src/java/org/mxchange/jjobs/validator/business/headquarter/JobsHeadquarterCompanyNameValidator.java

   1 /*
   2  * Copyright (C) 2017 - 2020 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.jjobs.validator.business.headquarter;
  18
  19 import java.text.MessageFormat;
  20 import javax.enterprise.inject.spi.CDI;
  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.ValidatorException;
  26 import org.mxchange.jcoreee.validator.string.BaseStringValidator;
  27 import org.mxchange.jjobs.beans.business.headquarter.JobsHeadquarterWebRequestBean;
  28 import org.mxchange.jjobs.beans.business.headquarter.JobsHeadquarterWebRequestController;
  29
  30 /**
  31  * A validator for headquarter company names
  32  * <p>
  33  * @author Roland Häder<roland@mxchange.org>
  34  */
  35 @FacesValidator (value = "HeadquarterCompanyNameValidator")
  36 public class JobsHeadquarterCompanyNameValidator extends BaseStringValidator {
  37
  38         /**
  39          * Headquarter backing bean
  40          */
  41         private static JobsHeadquarterWebRequestController HEADQUARTER_CONTROLLER;
  42
  43         /**
  44          * Serial number
  45          */
  46         private static final long serialVersionUID = 57_283_657_476_561L;
  47
  48         @Override
  49         public void validate (final FacesContext context, final UIComponent component, final Object value) throws ValidatorException {
  50                 // Is the instance there?
  51                 if (null == HEADQUARTER_CONTROLLER) {
  52                         // Get bean from CDI directly
  53                         HEADQUARTER_CONTROLLER = CDI.current().select(JobsHeadquarterWebRequestBean.class).get();
  54                 }
  55
  56                 // All accepted, required fields
  57                 final String[] requiredFields = {"companyName"}; //NOI18N
  58
  59                 // Pre-validation (example: not null, not a string, empty string ...)
  60                 super.preValidate(context, component, value, requiredFields, false);
  61
  62                 // Convert name to string (now securely checked in BaseStringValidator)
  63                 final String companyName = (String) value;
  64
  65                 // Default is to check on existing names
  66                 Boolean checkExisting = Boolean.TRUE;
  67
  68                 // Is attribute "allowEmptyRequiredData" set?
  69                 if (component.getAttributes().containsKey("checkExisting")) { //NOI18N
  70                         // Get attribute
  71                         final Object attribute = component.getAttributes().get("checkExisting"); //NOI18N
  72
  73                         // Make sure, it is Boolean as no String is accepted anymore
  74                         if (!(attribute instanceof String)) {
  75                                 // Not valid attribute, please use "true" or "false" (default)
  76                                 throw new IllegalArgumentException("checkExisting must be of type String. Please use \"true\" or \"false\" for f:attribute value."); //NOI18N
  77                         }
  78
  79                         // Securely cast it
  80                         checkExisting = Boolean.parseBoolean((String) attribute);
  81                 }
  82
  83                 // Check if name is already used
  84                 final Boolean nameExists = HEADQUARTER_CONTROLLER.isCompanyNameUsed(companyName);
  85
  86                 // Is the user id valid?
  87                 if ((!nameExists) && (checkExisting)) {
  88                         // Format message
  89                         final String message = MessageFormat.format("No basic data found with comany name {0}.", companyName);
  90
  91                         // Name does not exist
  92                         throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_WARN, message, message)); //NOI18N
  93                 } else if ((nameExists) && (!checkExisting)) {
  94                         // Format message
  95                         final String message = MessageFormat.format("Found basic data with comany name {0}.", companyName);
  96
  97                         // Name already exists
  98                         throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_WARN, message, message)); //NOI18N
  99                 }
 100         }
 101
 102 }