AmazonRankingsPreferencesValidator.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * 5 * 6 * 7 * The contents of this file are subject to the terms of the Liferay Enterprise 8 * Subscription License ("License"). You may not use this file except in 9 * compliance with the License. You can obtain a copy of the License by 10 * contacting Liferay, Inc. See the License for the specific language governing 11 * permissions and limitations under the License, including but not limited to 12 * distribution rights 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.amazonrankings; 24 25 import com.liferay.portlet.amazonrankings.model.AmazonRankings; 26 import com.liferay.portlet.amazonrankings.util.AmazonRankingsUtil; 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="AmazonRankingsPreferencesValidator.java.html"><b><i>View Source</i> 37 * </b></a> 38 * 39 * @author Brian Wing Shun Chan 40 */ 41 public class AmazonRankingsPreferencesValidator 42 implements PreferencesValidator { 43 44 public void validate(PortletPreferences preferences) 45 throws ValidatorException { 46 47 List<String> badIsbns = new ArrayList<String>(); 48 49 String[] isbns = preferences.getValues("isbns", new String[0]); 50 51 for (int i = 0; i < isbns.length; i++) { 52 AmazonRankings amazonRankings = 53 AmazonRankingsUtil.getAmazonRankings(isbns[i]); 54 55 if (amazonRankings == null) { 56 badIsbns.add(isbns[i]); 57 } 58 } 59 60 if (badIsbns.size() > 0) { 61 throw new ValidatorException( 62 "Failed to retrieve ISBNs", badIsbns); 63 } 64 } 65 66 }