1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.rss;
21  
22  import java.net.MalformedURLException;
23  import java.net.URL;
24  
25  import java.util.ArrayList;
26  import java.util.List;
27  
28  import javax.portlet.PortletPreferences;
29  import javax.portlet.PreferencesValidator;
30  import javax.portlet.ValidatorException;
31  
32  /**
33   * <a href="RSSPreferencesValidator.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public class RSSPreferencesValidator implements PreferencesValidator {
39  
40      public void validate(PortletPreferences prefs) throws ValidatorException {
41          List<String> badURLs = new ArrayList<String>();
42  
43          String[] urls = prefs.getValues("urls", new String[0]);
44  
45          for (String url : urls) {
46              try {
47                  new URL(url);
48              }
49              catch (MalformedURLException murle) {
50                  badURLs.add(url);
51              }
52          }
53  
54          if (badURLs.size() > 0) {
55              throw new ValidatorException("Failed to retrieve URLs", badURLs);
56          }
57      }
58  
59  }