| RSSPreferencesValidator.java |
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 }