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