* @return list of names of a user's public and private calendars.
*/
public List<String> getCalendarNames(String accessToken, String accessTokenSecret) throws Exception {
CalendarService calendarService = new CalendarService("apache-camel-2.3");
OAuthParameters params = getOAuthParams(accessToken, accessTokenSecret);
calendarService.setOAuthCredentials(params, new OAuthHmacSha1Signer());
URL feedUrl = new URL("http://www.google.com/calendar/feeds/default/");
CalendarFeed resultFeed = calendarService.getFeed(feedUrl, CalendarFeed.class);
ArrayList<String> result = new ArrayList<String>();
for (int i = 0; i < resultFeed.getEntries().size(); i++) {