src/java/org/mxchange/jjobs/converter/fax/JobsFaxNumberConverter.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.jjobs.converter.fax;
  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.fax.DialableFaxNumber;
  31 import org.mxchange.jphone.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 (value = "FaxNumberConverter")
  39 public class JobsFaxNumberConverter implements Converter {
  40
  41         /**
  42          * Phone EJB
  43          */
  44         private static PhoneSessionBeanRemote PHONE_BEAN;
  45
  46         /**
  47          * Default constructor
  48          */
  49         public JobsFaxNumberConverter () {
  50         }
  51
  52         @Override
  53         public Object getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
  54                 // Log message
  55                 // @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
  56
  57                 // Is the value null or empty?
  58                 if ((null == submittedValue) || (submittedValue.trim().isEmpty())) {
  59                         // Warning message
  60                         // @TODO Not possible here: this.loggerBeanLocal.logWarning(MessageFormat.format("{0}.getAsObject(): submittedValue is null or empty - EXIT!", this.getClass().getSimpleName())); //NOI18N
  61
  62                         // Return null
  63                         return null;
  64                 }
  65
  66                 // Is the bean there?
  67                 // @TODO Requires this synchronization or is it (sync) confusing the container?
  68                 if (null == JobsFaxNumberConverter.PHONE_BEAN) {
  69                         // Try to get it
  70                         try {
  71                                 // Get initial context
  72                                 Context initialContext = new InitialContext();
  73
  74                                 // ... and user controller
  75                                 JobsFaxNumberConverter.PHONE_BEAN = (PhoneSessionBeanRemote) initialContext.lookup("java:global/jjobs-ejb/phone!org.mxchange.jphone.phonenumbers.phone.PhoneSessionBeanRemote"); //NOI18N
  76                         } catch (final NamingException ex) {
  77                                 // Continue to throw it
  78                                 throw new RuntimeException(MessageFormat.format("context.lookup() failed: {0}", ex.getMessage()), ex); //NOI18N
  79                         }
  80                 }
  81
  82                 // Init instance
  83                 DialableFaxNumber faxNumber = null;
  84
  85                 try {
  86                         // Try to parse the value as long
  87                         Long faxNumberId = Long.valueOf(submittedValue);
  88
  89                         // Log message
  90                         // @TODO Not possible here: this.loggerBeanLocal.logDebug(MessageFormat.format("{0}.getAsObject: faxNumberId={1}", this.getClass().getSimpleName(), faxNumberId)); //NOI18N
  91                         // Try to get mobile instance from it
  92                         faxNumber = JobsFaxNumberConverter.PHONE_BEAN.findFaxNumberById(faxNumberId);
  93                 } catch (final NumberFormatException ex) {
  94                         // Throw again
  95                         throw new ConverterException(ex);
  96                 } catch (final PhoneEntityNotFoundException ex) {
  97                         // Debug message
  98                         // @TODO Not possible here: this.loggerBeanLocal.logDebug(MessageFormat.format("{0}.getAsObject(): Exception: {1} - Returning null ...", this.getClass().getSimpleName(), ex)); //NOI18N
  99                 }
 100
 101                 // Log message
 102                 // @TODO Not possible here: this.loggerBeanLocal.logTrace(MessageFormat.format("{0}.getAsObject: faxNumber={1} - EXIT!", this.getClass().getSimpleName(), faxNumber)); //NOI18N
 103                 // Return it
 104                 return faxNumber;
 105         }
 106
 107         @Override
 108         public String getAsString (final FacesContext context, final UIComponent component, final Object value) {
 109                 // Is the object null?
 110                 if ((null == value) || (String.valueOf(value).isEmpty())) {
 111                         // Is null
 112                         return ""; //NOI18N
 113                 } else if (!(value instanceof DialableNumber)) {
 114                         // Not same interface
 115                         throw new IllegalArgumentException(MessageFormat.format("value[]={0} does not implement DialableNumber.", value.getClass().getSimpleName())); //NOI18N
 116                 }
 117
 118                 // Return id number
 119                 return String.valueOf(((DialableNumber) value).getPhoneId());
 120         }
 121
 122 }