rss 开发实例2 getFeed()方法得实现

package com.ouou.webapp.rss;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.springframework.web.bind.RequestUtils;

import org.springframework.beans.BeansException;

import com.sun.syndication.feed.synd.SyndFeed;

import com.sun.syndication.feed.synd.SyndImage;

import com.sun.syndication.feed.synd.SyndImageImpl;

import com.sun.syndication.io.FeedException;

import com.ouou.video.om.Videos;

import com.ouou.video.om.VideosPeer;

import com.ouou.util.ImagesUtil;

import com.ouou.util.DomainUtil;

import com.ouou.service.impl.VideosManagerImpl;

import com.leyuan.client.model.User;

import com.leyuan.client.model.UserInfo;

import javax.servlet.http.HttpServletRequest;

import java.io.IOException;

import java.util.Properties;

import java.util.List;

/**

* Created by IntelliJ IDEA.

* User: xingtao

* Date: 2006-9-12

* Time: 21:54:11

*/

public class SpaceFeed extends AbstractFeedServlet{

    private static final Log logger = LogFactory.getLog(SpaceFeed.class);

    public SyndFeed getFeed(HttpServletRequest request, String type) throws IOException, FeedException {

        String username = RequestUtils.getStringParameter(request, "username","");

        SyndFeed feed = getBaseFeed();

        try {

            Properties prop = (Properties) context.getBean("space_rss");

            User user = umanager.getUserByUserName(username);

            UserInfo userInfo = umanager.getUserInfoByUID(user.getUid());

            if (!"".equalsIgnoreCase(username) || null != user || null!=userInfo ) {

                feed.setTitle(new StringBuffer(prop.getProperty("title")).append(user.getNick()).toString());

                feed.setDescription(userInfo.getIntro());

                SyndImage image = new SyndImageImpl();

                image.setUrl(ImagesUtil.getUserCoverUrl(userInfo.getCoverImage()));

                image.setTitle(user.getUserName());

                String link = new StringBuffer(DomainUtil.getSpaceDomain())

                            .append("/space/")

                            .append(user.getUserName()).toString();

                image.setLink(link);

                feed.setImage(image);

                feed.setLink(link);                

                List<Videos> list = vmanager.getVideos(user.getUid(),VideosManagerImpl.AUDITING_STATUS, VideosManagerImpl.SHARE,10,0, VideosPeer.CREATE_TIME,false);

                feed = process(feed, list);

            }

        } catch (BeansException e) {

            e.printStackTrace();

            logger.error(e);

            return null;

        }

        return feed;

    }

}