| RSSPreferencesValidator.java |
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 java.net.MalformedURLException;
18 import java.net.URL;
19
20 import java.util.ArrayList;
21 import java.util.List;
22
23 import javax.portlet.PortletPreferences;
24 import javax.portlet.PreferencesValidator;
25 import javax.portlet.ValidatorException;
26
27 /**
28 * <a href="RSSPreferencesValidator.java.html"><b><i>View Source</i></b></a>
29 *
30 * @author Brian Wing Shun Chan
31 */
32 public class RSSPreferencesValidator implements PreferencesValidator {
33
34 public void validate(PortletPreferences preferences)
35 throws ValidatorException {
36
37 List<String> badURLs = new ArrayList<String>();
38
39 String[] urls = preferences.getValues("urls", new String[0]);
40
41 for (String url : urls) {
42 try {
43 new URL(url);
44 }
45 catch (MalformedURLException murle) {
46 badURLs.add(url);
47 }
48 }
49
50 if (badURLs.size() > 0) {
51 throw new ValidatorException("Failed to retrieve URLs", badURLs);
52 }
53 }
54
55 }