src/java/org/mxchange/jjobs/converter/business/headquarter/JobsHeadquarterConverter.java

   1 /*
   2  * Copyright (C) 2016 - 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.converter.business.headquarter;
  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.headquarter.HeadquarterNotFoundException;
  26 import org.mxchange.jcontactsbusiness.model.headquarter.Headquarter;
  27 import org.mxchange.jjobs.beans.business.headquarter.list.JobsHeadquarterListWebViewBean;
  28 import org.mxchange.jjobs.beans.business.headquarter.list.JobsHeadquarterListWebViewController;
  29
  30 /**
  31  * Converter for converting company headquarter to and from id number
  32  * <p>
  33  * @author Roland Häder<roland@mxchange.org>
  34  */
  35 @FacesConverter ("HeadquarterConverter")
  36 public class JobsHeadquarterConverter implements Converter<Headquarter> {
  37
  38         /**
  39          * Headquarter backing bean
  40          */
  41         private static JobsHeadquarterListWebViewController HEADQUARTER_LIST_CONTROLLER;
  42
  43         @Override
  44         public Headquarter getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
  45                 // Init instance
  46                 Headquarter headquarter = null;
  47
  48                 try {
  49                         // Try to parse the value as long
  50                         final Long headquarterId = Long.valueOf(submittedValue);
  51
  52                         // Is the instance there?
  53                         if (null == HEADQUARTER_LIST_CONTROLLER) {
  54                                 // Set it now
  55                                 HEADQUARTER_LIST_CONTROLLER = CDI.current().select(JobsHeadquarterListWebViewBean.class).get();
  56                         }
  57
  58                         // Try to get user instance from it
  59                         headquarter = HEADQUARTER_LIST_CONTROLLER.findHeadquarterById(headquarterId);
  60                 } catch (final NumberFormatException ex) {
  61                         // Throw again
  62                         throw new ConverterException(ex);
  63                 } catch (final HeadquarterNotFoundException ex) {
  64                         // Debug message
  65                         // @TODO Not working with JNDI (no remote interface) this.loggerBeanLocal.logDebug(MessageFormat.format("{0}.getAsObject(): Exception: {1} - Returning null ...", this.getClass().getSimpleName(), ex)); //NOI18N
  66                 }
  67
  68                 // Return it
  69                 return headquarter;
  70         }
  71
  72         @Override
  73         public String getAsString (final FacesContext context, final UIComponent component, final Headquarter value) {
  74                 // Is the object null?
  75                 if ((null == value) || (String.valueOf(value).isEmpty())) {
  76                         // Is null
  77                         return ""; //NOI18N
  78                 }
  79
  80                 // Return id number
  81                 return String.valueOf(value.getHeadquarterId());
  82         }
  83
  84 }