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.portlet.rss;
16  
17  import com.liferay.portal.kernel.util.Validator;
18  
19  import java.util.ArrayList;
20  import java.util.List;
21  
22  import javax.portlet.PortletPreferences;
23  import javax.portlet.PreferencesValidator;
24  import javax.portlet.ValidatorException;
25  
26  /**
27   * <a href="RSSPreferencesValidator.java.html"><b><i>View Source</i></b></a>
28   *
29   * @author Brian Wing Shun Chan
30   */
31  public class RSSPreferencesValidator implements PreferencesValidator {
32  
33      public void validate(PortletPreferences preferences)
34          throws ValidatorException {
35  
36          List<String> badURLs = new ArrayList<String>();
37  
38          String[] urls = preferences.getValues("urls", new String[0]);
39  
40          for (String url : urls) {
41              if (!Validator.isUrl(url)) {
42                  badURLs.add(url);
43              }
44          }
45  
46          if (badURLs.size() > 0) {
47              throw new ValidatorException("Failed to retrieve URLs", badURLs);
48          }
49      }
50  
51  }