src/java/org/mxchange/jjobs/converter/business/department/JobsDepartmentConverter.java

   1 /*
   2  * Copyright (C) 2016 - 2018 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.converter.business.department;
  18
  19 import javax.enterprise.inject.spi.CDI;
  20 import javax.faces.component.UIComponent;
  21 import javax.faces.context.FacesContext;
  22 import javax.faces.convert.Converter;
  23 import javax.faces.convert.ConverterException;
  24 import javax.faces.convert.FacesConverter;
  25 import org.mxchange.jcontactsbusiness.exceptions.department.DepartmentNotFoundException;
  26 import org.mxchange.jcontactsbusiness.model.department.Department;
  27 import org.mxchange.jjobs.beans.business.department.JobsDepartmentWebRequestBean;
  28 import org.mxchange.jjobs.beans.business.department.JobsDepartmentWebRequestController;
  29
  30 /**
  31  * Converter for company department id <-> instance
  32  * <p>
  33  * @author Roland Häder<roland@mxchange.org>
  34  */
  35 @FacesConverter ("DepartmentConverter")
  36 public class JobsDepartmentConverter implements Converter<Department> {
  37
  38         /**
  39          * Company department EJB
  40          */
  41         private static JobsDepartmentWebRequestController DEPARTMENT_CONTROLLER;
  42
  43         @Override
  44         public Department getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
  45                 // Is the instance there?
  46                 if (null == DEPARTMENT_CONTROLLER) {
  47                         // Get bean from CDI directly
  48                         DEPARTMENT_CONTROLLER = CDI.current().select(JobsDepartmentWebRequestBean.class).get();
  49                 }
  50
  51                 // Is the value null or empty?
  52                 if ((null == submittedValue) || (submittedValue.trim().isEmpty())) {
  53                         // Warning message
  54                         // @TODO Not working with JNDI (no remote interface) this.loggerBeanLocal.logWarning(MessageFormat.format("{0}.getAsObject(): submittedValue is null or empty - EXIT!", this.getClass().getSimpleName())); //NOI18N
  55
  56                         // Return null
  57                         return null;
  58                 }
  59
  60                 // Init instance
  61                 Department companyDepartment = null;
  62
  63                 try {
  64                         // Try to parse the value as long
  65                         final Long departmentId = Long.valueOf(submittedValue);
  66
  67                         // Try to get user instance from it
  68                         companyDepartment = DEPARTMENT_CONTROLLER.findDepartmentById(departmentId);
  69                 } catch (final NumberFormatException ex) {
  70                         // Throw again
  71                         throw new ConverterException(ex);
  72                 } catch (final DepartmentNotFoundException ex) {
  73                         // Debug message
  74                         // @TODO Not working with JNDI (no remote interface) this.loggerBeanLocal.logDebug(MessageFormat.format("{0}.getAsObject(): Exception: {1} - Returning null ...", this.getClass().getSimpleName(), ex)); //NOI18N
  75                 }
  76
  77                 // Return it
  78                 return companyDepartment;
  79         }
  80
  81         @Override
  82         public String getAsString (final FacesContext context, final UIComponent component, final Department value) {
  83                 // Is the object null?
  84                 if ((null == value) || (String.valueOf(value).isEmpty())) {
  85                         // Is null
  86                         return ""; //NOI18N
  87                 }
  88
  89                 // Return id number
  90                 return String.valueOf(value.getDepartmentId());
  91         }
  92
  93 }