CurrencyPreferencesValidator.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.currencyconverter; 24 25 import com.liferay.portlet.currencyconverter.model.Currency; 26 import com.liferay.portlet.currencyconverter.util.CurrencyUtil; 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="CurrencyPreferencesValidator.java.html"><b><i>View Source</i></b> 37 * </a> 38 * 39 * @author Brian Wing Shun Chan 40 */ 41 public class CurrencyPreferencesValidator implements PreferencesValidator { 42 43 public void validate(PortletPreferences preferences) 44 throws ValidatorException { 45 46 List<String> badSymbols = new ArrayList<String>(); 47 48 String[] symbols = preferences.getValues("symbols", new String[0]); 49 50 for (int i = 0; i < symbols.length; i++) { 51 Currency currency = CurrencyUtil.getCurrency(symbols[i]); 52 53 if (currency == null) { 54 badSymbols.add(symbols[i]); 55 } 56 } 57 58 if (badSymbols.size() > 0) { 59 throw new ValidatorException( 60 "Failed to retrieve symbols", badSymbols); 61 } 62 } 63 64 }