src/java/org/mxchange/pizzaapplication/converter/fax/PizzaFaxNumberConverter.java

   1 /*
   2  * Copyright (C) 2017 Roland Häder
   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.pizzaapplication.converter.fax;
  18
  19 import javax.faces.application.FacesMessage;
  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 javax.faces.validator.ValidatorException;
  26 import javax.naming.Context;
  27 import javax.naming.InitialContext;
  28 import javax.naming.NamingException;
  29 import org.mxchange.jphone.exceptions.PhoneEntityNotFoundException;
  30 import org.mxchange.jphone.model.phonenumbers.fax.DialableFaxNumber;
  31 import org.mxchange.jphone.model.phonenumbers.phone.PhoneSessionBeanRemote;
  32
  33 /**
  34  * Converter for fax id <-> valid fax number instance
  35  * <p>
  36  * @author Roland Häder<roland@mxchange.org>
  37  */
  38 @FacesConverter ("FaxNumberConverter")
  39 public class PizzaFaxNumberConverter implements Converter<DialableFaxNumber> {
  40
  41         /**
  42          * Phone EJB
  43          */
  44         private static PhoneSessionBeanRemote PHONE_BEAN;
  45
  46         @Override
  47         public DialableFaxNumber getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
  48                 // Is the instance there?
  49                 if (PHONE_BEAN == null) {
  50                         try {
  51                                 // Not yet, attempt lookup
  52                                 Context initial = new InitialContext();
  53
  54                                 // Lookup EJB
  55                                 PHONE_BEAN = (PhoneSessionBeanRemote) initial.lookup("java:global/jfinancials-ejb/phone!org.mxchange.jphone.phonenumbers.phone.PhoneSessionBeanRemote");
  56                         } catch (final NamingException ex) {
  57                                 // Throw it again
  58                                 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "Cannot lookup EJB", ex.getMessage()), ex);
  59                         }
  60                 }
  61
  62                 // Log message
  63                 // @TODO Not possible here: this.loggerBeanLocal.logTrace(MessageFormat.format("{0}.getAsObject: context={1},component={2},submittedValue={3} - CALLED!", this.getClass().getSimpleName(), context, component, submittedValue)); //NOI18N
  64
  65                 // Is the value null or empty?
  66                 if ((null == submittedValue) || (submittedValue.trim().isEmpty())) {
  67                         // Warning message
  68                         // @TODO Not possible here: this.loggerBeanLocal.logWarning(MessageFormat.format("{0}.getAsObject(): submittedValue is null or empty - EXIT!", this.getClass().getSimpleName())); //NOI18N
  69
  70                         // Return null
  71                         return null;
  72                 }
  73
  74                 // Init instance
  75                 DialableFaxNumber faxNumber = null;
  76
  77                 try {
  78                         // Try to parse the value as long
  79                         Long faxNumberId = Long.valueOf(submittedValue);
  80
  81                         // Log message
  82                         // @TODO Not possible here: this.loggerBeanLocal.logDebug(MessageFormat.format("{0}.getAsObject: faxNumberId={1}", this.getClass().getSimpleName(), faxNumberId)); //NOI18N
  83                         // Try to get mobile instance from it
  84                         faxNumber = PHONE_BEAN.findFaxNumberById(faxNumberId);
  85                 } catch (final NumberFormatException ex) {
  86                         // Throw again
  87                         throw new ConverterException(ex);
  88                 } catch (final PhoneEntityNotFoundException ex) {
  89                         // Debug message
  90                         // @TODO Not possible here: this.loggerBeanLocal.logDebug(MessageFormat.format("{0}.getAsObject(): Exception: {1} - Returning null ...", this.getClass().getSimpleName(), ex)); //NOI18N
  91                 }
  92
  93                 // Log message
  94                 // @TODO Not possible here: this.loggerBeanLocal.logTrace(MessageFormat.format("{0}.getAsObject: faxNumber={1} - EXIT!", this.getClass().getSimpleName(), faxNumber)); //NOI18N
  95                 // Return it
  96                 return faxNumber;
  97         }
  98
  99         @Override
 100         public String getAsString (final FacesContext context, final UIComponent component, final DialableFaxNumber value) {
 101                 // Is the object null?
 102                 if ((null == value) || (String.valueOf(value).isEmpty())) {
 103                         // Is null
 104                         return ""; //NOI18N
 105                 }
 106
 107                 // Return id number
 108                 return String.valueOf(value.getPhoneId());
 109         }
 110
 111 }