使用FreeMarker/Jsp(WebWork2)生成静态/动态RSS文件[2]

    /**
     * 重新生成RSS文件.
     *
     * @param nid 更新的新闻的id,如果不包含在最新的新闻里,则不更新RSS.nid <1则更新
     *
     * @return 是否成功
     */
    private boolean renewRSS(int nid)
    {
        List newsList = 装载新闻的代码

        boolean shouldUpdate = false;
        if (nid > 0)
        {
            for (int i = 0; i < newsList.size(); i++)
            {
                NewsItem aNews = (NewsItem) newsList.get(i);
                if (aNews.getNid() == nid)
                {
                    shouldUpdate = true;
                    break;
                }
            }
        }
        else
        {
            shouldUpdate = true;
        }

        //不更新,则返回
        if (!shouldUpdate)
        {
            return true;
        }

        Map root = new HashMap();
       
        root.put("rssutil",new RSSUtil());

        root.put("newslist", newsList);
       
        root.put("now",DateTime.getNowTimestamp());

        geneFileByFreeMarker("/news/rss.ftl", root, PropSet.getStringProp("rss.rssdir"), PropSet
                        .getStringProp("rss.rssfile"), "UTF-8");

        return true;
    }

        newsList = 装载新闻代码
        return SUCCESS;