        ParseData parseData = new ParseData(ParseStatus.STATUS_SUCCESS,
                contentTitle.toString(), outlinks, content.getMetadata());
        return ParseResult.createParseResult(content.getUrl(), new ParseImpl(indexText.toString(), parseData));
}

Implementation method, parses the RSS content, and then returns a ParseImpl .

 public static  void main(String[] args) throws Exception 
{
    //LOG.setLevel(Level.FINE);
    String url = args[0];
    Configuration conf = NutchConfiguration.create();
    RSSParser parser = new RSSParser();
    parser.setConf(conf);
    Protocol protocol = new ProtocolFactory(conf).getProtocol(url);
    Content content = protocol.getProtocolOutput(new Text(url), new CrawlDatum()).getContent();
    Parse parse = parser.getParse(content).get(content.getUrl());
    System.out.println("data: "+ parse.getData());
    System.out.println("text: "+parse.getText());
}

 public  void setConf(Configuration conf) 
{
    this.conf = conf;
}