Rome的两种使用方法

所需jar包的下载 here，在这里可以找到与rome相关的所有文件

1、只使用rome

package com.ivo.rss;

import java.io.IOException;

import java.net.URL;

import java.util.Iterator;

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;

public class Feed {

public static void main(String[] args) throws Exception {

SyndFeedInput input = new SyndFeedInput();

//System.out.println(warmedFeed);

SyndFeed feed = input.build(new XmlReader(new URL("

http://rss.news.yahoo.com/rss/topstories

")));

// Iterate through feed items, adding a footer each item

Iterator entryIter = feed.getEntries().iterator();

while (entryIter.hasNext()) {

SyndEntry entry = (SyndEntry) entryIter.next();

System.out.println(entry.getPublishedDate());

System.out.println(entry.getTitle());

//System.out.println(entry.getDescription());

//System.out.println(entry.getAuthor());

System.out.println(entry.getLink());

}

}

}

2、使用rome+rome fetcher

package com.ivo.rss;

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.fetcher.FeedFetcher;

import com.sun.syndication.fetcher.impl.FeedFetcherCache;

import com.sun.syndication.fetcher.impl.HashMapFeedInfoCache;

import com.sun.syndication.fetcher.impl.HttpURLFeedFetcher;

public class RssReader {

public static void main(String[] args) throws Exception {

FeedFetcherCache feedInfoCache = HashMapFeedInfoCache.getInstance();

FeedFetcher feedFetcher = new HttpURLFeedFetcher(feedInfoCache);

SyndFeed feed = feedFetcher.retrieveFeed(new URL(

"

http://feeds.feedburner.com/jscud

"));

List entryList = feed.getEntries();

for (int i = 0; i < entryList.size(); i++) {

SyndEntry entry = (SyndEntry) entryList.get(i);

System.out.println("Published Date: "+entry.getPublishedDate());

System.out.println("Title: "+entry.getTitle());

System.out.println("Link: "+entry.getLink());

//System.out.println(entry.getDescription());

SyndContent sc = entry.getDescription();

System.out.println("Description: "+sc.getValue());

System.out.println("------------------------------");

}

}

}

上面是使用了缓存的,也就是说更新才读取,如果每次都读取,则修改对应行为:

FeedFetcher feedFetcher = new HttpURLFeedFetcher();