2 * Copyright (C) 2016 Roland Haeder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
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 General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.addressbook.converter.user;
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.addressbook.beans.user.UserWebSessionController;
29 import org.mxchange.jcoreeelogger.beans.local.logger.Log;
30 import org.mxchange.jcoreeelogger.beans.local.logger.LoggerBeanLocal;
31 import org.mxchange.jusercore.exceptions.UserNotFoundException;
32 import org.mxchange.jusercore.model.user.User;
35 * Converter for user id <-> valid user instance
37 * @author Roland Haeder<roland@mxchange.org>
39 @FacesConverter (value = "UserConverter")
40 public class UserConverter implements Converter {
46 private LoggerBeanLocal loggerBeanLocal;
51 private UserWebSessionController userController;
54 * Initialization of this converter
56 public UserConverter () {
59 // Get initial context
60 Context context = new InitialContext();
63 this.loggerBeanLocal = (LoggerBeanLocal) context.lookup("java:global/jcore-logger-ejb/logger!org.mxchange.jcoreeelogger.beans.local.logger.LoggerBeanLocal"); //NOI18N
65 // ... and user controller
66 this.userController = (UserWebSessionController) context.lookup("java:global/juser-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote"); //NOI18N
67 } catch (final NamingException ex) {
68 // Continue to throw it
69 throw new RuntimeException("context.lookup() failed.", ex); //NOI18N
74 public Object getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
76 this.loggerBeanLocal.logTrace(MessageFormat.format("getAsObject: context={0},component={1},submittedValue={2} - CALLED!", context, component, submittedValue)); //NOI18N
78 // Is the value null or empty?
79 if ((null == submittedValue) || (submittedValue.trim().isEmpty())) {
81 this.loggerBeanLocal.logTrace("getAsObject: submittedValue is null or empty - EXIT!"); //NOI18N
91 // Try to parse the value as long
92 Long userId = Long.valueOf(submittedValue);
95 this.loggerBeanLocal.logDebug(MessageFormat.format("getAsObject: userId{0}", userId));
97 // Try to get user instance from it
98 user = this.userController.lookupUserById(userId);
101 this.loggerBeanLocal.logDebug(MessageFormat.format("getAsObject: user={0}", user));
102 } catch (final NumberFormatException ex) {
104 throw new ConverterException(ex);
105 } catch (final UserNotFoundException ex) {
107 this.loggerBeanLocal.logDebug(MessageFormat.format("getAsObject: Exception: {0} - Returning null ...", ex));
114 this.loggerBeanLocal.logTrace(MessageFormat.format("getAsObject: user={0} - EXIT!", user));
121 public String getAsString (final FacesContext context, final UIComponent component, final Object value) {
122 // Is the object null?
123 if ((null == value) || ((String.valueOf(value)).isEmpty())) {
126 } else if (!(value instanceof User)) {
127 // Not same interface
128 throw new IllegalArgumentException(MessageFormat.format("value {0} does not implement User.", value)); //NOI18N
131 // Return category id
132 return String.valueOf(((User) value).getUserId());