2 * Copyright (C) 2017 Roland Häder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU Affero General Public License as
6 * published by the Free Software Foundation, either version 3 of the
7 * License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU Affero General Public License for more details.
14 * You should have received a copy of the GNU Affero General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.jfinancials.validator.product_category;
19 import java.text.MessageFormat;
20 import javax.enterprise.inject.spi.CDI;
21 import javax.faces.application.FacesMessage;
22 import javax.faces.component.UIComponent;
23 import javax.faces.context.FacesContext;
24 import javax.faces.validator.FacesValidator;
25 import javax.faces.validator.ValidatorException;
26 import org.mxchange.jcoreee.validator.string.BaseStringValidator;
27 import org.mxchange.jfinancials.beans.product_category.FinancialCategoryWebRequestBean;
28 import org.mxchange.jfinancials.beans.product_category.FinancialCategoryWebRequestController;
31 * A validator for product categories, will fail when category i18n key is
34 * @author Roland Häder<roland@mxchange.org>
36 @FacesValidator(value = "ProductCategoryValidator")
37 public class FinancialsProductCategoryValidator extends BaseStringValidator {
40 * Backing bean for product categories
42 private static FinancialCategoryWebRequestController CATEGORY_CONTROLLER;
47 private static final long serialVersionUID = 1_086_256_763_716_450L;
50 public void validate (final FacesContext context, final UIComponent component, final Object categoryI18nKey) throws ValidatorException {
52 final String[] requiredFields = {"categoryI18nKey"}; //NOI18N
55 super.preValidate(context, component, categoryI18nKey, requiredFields, Boolean.FALSE);
57 // Is the instance there?
58 if (null == CATEGORY_CONTROLLER) {
59 // Then get it from CDI
60 CATEGORY_CONTROLLER = CDI.current().select(FinancialCategoryWebRequestBean.class).get();
63 // Check, if the name has already been used
64 if (CATEGORY_CONTROLLER.isCategoryI18nKeyAdded((String) categoryI18nKey)) {
66 final String message = MessageFormat.format("I18n key {0} is already used. Please type an other.", categoryI18nKey);
69 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_WARN, message, message));