| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.example.gauth; |
| |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Properties; |
| |
| import com.google.gdata.client.authn.oauth.OAuthHmacSha1Signer; |
| import com.google.gdata.client.authn.oauth.OAuthParameters; |
| import com.google.gdata.client.calendar.CalendarService; |
| import com.google.gdata.data.calendar.CalendarEntry; |
| import com.google.gdata.data.calendar.CalendarFeed; |
| |
| /** |
| * Facade for getting calendar names from the Google Calendar API. The access is made on |
| * behalf of a user by providing an OAuth access token and access token secret. |
| */ |
| public class TutorialService { |
| |
| private Properties credentials; |
| |
| /** |
| * Sets properties that contains the application's consumer key and consumer secret. |
| * |
| * @param credentials consumer key and consumer secret. |
| */ |
| public void setCredentials(Properties credentials) { |
| this.credentials = credentials; |
| } |
| |
| /** |
| * Obtains a list of names of a user's public and private calendars from the Google |
| * Calendar API. |
| * |
| * @param accessToken OAuth access token. |
| * @param accessTokenSecret OAuth access token secret. |
| * @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); |
| |
| List<String> result = new ArrayList<String>(); |
| for (int i = 0; i < resultFeed.getEntries().size(); i++) { |
| CalendarEntry entry = resultFeed.getEntries().get(i); |
| result.add(entry.getTitle().getPlainText()); |
| } |
| return result; |
| } |
| |
| private OAuthParameters getOAuthParams(String accessToken, String accessTokenSecret) { |
| OAuthParameters params = new OAuthParameters(); |
| params.setOAuthConsumerKey(credentials.getProperty("consumer.key")); |
| params.setOAuthConsumerSecret(credentials.getProperty("consumer.secret")); |
| params.setOAuthToken(accessToken); |
| params.setOAuthTokenSecret(accessTokenSecret); |
| return params; |
| } |
| |
| } |