git.mxchange.org Git - addressbook-war.git/blob

   1 /*
   2  * Copyright (C) 2016 - 2022 Free Software Foundation
   3  *
   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.
   8  *
   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.
  13  *
  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/>.
  16  */
  17 package org.mxchange.addressbook.validator.emailaddress.branchoffice;
  18
  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.addressbook.beans.business.branchoffice.list.AddressbookBranchOfficeListWebViewBean;
  28 import org.mxchange.addressbook.beans.business.branchoffice.list.AddressbookBranchOfficeListWebViewController;
  29 import org.mxchange.jcoreee.validator.string.BaseStringValidator;
  30
  31 /**
  32  * A validator for branch office email address validation
  33  * <p>
  34  * @author Roland Häder<roland@mxchange.org>
  35  */
  36 @FacesValidator (value = "BranchOfficeEmailAddressValidator")
  37 public class AddressbookBranchOfficeEmailAddressValidator extends BaseStringValidator {
  38
  39         /**
  40          * Branch office backing bean
  41          */
  42         private static AddressbookBranchOfficeListWebViewController BRANCH_OFFICE_LIST_CONTROLLER;
  43
  44         /**
  45          * Email pattern
  46          */
  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
  48
  49         /**
  50          * Pattern matcher
  51          */
  52         private static final Pattern PATTERN_MATCHER = Pattern.compile(AddressbookBranchOfficeEmailAddressValidator.EMAIL_REGEX);
  53
  54         /**
  55          * Serial number
  56          */
  57         private static final long serialVersionUID = 187_536_745_607_196L;
  58
  59         /**
  60          * Default constructor
  61          */
  62         public AddressbookBranchOfficeEmailAddressValidator () {
  63         }
  64
  65         @Override
  66         public void validate (final FacesContext context, final UIComponent component, final Object value) throws ValidatorException {
  67                 // The required field
  68                 final String[] requiredFields = {"branchEmailAddress"}; //NOI18N
  69
  70                 // Pre-validation (example: not null, not a string, empty string ...)
  71                 super.preValidate(context, component, value, requiredFields, Boolean.TRUE);
  72
  73                 // Is the email address empty and allowed?
  74                 if (null == value) {
  75                         // Then accept this here
  76                         return;
  77                 }
  78
  79                 // Get string from object ... ;-)
  80                 // @TODO Add IDN support (GNU lib?) Search for emailAddressRepeat
  81                 final String emailAddress = String.valueOf(value).trim();
  82
  83                 // Checks if the email address matches a regex ("low-level" check)
  84                 // @TODO Should also be done by <f:validatorRegex />)
  85                 final boolean matches = PATTERN_MATCHER.matcher(emailAddress).matches(); //NOI18N
  86
  87                 // Is the email address valid?
  88                 if (!matches) {
  89                         // Generate message
  90                         String message = MessageFormat.format("Email address {0} does not match regular expression.", emailAddress); //NOI18N
  91
  92                         // Not matching
  93                         throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_WARN, message, message));
  94                 }
  95
  96                 // Get client id (aka form id)
  97                 final String clientId = component.getClientId();
  98
  99                 // Is the instance there?
 100                 if (null == BRANCH_OFFICE_LIST_CONTROLLER) {
 101                         // Get bean from CDI directly
 102                         BRANCH_OFFICE_LIST_CONTROLLER = CDI.current().select(AddressbookBranchOfficeListWebViewBean.class).get();
 103                 }
 104
 105                 // Is it registered?
 106                 final Boolean isRegistered = BRANCH_OFFICE_LIST_CONTROLLER.isEmailAddressRegistered(emailAddress);
 107
 108                 // Is the email address already registered?
 109                 if ((clientId.endsWith("branchEmailAddress")) && isRegistered) { //NOI18N
 110                         // Generate message
 111                         final String message = MessageFormat.format("Email address {0} is already registered.", emailAddress); //NOI18N
 112
 113                         // No, then abort here
 114                         throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_INFO, message, message));
 115                 }
 116         }
 117
 118 }