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.jjobs.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.convert.ConverterException;
24 import javax.faces.validator.FacesValidator;
25 import javax.faces.validator.Validator;
26 import javax.faces.validator.ValidatorException;
27 import javax.naming.Context;
28 import javax.naming.InitialContext;
29 import javax.naming.NamingException;
30 import org.mxchange.jcoreee.validator.number.BaseLongValidator;
31 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
34 * A validator for user ids
36 * @author Roland Häder<roland@mxchange.org>
38 @FacesValidator ("UserIdValidator")
39 public class JobsUserIdValidator extends BaseLongValidator implements Validator {
44 private static UserSessionBeanRemote USER_BEAN;
49 private static final long serialVersionUID = 12_869_569_314_764_690L;
52 * Initialization of this converter
54 public JobsUserIdValidator () {
58 public void validate (final FacesContext context, final UIComponent component, final Object value) throws ValidatorException {
59 // All accepted, required fields
60 String[] requiredFields = {"userId"}; //NOI18N
62 // Pre-validation (example: not null, not a string, empty string ...)
63 super.preValidate(context, component, value, requiredFields, false);
66 Long userId = (Long) value;
68 // Is the bean not yet set?
69 // @TODO Requires this synchronization or is it (sync) confusing the container?
70 if (null == JobsUserIdValidator.USER_BEAN) {
73 // Get initial context
74 Context initialContext = new InitialContext();
76 // ... and user controller
77 JobsUserIdValidator.USER_BEAN = (UserSessionBeanRemote) initialContext.lookup("java:global/jjobs-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote"); //NOI18N
78 } catch (final NamingException ex) {
79 // Continue to throw it
80 throw new ConverterException(MessageFormat.format("initialContext.lookup() failed: {0}", ex.getMessage()), ex); //NOI18N
85 Boolean ifUserExists = JobsUserIdValidator.USER_BEAN.ifUserIdExists(userId);
87 // Is the user id valid?
90 throw new ValidatorException(new FacesMessage(MessageFormat.format("No user found with id {0}. Please check your link.", userId))); //NOI18N