001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portlet.rss;
016    
017    import com.liferay.portal.kernel.util.Validator;
018    
019    import java.util.ArrayList;
020    import java.util.List;
021    
022    import javax.portlet.PortletPreferences;
023    import javax.portlet.PreferencesValidator;
024    import javax.portlet.ValidatorException;
025    
026    /**
027     * @author Brian Wing Shun Chan
028     */
029    public class RSSPreferencesValidator implements PreferencesValidator {
030    
031            public void validate(PortletPreferences preferences)
032                    throws ValidatorException {
033    
034                    List<String> badURLs = new ArrayList<String>();
035    
036                    String[] urls = preferences.getValues("urls", new String[0]);
037    
038                    for (String url : urls) {
039                            if (!Validator.isUrl(url)) {
040                                    badURLs.add(url);
041                            }
042                    }
043    
044                    if (badURLs.size() > 0) {
045                            throw new ValidatorException("Failed to retrieve URLs", badURLs);
046                    }
047            }
048    
049    }