src/java/org/mxchange/addressbook/mailer/model/delivery/AddressbookEmailDeliveryMessageBean.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.mailer.model.delivery;
  18
  19 import java.io.Serializable;
  20 import java.text.MessageFormat;
  21 import java.util.Properties;
  22 import java.util.ResourceBundle;
  23 import javax.annotation.PostConstruct;
  24 import javax.jms.JMSException;
  25 import javax.jms.Message;
  26 import javax.jms.MessageListener;
  27 import javax.jms.ObjectMessage;
  28 import javax.mail.MessagingException;
  29 import org.mxchange.addressbook.database.BaseAddressbookDatabaseBean;
  30 import org.mxchange.jmailee.model.delivery.wrapper.WrapableEmailDelivery;
  31
  32 /**
  33  * A message-driven bean for sending out emails
  34  * <p>
  35  * @author Roland Haeder<roland@mxchange.org>
  36  */
  37 @MessageDriven (activationConfig = {
  38         @ActivationConfigProperty (propertyName = "destinationLookup", propertyValue = "jms/jlandingpage-email-queue"),
  39         @ActivationConfigProperty (propertyName = "destinationType", propertyValue = "javax.jms.Queue")
  40 })
  41 public class AddressbookEmailDeliveryMessageBean extends BaseAddressbookDatabaseBean implements MessageListener {
  42
  43         /**
  44          * Serial number
  45          */
  46         private static final long serialVersionUID = 75_638_176_619_024L;
  47
  48         /**
  49          * Configuration file
  50          */
  51         private final String configFile = "org.mxchange.jmailer.config"; //NOI18N//NOI18N
  52
  53         /**
  54          * Mailer instance
  55          */
  56         private final DeliverableAddressbookEmail mailer;
  57
  58         /**
  59          * Default constructor
  60          */
  61         public AddressbookEmailDeliveryMessageBean () {
  62                 // Init mailer instance
  63                 this.mailer = new AddressbookMailer();
  64         }
  65
  66         /**
  67          * Post-construction
  68          */
  69         @PostConstruct
  70         public void init () {
  71                 // Trace message
  72                 this.getLoggerBeanLocal().logTrace("init: CALLED!"); //NOI18N
  73
  74                 // Try to load bundle
  75                 ResourceBundle bundle = ResourceBundle.getBundle(this.configFile);
  76
  77                 // Debug message
  78                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("init: bundle={0}", bundle)); //NOI18N
  79
  80                 // The bunble should be valid
  81                 if (null == bundle) {
  82                         // Throw NPE
  83                         throw new NullPointerException(MessageFormat.format("bundle is null, maybe file {0} does not exist?", this.configFile)); //NOI18N
  84                 }
  85
  86                 // Init Properties
  87                 Properties properties = new Properties();
  88
  89                 // Is the bundle not empty?
  90                 if (!bundle.keySet().isEmpty()) {
  91                         // Loop through all
  92                         for (final String key : bundle.keySet()) {
  93                                 // Log debug message
  94                                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("init: key={0}", key)); //NOI18N
  95
  96                                 // Get string from bundle and set it in properties
  97                                 properties.put(key, bundle.getString(key));
  98                         }
  99                 }
 100
 101                 // Handle it over to the mailer
 102                 this.mailer.init(properties);
 103
 104                 // Trace message
 105                 this.getLoggerBeanLocal().logTrace("init: EXIT!"); //NOI18N
 106         }
 107
 108         @Override
 109         public void onMessage (final Message message) {
 110                 // Trace message
 111                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("onMessage: message={0} - CALLED!", message)); //NOI18N
 112
 113                 // The parameter should be valid
 114                 if (null == message) {
 115                         // Throw NPE
 116                         throw new NullPointerException("message is null"); //NOI18N
 117                 } else if (!(message instanceof ObjectMessage)) {
 118                         // Not implementing right interface
 119                         throw new IllegalArgumentException(MessageFormat.format("message={0} does not implemented ObjectMessage", message)); //NOI18N
 120                 }
 121
 122                 // Securely cast it
 123                 ObjectMessage objectMessage = (ObjectMessage) message;
 124
 125                 // Init variable
 126                 Serializable serializable;
 127
 128                 try {
 129                         // Get object from message
 130                         serializable = objectMessage.getObject();
 131                 } catch (final JMSException ex) {
 132                         // Log it and don't continue any further
 133                         this.getLoggerBeanLocal().logException(ex);
 134                         return;
 135                 }
 136
 137                 // Debug message
 138                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("onMessage: serializable={0}", serializable)); //NOI18N
 139
 140                 // Okay, is it the right interface?
 141                 if (null == serializable) {
 142                         // Throw NPE
 143                         throw new NullPointerException("serializable is null"); //NOI18N
 144                 } else if (!(serializable instanceof WrapableEmailDelivery)) {
 145                         // Not correct object send
 146                         throw new IllegalArgumentException(MessageFormat.format("serializable={0} does not implement WrapableEmailDelivery", serializable)); //NOI18N
 147                 }
 148
 149                 // Securely cast it
 150                 WrapableEmailDelivery wrapper = (WrapableEmailDelivery) serializable;
 151
 152                 // Is all required set?
 153                 if (wrapper.getLocale() == null) {
 154                         // Throw NPE
 155                         throw new NullPointerException("wrapper.locale is null"); //NOI18N
 156                 } else if (wrapper.getRecipient() == null) {
 157                         // Throw again ...
 158                         throw new NullPointerException("wrapper.recipient is null"); //NOI18N
 159                 } else if (wrapper.getSubjectLine() == null) {
 160                         // ... and again
 161                         throw new NullPointerException("wrapper.subjectLine is null"); //NOI18N
 162                 } else if (wrapper.getSubjectLine().isEmpty()) {
 163                         // Is empty
 164                         throw new IllegalArgumentException("wrapper.subjectLine is empty"); //NOI18N
 165                 } else if (wrapper.getTemplateName() == null) {
 166                         // Throw NPE again
 167                         throw new NullPointerException("wrapper.templateName is null"); //NOI18N
 168                 } else if (wrapper.getTemplateName().isEmpty()) {
 169                         // Is empty
 170                         throw new IllegalArgumentException("wrapper.templateName is empty"); //NOI18N
 171                 }
 172
 173                 try {
 174                         // Send email out
 175                         this.mailer.sendDeliverableMail(wrapper);
 176                 } catch (final MessagingException ex) {
 177                         // Opps, something went wrong
 178                         this.getLoggerBeanLocal().logException(ex);
 179                         return;
 180                 }
 181
 182                 // Trace message
 183                 this.getLoggerBeanLocal().logTrace("onMessage - EXIT!"); //NOI18N
 184         }
 185
 186 }