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