1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.rss;
24  
25  import java.net.MalformedURLException;
26  import java.net.URL;
27  
28  import java.util.ArrayList;
29  import java.util.List;
30  
31  import javax.portlet.PortletPreferences;
32  import javax.portlet.PreferencesValidator;
33  import javax.portlet.ValidatorException;
34  
35  /**
36   * <a href="RSSPreferencesValidator.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   *
40   */
41  public class RSSPreferencesValidator implements PreferencesValidator {
42  
43      public void validate(PortletPreferences preferences)
44          throws ValidatorException {
45  
46          List<String> badURLs = new ArrayList<String>();
47  
48          String[] urls = preferences.getValues("urls", new String[0]);
49  
50          for (String url : urls) {
51              try {
52                  new URL(url);
53              }
54              catch (MalformedURLException murle) {
55                  badURLs.add(url);
56              }
57          }
58  
59          if (badURLs.size() > 0) {
60              throw new ValidatorException("Failed to retrieve URLs", badURLs);
61          }
62      }
63  
64  }