src/java/org/mxchange/addressbook/beans/resendlink/AddressbookResendLinkSessionBean.java

   1 /*
   2  * Copyright (C) 2016 Roland Haeder
   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.addressbook.beans.resendlink;
  18
  19 import de.chotime.landingpage.beans.resendlink.ResendLinkSessionBeanRemote;
  20 import java.text.MessageFormat;
  21 import java.util.Locale;
  22 import javax.annotation.PostConstruct;
  23 import javax.ejb.Stateless;
  24 import javax.faces.FacesException;
  25 import javax.jms.Connection;
  26 import javax.jms.JMSException;
  27 import javax.jms.MessageProducer;
  28 import javax.jms.ObjectMessage;
  29 import javax.jms.Queue;
  30 import javax.jms.QueueConnectionFactory;
  31 import javax.jms.Session;
  32 import javax.naming.Context;
  33 import javax.naming.InitialContext;
  34 import javax.naming.NamingException;
  35 import org.mxchange.addressbook.database.BaseAddressbookDatabaseBean;
  36 import org.mxchange.jusercore.model.user.User;
  37 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
  38
  39 /**
  40  * A session-based EJB for resending confirmation links
  41  * <p>
  42  * @author Roland Haeder<roland@mxchange.org>
  43  */
  44 @Stateless (name = "resendLink", description = "A bean resending confirmation links")
  45 public class AddressbookResendLinkSessionBean extends BaseAddressbookDatabaseBean implements ResendLinkSessionBeanRemote {
  46
  47         /**
  48          * Serial number
  49          */
  50         private static final long serialVersionUID = 71_546_726_857_195_360L;
  51
  52         /**
  53          * Connection
  54          */
  55         private Connection connection;
  56
  57         /**
  58          * Object message
  59          */
  60         private ObjectMessage message;
  61
  62         /**
  63          * Message producer
  64          */
  65         private MessageProducer messageProducer;
  66
  67         /**
  68          * Mailer message queue
  69          */
  70         private Queue queue;
  71
  72         /**
  73          * Session instance
  74          */
  75         private Session session;
  76
  77         /**
  78          * Initialization of this bean
  79          */
  80         @PostConstruct
  81         public void init () {
  82                 // Trace message
  83                 this.getLoggerBeanLocal().logTrace("init: CALLED!"); //NOI18N
  84
  85                 try {
  86                         // Get initial context
  87                         Context context = new InitialContext();
  88
  89                         // Get factory from JMS resource
  90                         QueueConnectionFactory connectionFactory = (QueueConnectionFactory) context.lookup("jms/jlandingpage-queue-factory"); //NOI18N
  91
  92                         // Lookup queue
  93                         this.queue = (Queue) context.lookup("jms/jlandingpage-email-queue"); //NOI18N
  94
  95                         // Create connection
  96                         this.connection = connectionFactory.createConnection();
  97
  98                         // Init session instance
  99                         this.session = this.connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
 100
 101                         // And message producer
 102                         this.messageProducer = this.session.createProducer(this.queue);
 103
 104                         // Finally the message instance itself
 105                         this.message = this.session.createObjectMessage();
 106                 } catch (final NamingException | JMSException e) {
 107                         // Continued to throw
 108                         throw new FacesException(e);
 109                 }
 110         }
 111
 112         @Override
 113         public String resendConfirmationLink (final User user, final Locale locale) {
 114                 // Log trace message
 115                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("resendConfirmationLink: user={0} - CALLED!", user)); //NOI18N
 116
 117                 // The user instance should be valid
 118                 if (null == user) {
 119                         // Throw NPE
 120                         throw new NullPointerException("user is null"); //NOI18N
 121                 } else if (user.getUserId() == null) {
 122                         // Throw NPE again
 123                         throw new NullPointerException("user.userId is null"); //NOI18N
 124                 } else if (user.getUserId() < 1) {
 125                         // Invalid id number
 126                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is not valid", user.getUserId())); //NOI18N
 127                 } else if (user.getUserConfirmKey() == null) {
 128                         // Throw NPE again
 129                         throw new NullPointerException("this.userConfirmKey is null"); //NOI18N
 130                 } else if (user.getUserAccountStatus() != UserAccountStatus.UNCONFIRMED) {
 131                         // User account status is not UNCONFIRMED
 132                         throw new IllegalStateException(MessageFormat.format("Account status from user.userId={0} is not UNCONFIRMED:{1}", user.getUserId(), user.getUserAccountStatus())); //NOI18N
 133                 } else if (null == locale) {
 134                         // Locale should be set
 135                         throw new NullPointerException("locale is null"); //NOI18N
 136                 }
 137
 138                 // @TODO Unfinished!
 139                 // All fine
 140                 return "resend_done"; //NOI18N
 141         }
 142
 143 }