RSS4J解析网络上指定URL的RSS文档的例子

这是一个用开源包rss4j组件通过解析网络上指定URL地址的RSS文件的例子。

不是很复杂，但是可以通过这个思路进行扩展，开发出自己的RSS聚合器。

外部包:

package com.moresee.rss;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Iterator;
import java.util.List;

import com.rsslibj.elements.Channel;
import com.rsslibj.elements.Item;
import com.rsslibj.elements.RSSReader;

import electric.xml.ParseException;

/**
 * RssDemo Author: Tony Tang Email:[email protected] homepage:<a
 * href="http://www.51etest.com">www.51etest.com</a>
 */
public class RssDemo {

	private static final String FEED_TYPE = "RSS";
	private String urlStr;

	public static void main(String[] args) {
		new RssDemo();
	}

	public RssDemo() {
		try {
			urlStr = "";
			grab(urlStr);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
	}

	public static void grab(String urlstr) throws FileNotFoundException {
		URL url = null;
		InputStream is = null;
		Channel channel = null;
		BufferedReader reader = null;
		try {
			RSSReader rssReader = new RSSReader();
			url = new URL(urlstr);
			is = url.openStream(); // 打开指定URL的输入流，即获取此URlRSS的内容

			reader = new BufferedReader(new InputStreamReader(is)); // 把字节流形式的数据转换成字符流

			rssReader.setReader(reader); // 把此rss数据流的读取器set到RSSReader中去
			channel = rssReader.getChannel(); // 获取RSS的Channel

			System.out.println(channel.getFeed(FEED_TYPE));

			List<Item> items = channel.getItems();
			for (Iterator<Item> iter = items.iterator(); iter.hasNext();) {
				Item item = iter.next();
				System.out.println(item.getTitle());
			}
		} catch (ParseException e) {
			e.printStackTrace();
		} catch (InstantiationException e) {
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (MalformedURLException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}

 email: [email protected]