rss « url « Java Network Q&A

1. java.io.FileNotFoundException for valid URL    stackoverflow.com

I use library rome.dev.java.net to fetch RSS. Code is

URL feedUrl = new URL("http://planet.rubyonrails.ru/xml/rss");
SyndFeedInput input = new SyndFeedInput();
SyndFeed feed = input.build(new XmlReader(feedUrl));

2. To find whether the given URL is a RSS Feed URL or not    stackoverflow.com

I have a list of URLs which has to be processed and the result should be only the RSS Feed URLS in that list. How to identify whether the given link is ...

3. is there is any way to find the given urls is an rss feeds using java    stackoverflow.com

i am writing an rss parser is there is any way to find the given url is rss or atom...using java

4. rss feed url validation    coderanch.com