2 * Copyright (C) 2016 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.addressbook.validator.emailaddress;
19 import java.text.MessageFormat;
20 import java.util.regex.Pattern;
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.Validator;
26 import javax.faces.validator.ValidatorException;
27 import javax.faces.view.facelets.FaceletException;
28 import javax.naming.Context;
29 import javax.naming.InitialContext;
30 import javax.naming.NamingException;
31 import org.mxchange.jcontacts.contact.ContactSessionBeanRemote;
32 import org.mxchange.jcoreee.validator.string.BaseStringValidator;
35 * A validator for email address validation
37 * @author Roland Häder<roland@mxchange.org>
39 @FacesValidator ("EmailAddressValidator")
40 public class AddressbookEmailAddressValidator extends BaseStringValidator implements Validator {
45 private static final long serialVersionUID = 187_536_745_607_192L;
48 * Contact session-scoped bean
50 private final ContactSessionBeanRemote contactBean;
55 public AddressbookEmailAddressValidator () {
58 // Get initial context
59 Context context = new InitialContext();
62 this.contactBean = (ContactSessionBeanRemote) context.lookup("java:global/addressbook-ejb/contact!org.mxchange.jcontacts.contact.ContactSessionBeanRemote"); //NOI18N
63 } catch (final NamingException e) {
65 throw new FaceletException(e);
70 public void validate (final FacesContext context, final UIComponent component, final Object value) throws ValidatorException {
72 String[] requiredFields = {"emailAddress", "emailAddressRepeat", "resendEmailAddress"}; //NOI18N
74 // Pre-validation (example: not null, not a string, empty string ...)
75 super.preValidate(context, component, value, requiredFields, false);
77 // Get string from object ... ;-)
78 // @TODO Add IDN support (GNU lib?) Search for emailAddressRepeat
79 String emailAddress = String.valueOf(value);
81 // Checks if the email address matches a regex ("low-level" check)
82 // @TODO Should also be done by <f:validatorRegex />)
83 boolean matches = Pattern.matches("^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$", emailAddress); //NOI18N
85 // Is the email address valid?
88 String message = MessageFormat.format("Email address {0} does not match regular expression.", emailAddress); //NOI18N
91 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, message, message));
94 // Get client id (aka form id)
95 String clientId = component.getClientId();
97 // Is the email address already registered?
98 if ((!clientId.endsWith("resendEmailAddress")) && (this.contactBean.isEmailAddressRegistered(emailAddress))) { //NOI18N
100 String message = MessageFormat.format("Email address {0} is already registered.", emailAddress); //NOI18N
102 // No, then abort here
103 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_INFO, message, message));
104 } else if ((clientId.endsWith("resendEmailAddress")) && (!this.contactBean.isEmailAddressRegistered(emailAddress))) { //NOI18N
106 String message = MessageFormat.format("Email address {0} is not registered.", emailAddress); //NOI18N
108 // No, then abort here
109 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_INFO, message, message));