public boolean like(Post post)
     throws NotAuthentifiedException, OAuthMessageSignerException, OAuthExpectationFailedException,
         OAuthCommunicationException, ClientProtocolException, IOException, JSONException {
   String id = post.getId();
   if (!isAuthentified()) throw new NotAuthentifiedException(NETWORK);
   ReadableResponse response =
       Utils.signedRequest(
           PUT, PUT_LIKE + id, httpOauthConsumer, JSON_TYPE, new ArrayList<NameValuePair>());
   return reader.readResponse(response);
 }
 public boolean comment(Post post, String comment)
     throws FileNotFoundException, MalformedURLException, IOException, NotAuthentifiedException,
         OAuthMessageSignerException, OAuthExpectationFailedException, OAuthCommunicationException,
         JSONException {
   if (!isAuthentified()) throw new NotAuthentifiedException(NETWORK);
   String entity = XML_ENTITY1 + comment + XML_ENTITY2;
   ReadableResponse response =
       Utils.signedRequest(
           POST2, POST_COMMENT + post.getId() + COMMENTS, httpOauthConsumer, XML_TYPE, entity);
   return reader.readResponse(response);
 }