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[pizzaservice-war.git] / src / java / org / mxchange / pizzaapplication / converter / business / headquarters / PizzaCompanyHeadquartersConverter.java
1 /*
2  * Copyright (C) 2016 - 2020 Free Software Foundation
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.business.headquarters;
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.jcontactsbusiness.exceptions.headquarters.CompanyHeadquartersNotFoundException;
30 import org.mxchange.jcontactsbusiness.model.headquarters.CompanyHeadquartersSessionBeanRemote;
31 import org.mxchange.jcontactsbusiness.model.headquarters.HeadquartersData;
32
33 /**
34  * Converter for converting company headquarters to and from id number
35  * <p>
36  * @author Roland Häder<roland@mxchange.org>
37  */
38 @FacesConverter ("CompanyHeadquartersConverter")
39 public class PizzaCompanyHeadquartersConverter implements Converter<HeadquartersData> {
40
41         /**
42          * CompanyEmployee EJB
43          */
44         private static CompanyHeadquartersSessionBeanRemote COMPANY_HEADQUARTERS_BEAN;
45
46         @Override
47         public HeadquartersData getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
48                 // Is the instance there?
49                 if (COMPANY_HEADQUARTERS_BEAN == null) {
50                         try {
51                                 // Not yet, attempt lookup
52                                 final Context initial = new InitialContext();
53
54                                 // Lookup EJB
55                                 COMPANY_HEADQUARTERS_BEAN = (CompanyHeadquartersSessionBeanRemote) initial.lookup("java:global/pizzaservice-ejb/companyEmployee!org.mxchange.jcontactsbusiness.model.headquarters.CompanyHeadquartersSessionBeanRemote");
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                 // Is the value null or empty?
63                 if ((null == submittedValue) || (submittedValue.trim().isEmpty())) {
64                         // Warning message
65                         // @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
66
67                         // Return null
68                         return null;
69                 }
70
71                 // Init instance
72                 HeadquartersData companyHeadquarters = null;
73
74                 try {
75                         // Try to parse the value as long
76                         final Long headquartersId = Long.valueOf(submittedValue);
77
78                         // Try to get user instance from it
79                         companyHeadquarters = COMPANY_HEADQUARTERS_BEAN.findCompanyHeadquartersById(headquartersId);
80                 } catch (final NumberFormatException ex) {
81                         // Throw again
82                         throw new ConverterException(ex);
83                 } catch (final CompanyHeadquartersNotFoundException ex) {
84                         // Debug message
85                         // @TODO Not working with JNDI (no remote interface) this.loggerBeanLocal.logDebug(MessageFormat.format("{0}.getAsObject(): Exception: {1} - Returning null ...", this.getClass().getSimpleName(), ex)); //NOI18N
86                 }
87
88                 // Return it
89                 return companyHeadquarters;
90         }
91
92         @Override
93         public String getAsString (final FacesContext context, final UIComponent component, final HeadquartersData value) {
94                 // Is the object null?
95                 if ((null == value) || (String.valueOf(value).isEmpty())) {
96                         // Is null
97                         return ""; //NOI18N
98                 }
99
100                 // Return id number
101                 return String.valueOf(value.getHeadquartersId());
102         }
103
104 }