Java

Iterate Pages in Feed

See more Facebook Examples

Demonstrates how to read the next page in the user's Facebook feed, and iterates through all of the pages in the Facebook feed. Java

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[])
  {
    boolean success = false;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example assumes a previously obtained an access token
    CkOAuth2 oauth2 = new CkOAuth2();
    oauth2.put_AccessToken("FACEBOOK-ACCESS-TOKEN");

    CkRest rest = new CkRest();

    // Connect to Facebook and send the following GET request:
    success = rest.Connect("graph.facebook.com",443,true,true);
    if (success != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    // Provide the authentication credentials (i.e. the access key)
    rest.SetAuthOAuth2(oauth2);

    // Gets the 1st page in the user's feed.
    String responseJson = rest.fullRequestNoBody("GET","/v2.7/me/feed");
    if (rest.get_LastMethodSuccess() != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    CkJsonObject json = new CkJsonObject();
    json.put_EmitCompact(false);
    json.Load(responseJson);

    // 
    // See Parsing the Facebook User Feed for code showing how to parse the JSON feed content.
    // 

    CkUrl nextUrl = new CkUrl();

    // Get the URL for the next page in the feed.
    String nextUrlStr = json.stringOf("paging.next");
    while (json.get_LastMethodSuccess() == true) {

        System.out.println("Next page URL: " + nextUrlStr);

        nextUrl.ParseUrl(nextUrlStr);

        // Prepare for getting the next page in the feed.
        // We can continue using the same REST object.
        // If already connected, we'll continue using the existing connection.
        // Otherwise, a new connection will automatically be made if needed.
        rest.ClearAllQueryParams();
        rest.AddQueryParams(nextUrl.query());

        responseJson = rest.fullRequestNoBody("GET","/v2.7/me/feed");
        if (rest.get_LastMethodSuccess() != true) {
            System.out.println(rest.lastErrorText());
            return;
            }

        json.Load(responseJson);
        // See Parsing the Facebook User Feed for code showing how to parse the JSON feed content.

        // Get the URL for the next page.
        nextUrlStr = json.stringOf("paging.next");
        }

    System.out.println("No more pages in the feed.");
  }
}