Send Ping to Yahoo! when RSS Feed is Updated

How to ping Yahoo! when an RSS feed has been updated, using the REST interface.

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[])
  {

    CkHttp http = new CkHttp();

    boolean success;

    //  Any string unlocks the component for the 1st 30-days.
    success = http.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(http.lastErrorText());
        return;
    }

    //  Yahoo indicates that The REST interface:
    //  URL: http://ping.feeds.yahoo.com/rss/ping
    //  Parameter(s): u=<site or feed url>
    //  HTTP method: GET

    //  The RSS2 feed URL for blog.chilkatsoft.com is:
    //  http://blog.chilkatsoft.com/?feed=rss2

    //  Send the HTTP GET and return the content in a string.
    String responseText;
    responseText = http.quickGetStr("http://ping.feeds.yahoo.com/rss/ping?u=http://blog.chilkatsoft.com/?feed=rss2");

    System.out.println(responseText);
  }
}