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[jjobs-war.git] / src / java / org / mxchange / jjobs / converter / landline / JobsLandLineNumberConverter.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.landline;
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.jjobs.beans.phone.JobsPhoneWebRequestBean;
30 import org.mxchange.jjobs.beans.phone.JobsPhoneWebRequestController;
31 import org.mxchange.jphone.exceptions.phone.PhoneEntityNotFoundException;
32 import org.mxchange.jphone.model.phonenumbers.landline.DialableLandLineNumber;
33
34 /**
35  * Converter for land-line id <-> valid land-line number instance
36  * <p>
37  * @author Roland Häder<roland@mxchange.org>
38  */
39 @FacesConverter ("LandLineNumberConverter")
40 public class JobsLandLineNumberConverter implements Converter<DialableLandLineNumber> {
41
42         /**
43          * Phone EJB
44          */
45         private static JobsPhoneWebRequestController PHONE_CONTROLLER;
46
47         @Override
48         public DialableLandLineNumber getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
49                 // Is the instance there?
50                 if (PHONE_CONTROLLER == null) {
51                         try {
52                                 // Not yet, attempt lookup
53                                 final Context initial = new InitialContext();
54
55                                 // Lookup EJB
56                                 PHONE_CONTROLLER = (JobsPhoneWebRequestController) initial.lookup(String.format("java:module/%s", JobsPhoneWebRequestBean.class.getSimpleName())); //NOI18N
57                         } catch (final NamingException ex) {
58                                 // Throw it again
59                                 throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "Cannot lookup backing bean", ex.getMessage()), ex); //NOI18N
60                         }
61                 }
62
63                 // Is the value null or empty?
64                 if ((null == submittedValue) || (submittedValue.trim().isEmpty())) {
65                         // Warning message
66                         // @TODO Not possible here: this.loggerBeanLocal.logWarning(MessageFormat.format("{0}.getAsObject(): submittedValue is null or empty - EXIT!", this.getClass().getSimpleName())); //NOI18N
67
68                         // Return null
69                         return null;
70                 }
71
72                 // Init instance
73                 DialableLandLineNumber landLineNumber = null;
74
75                 try {
76                         // Try to parse the value as long
77                         final Long landLineNumberId = Long.valueOf(submittedValue);
78
79                         // Try to get mobile instance from it
80                         landLineNumber = PHONE_CONTROLLER.findLandLineNumberById(landLineNumberId);
81                 } catch (final NumberFormatException ex) {
82                         // Throw again
83                         throw new ConverterException(ex);
84                 } catch (final PhoneEntityNotFoundException ex) {
85                         // Debug message
86                         // @TODO Not possible here: this.loggerBeanLocal.logDebug(MessageFormat.format("{0}.getAsObject(): Exception: {1} - Returning null ...", this.getClass().getSimpleName(), ex)); //NOI18N
87                 }
88
89                 // Return it
90                 return landLineNumber;
91         }
92
93         @Override
94         public String getAsString (final FacesContext context, final UIComponent component, final DialableLandLineNumber value) {
95                 // Is the object null?
96                 if ((null == value) || (String.valueOf(value).isEmpty())) {
97                         // Is null
98                         return ""; //NOI18N
99                 }
100
101                 // Return id number
102                 return String.valueOf(value.getPhoneId());
103         }
104
105 }