* @throws IOException I/O exception
*/
public final OAuthCredentialsResponse execute() throws IOException {
HttpRequestFactory requestFactory = transport.createRequestFactory();
HttpRequest request =
requestFactory.buildRequest(usePost ? HttpMethod.POST : HttpMethod.GET, this, null);
createParameters().intercept(request);
HttpResponse response = request.execute();
response.setContentLoggingLimit(0);
OAuthCredentialsResponse oauthResponse = new OAuthCredentialsResponse();
UrlEncodedParser.parse(response.parseAsString(), oauthResponse);