Read RSS Feed

Sample code showing how to read an RSS feed and display the contents.

The Chilkat RSS class/component is freeware.

Download Chilkat Java Library

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkRss rss = new CkRss();

    boolean success;

    //  Download from the feed URL:
    success = rss.DownloadRss("http://blog.chilkatsoft.com/?feed=rss2");
    if (success != true) {
        System.out.println(rss.lastErrorText());
        return;
    }

    //  Get the 1st channel.
    CkRss rssChannel;

    rssChannel = rss.GetChannel(0);
    if (rssChannel == null ) {
        System.out.println("No channel found in RSS feed.");
        return;
    }

    //  Display the various pieces of information about the channel:
    System.out.println("Title: " + rssChannel.getString("title"));
    System.out.println("Link: " + rssChannel.getString("link"));
    System.out.println("Description: " + rssChannel.getString("description"));

    //  For each item in the channel, display the title, link,
    //  publish date, and categories assigned to the post.
    int numItems;
    numItems = rssChannel.get_NumItems();
    int i;

    for (i = 0; i <= numItems - 1; i++) {
        CkRss rssItem;
        rssItem = rssChannel.GetItem(i);

        System.out.println("----");
        System.out.println("Title: " + rssItem.getString("title"));
        System.out.println("Link: " + rssItem.getString("link"));
        System.out.println("pubDate: " + rssItem.getString("pubDate"));

        int numCategories;
        numCategories = rssItem.GetCount("category");
        int j;
        if (numCategories > 0) {
            for (j = 0; j <= numCategories - 1; j++) {
                System.out.println("    category: "
                     + rssItem.mGetString("category",j));
            }

        }

    }


  }
}