String sig = generateSignature(params,oauth_token_secret);
String authorization = generateAuthString(timestamp, nonce, sig);
HTTPRequest request = new HTTPRequest(new URL(url.toString() + "?id=" + id),HTTPMethod.GET);
request.addHeader(new HTTPHeader("Authorization",authorization));
URLFetchService service = URLFetchServiceFactory.getURLFetchService();
HTTPResponse response = service.fetch(request);
return response;
}