2 * Copyright (C) 2016 - 2018 Free Software Foundation
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.list.FinancialsBasicDataListWebViewBean;
29 import org.mxchange.jfinancials.beans.business.basicdata.list.FinancialsBasicDataListWebViewController;
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 * Basic company data backing bean
42 private static FinancialsBasicDataListWebViewController BASIC_DATA_LIST_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 * Whether empty data is allowed
62 private Boolean allowEmptyRequiredData;
67 public FinancialsBasicDataEmailAddressValidator () {
68 this.allowEmptyRequiredData = Boolean.FALSE;
72 * Setter for allowEmptyRequiredData flag
74 * @param allowEmptyRequiredData Whether empty values are allowed
76 public void setAllowEmptyRequiredData (final Boolean allowEmptyRequiredData) {
77 this.allowEmptyRequiredData = allowEmptyRequiredData;
81 public void validate (final FacesContext context, final UIComponent component, final Object value) throws ValidatorException {
83 final String[] requiredFields = {"emailAddress", "emailAddressRepeat", "resendEmailAddress"}; //NOI18N
85 // Pre-validation (example: not null, not a string, empty string ...)
86 super.preValidate(context, component, value, requiredFields, this.allowEmptyRequiredData);
88 // Is the email address empty and allowed?
89 if (null == value && this.allowEmptyRequiredData) {
90 // Then accept this here
92 } else if (null == value) {
94 throw new ValidatorException(new FacesMessage("No empty email address allowed.")); //NOI18N
97 // Get string from object ... ;-)
98 // @TODO Add IDN support (GNU lib?) Search for emailAddressRepeat
99 final String emailAddress = String.valueOf(value).trim();
101 // Checks if the email address matches a regex ("low-level" check)
102 // @TODO Should also be done by <f:validatorRegex />)
103 final boolean matches = PATTERN_MATCHER.matcher(emailAddress).matches(); //NOI18N
105 // Is the email address valid?
108 String message = MessageFormat.format("Email address {0} does not match regular expression.", emailAddress); //NOI18N
111 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_WARN, message, message));
114 // Get client id (aka form id)
115 final String clientId = component.getClientId();
117 // Is the instance there?
118 if (null == BASIC_DATA_LIST_CONTROLLER) {
119 // Get bean from CDI directly
120 BASIC_DATA_LIST_CONTROLLER = CDI.current().select(FinancialsBasicDataListWebViewBean.class).get();
124 final Boolean isRegistered = BASIC_DATA_LIST_CONTROLLER.isEmailAddressRegistered(emailAddress);
126 // Is the email address already registered?
127 if ((!clientId.endsWith("resendEmailAddress")) && (isRegistered)) { //NOI18N
129 final String message = MessageFormat.format("Email address {0} is already registered.", emailAddress); //NOI18N
131 // No, then abort here
132 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_INFO, message, message));
133 } else if ((clientId.endsWith("resendEmailAddress")) && (!isRegistered)) { //NOI18N
135 final String message = MessageFormat.format("Email address {0} is not registered.", emailAddress); //NOI18N
137 // No, then abort here
138 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_INFO, message, message));