src/java/org/mxchange/pizzaapplication/converter/mobile/PizzaMobileNumberConverter.java

   1 /*
   2  * Copyright (C) 2016, 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.mobile;
  18
  19 import java.text.MessageFormat;
  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.naming.Context;
  26 import javax.naming.InitialContext;
  27 import javax.naming.NamingException;
  28 import org.mxchange.jphone.exceptions.PhoneEntityNotFoundException;
  29 import org.mxchange.jphone.phonenumbers.DialableNumber;
  30 import org.mxchange.jphone.phonenumbers.mobile.DialableMobileNumber;
  31 import org.mxchange.jphone.phonenumbers.phone.PhoneSessionBeanRemote;
  32
  33 /**
  34  * Converter for mobile id <-> valid mobile instance
  35  * <p>
  36  * @author Roland Häder<roland@mxchange.org>
  37  */
  38 @FacesConverter (value = "CellphoneConverter")
  39 public class PizzaMobileNumberConverter implements Converter {
  40
  41         /**
  42          * Phone EJB
  43          */
  44         private static PhoneSessionBeanRemote PHONE_BEAN;
  45
  46         /**
  47          * Initialization of this converter
  48          */
  49         public PizzaMobileNumberConverter () {
  50         }
  51
  52         @Override
  53         public Object getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
  54                 // Is the value null or empty?
  55                 if ((null == submittedValue) || (submittedValue.trim().isEmpty())) {
  56                         // Warning message
  57                         // @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
  58
  59                         // Return null
  60                         return null;
  61                 }
  62
  63                 // Is the bean there?
  64                 // @TODO Requires this synchronization or is it (sync) confusing the container?
  65                 if (null == PizzaMobileNumberConverter.PHONE_BEAN) {
  66                         // Try to get it
  67                         try {
  68                                 // Get initial context
  69                                 Context initialContext = new InitialContext();
  70
  71                                 // ... and user controller
  72                                 PizzaMobileNumberConverter.PHONE_BEAN = (PhoneSessionBeanRemote) initialContext.lookup("java:global/pizzaapplication-ejb/phone!org.mxchange.jphone.phonenumbers.phone.PhoneSessionBeanRemote"); //NOI18N
  73                         } catch (final NamingException ex) {
  74                                 // Continue to throw it
  75                                 throw new ConverterException(MessageFormat.format("initialContext.lookup() failed: {0}", ex.getMessage()), ex); //NOI18N
  76                         }
  77                 }
  78
  79                 // Init instance
  80                 DialableMobileNumber mobileNumber = null;
  81
  82                 try {
  83                         // Try to parse the value as long
  84                         Long mobileId = Long.valueOf(submittedValue);
  85
  86                         // Debug message
  87                         // NOISY-DEBUG: this.loggerBeanLocal.logDebug(MessageFormat.format("getAsObject: userId{0}", userId)); //NOI18N
  88
  89                         // Try to get mobile instance from it
  90                         mobileNumber = PizzaMobileNumberConverter.PHONE_BEAN.findMobileNumberById(mobileId);
  91                 } catch (final NumberFormatException ex) {
  92                         // Throw again
  93                         throw new ConverterException(ex);
  94                 } catch (final PhoneEntityNotFoundException ex) {
  95                         // Debug message
  96                         // @TODO Not working with JNDI (no remote interface) this.loggerBeanLocal.logDebug(MessageFormat.format("{0}.getAsObject(): Exception: {1} - Returning null ...", this.getClass().getSimpleName(), ex)); //NOI18N
  97                 }
  98
  99                 // Return it
 100                 return mobileNumber;
 101         }
 102
 103         @Override
 104         public String getAsString (final FacesContext context, final UIComponent component, final Object value) {
 105                 // Is the object null?
 106                 if ((null == value) || ((String.valueOf(value)).isEmpty())) {
 107                         // Is null
 108                         return ""; //NOI18N
 109                 } else if (!(value instanceof DialableNumber)) {
 110                         // Not same interface
 111                         throw new IllegalArgumentException(MessageFormat.format("value {0} does not implement DialableNumber.", value)); //NOI18N
 112                 }
 113
 114                 // Return category id
 115                 return String.valueOf(((DialableNumber) value).getPhoneId());
 116         }
 117
 118 }