The code below is facebook  integration code in salesforce . I want to download likes ,comments and posts in salesforce and then i want to see it in Visual force page .
Kindly   solve this code.
To see post  --change the url  ------ https://graph.facebook.com/me/feed?
Http http =new Http();
HttpRequest req =new HttpRequest();
req.setEndpoint('https://graph.facebook.com/me/feed?access_token=Edkjghkdjhkhghdkghkh');
req.setmethod('GET');
HttpResponse res = http.send(req);
String str = res.getbody();
System.debug(str);
 

Hi guys.. I want to integrate facebook on salesforce.i want to know the process regarding this.
I want to fetch some data regaring the user..
pls tell me what things are required as i am using REST api.