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 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.emailaddress.basicdata;
19 import java.text.MessageFormat;
20 import java.util.regex.Pattern;
21 import javax.enterprise.inject.spi.CDI;
22 import javax.faces.application.FacesMessage;
23 import javax.faces.component.UIComponent;
24 import javax.faces.context.FacesContext;
25 import javax.faces.validator.FacesValidator;
26 import javax.faces.validator.ValidatorException;
27 import org.mxchange.jcoreee.validator.string.BaseStringValidator;
28 import org.mxchange.jfinancials.beans.business.basicdata.FinancialsBasicDataWebRequestBean;
29 import org.mxchange.jfinancials.beans.business.basicdata.FinancialsBasicDataWebRequestController;
32 * A validator for basic company data email address validation
34 * @author Roland Häder<roland@mxchange.org>
36 @FacesValidator (value = "BasicDataEmailAddressValidator")
37 public class FinancialsBasicDataEmailAddressValidator extends BaseStringValidator {
40 * Branch office backing bean
42 private static FinancialsBasicDataWebRequestController BASIC_DATA_CONTROLLER;
47 private static final String EMAIL_REGEX = "^([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})(\\]?)$"; //NOI18N
52 private static final Pattern PATTERN_MATCHER = Pattern.compile(FinancialsBasicDataEmailAddressValidator.EMAIL_REGEX);
57 private static final long serialVersionUID = 187_536_745_607_195L;
60 public void validate (final FacesContext context, final UIComponent component, final Object value) throws ValidatorException {
62 final String[] requiredFields = {"emailAddress", "emailAddressRepeat", "resendEmailAddress"}; //NOI18N
64 // Default is to reject empty email address fields
65 Boolean allowEmptyValue = Boolean.FALSE;
67 // Is attribute "allowEmptyValue" set?
68 if (component.getAttributes().containsKey("allowEmptyValue")) { //NOI18N
70 final Object attribute = component.getAttributes().get("allowEmptyValue"); //NOI18N
72 // Make sure, it is Boolean as no String is accepted anymore
73 if (!(attribute instanceof String)) {
74 // Not valid attribute, please use "true" or "false" (default)
75 throw new IllegalArgumentException("allowEmptyValue must be of type String. Please use \"true\" or \"false\" for f:attribute value."); //NOI18N
79 allowEmptyValue = Boolean.parseBoolean((String) attribute);
82 // Pre-validation (example: not null, not a string, empty string ...)
83 super.preValidate(context, component, value, requiredFields, allowEmptyValue);
85 // Is the email address empty and allowed?
86 if (null == value && allowEmptyValue) {
87 // Then accept this here
89 } else if (null == value) {
91 throw new ValidatorException(new FacesMessage("No empty email address allowed.")); //NOI18N
94 // Get string from object ... ;-)
95 // @TODO Add IDN support (GNU lib?) Search for emailAddressRepeat
96 final String emailAddress = String.valueOf(value).trim();
98 // Checks if the email address matches a regex ("low-level" check)
99 // @TODO Should also be done by <f:validatorRegex />)
100 final boolean matches = PATTERN_MATCHER.matcher(emailAddress).matches(); //NOI18N
102 // Is the email address valid?
105 String message = MessageFormat.format("Email address {0} does not match regular expression.", emailAddress); //NOI18N
108 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_WARN, message, message));
111 // Get client id (aka form id)
112 final String clientId = component.getClientId();
114 // Is the instance there?
115 if (null == BASIC_DATA_CONTROLLER) {
116 // Get bean from CDI directly
117 BASIC_DATA_CONTROLLER = CDI.current().select(FinancialsBasicDataWebRequestBean.class).get();
121 final Boolean isRegistered = BASIC_DATA_CONTROLLER.isEmailAddressRegistered(emailAddress);
123 // Is the email address already registered?
124 if ((!clientId.endsWith("resendEmailAddress")) && (isRegistered)) { //NOI18N
126 final String message = MessageFormat.format("Email address {0} is already registered.", emailAddress); //NOI18N
128 // No, then abort here
129 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_INFO, message, message));
130 } else if ((clientId.endsWith("resendEmailAddress")) && (!isRegistered)) { //NOI18N
132 final String message = MessageFormat.format("Email address {0} is not registered.", emailAddress); //NOI18N
134 // No, then abort here
135 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_INFO, message, message));