1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.googleapps;
16  
17  import com.liferay.portal.kernel.xml.Element;
18  
19  import java.util.List;
20  
21  /**
22   * <a href="GetNextItems.java.html"><b><i>View Source</i></b></a>
23   *
24   * @author Brian Wing Shun Chan
25   */
26  public abstract class GetNextItems {
27  
28      public GetNextItems(String url, Element atomFeedElement)
29          throws GoogleAppsException {
30  
31          List<Element> atomLinkElements = atomFeedElement.elements(
32              GHelperUtil.getAtomQName("link"));
33  
34          for (Element atomLinkElement : atomLinkElements) {
35              String rel = atomLinkElement.attributeValue("rel");
36  
37              if (rel.equals("next")) {
38                  String href = atomLinkElement.attributeValue("href");
39  
40                  if (!href.equals(url)) {
41                      getNextItems(href);
42                  }
43  
44                  break;
45              }
46          }
47      }
48  
49      public abstract void getNextItems(String nextURL)
50          throws GoogleAppsException;
51  
52  }