AmazonRankingsPreferencesValidator.java |
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.amazonrankings; 21 22 import com.liferay.portlet.amazonrankings.model.AmazonRankings; 23 import com.liferay.portlet.amazonrankings.util.AmazonRankingsUtil; 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="AmazonRankingsPreferencesValidator.java.html"><b><i>View Source</i> 34 * </b></a> 35 * 36 * @author Brian Wing Shun Chan 37 * 38 */ 39 public class AmazonRankingsPreferencesValidator 40 implements PreferencesValidator { 41 42 public void validate(PortletPreferences prefs) throws ValidatorException { 43 List<String> badIsbns = new ArrayList<String>(); 44 45 String[] isbns = prefs.getValues("isbns", new String[0]); 46 47 for (int i = 0; i < isbns.length; i++) { 48 AmazonRankings amazonRankings = 49 AmazonRankingsUtil.getAmazonRankings(isbns[i]); 50 51 if (amazonRankings == null) { 52 badIsbns.add(isbns[i]); 53 } 54 } 55 56 if (badIsbns.size() > 0) { 57 throw new ValidatorException( 58 "Failed to retrieve ISBNs", badIsbns); 59 } 60 } 61 62 }