2 * Copyright (C) 2016, 2017 Roland Häder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (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 General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.pizzaapplication.validator.user;
19 import java.text.MessageFormat;
20 import javax.faces.application.FacesMessage;
21 import javax.faces.component.UIComponent;
22 import javax.faces.context.FacesContext;
23 import javax.faces.validator.FacesValidator;
24 import javax.faces.validator.ValidatorException;
25 import javax.naming.Context;
26 import javax.naming.InitialContext;
27 import javax.naming.NamingException;
28 import org.mxchange.jcoreee.validator.number.BaseNumberValidator;
29 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
32 * A validator for user ids
34 * @author Roland Häder<roland@mxchange.org>
36 @FacesValidator ("UserIdValidator")
37 public class PizzaUserIdValidator extends BaseNumberValidator {
42 private static UserSessionBeanRemote USER_BEAN;
47 private static final long serialVersionUID = 12_869_569_314_764_690L;
52 public PizzaUserIdValidator () {
56 public void validate (final FacesContext context, final UIComponent component, final Object value) throws ValidatorException {
57 // Is the instance there?
58 if (USER_BEAN == null) {
60 // Not yet, attempt lookup
61 Context initial = new InitialContext();
64 USER_BEAN = (UserSessionBeanRemote) initial.lookup("java:global/jfinancials-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote");
65 } catch (final NamingException ex) {
67 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "Cannot lookup EJB", ex.getMessage()), ex);
71 // All accepted, required fields
72 String[] requiredFields = {"userId"}; //NOI18N
74 // Pre-validation (example: not null, not a string, empty string ...)
75 super.preValidate(context, component, value, requiredFields, false);
78 Long userId = (Long) value;
81 Boolean ifUserExists = USER_BEAN.ifUserIdExists(userId);
83 // Is the user id valid?
86 throw new ValidatorException(new FacesMessage(MessageFormat.format("No user found with id {0}. Please check your link.", userId))); //NOI18N