src/java/org/mxchange/addressbook/mailer/model/delivery/AddressbookEmailDeliveryMessageBean.java

   1 /*
   2  * Copyright (C) 2016 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.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.ejb.ActivationConfigProperty;
  25 import javax.ejb.MessageDriven;
  26 import javax.jms.JMSException;
  27 import javax.jms.Message;
  28 import javax.jms.MessageListener;
  29 import javax.jms.ObjectMessage;
  30 import javax.mail.MessagingException;
  31 import org.mxchange.addressbook.database.BaseAddressbookDatabaseBean;
  32 import org.mxchange.jmailee.model.delivery.wrapper.WrapableEmailDelivery;
  33
  34 /**
  35  * A message-driven bean for sending out emails
  36  * <p>
  37  * @author Roland Häder<roland@mxchange.org>
  38  */
  39 @MessageDriven (activationConfig = {
  40         @ActivationConfigProperty (propertyName = "destinationLookup", propertyValue = "jms/addressbook-email-queue"),
  41         @ActivationConfigProperty (propertyName = "destinationType", propertyValue = "javax.jms.Queue")
  42 })
  43 public class AddressbookEmailDeliveryMessageBean extends BaseAddressbookDatabaseBean implements MessageListener {
  44
  45         /**
  46          * Serial number
  47          */
  48         private static final long serialVersionUID = 75_638_176_619_024L;
  49
  50         /**
  51          * Configuration file
  52          */
  53         private final String configFile = "org.mxchange.jmailer.config"; //NOI18N//NOI18N
  54
  55         /**
  56          * Mailer instance
  57          */
  58         private final DeliverableAddressbookEmail mailer;
  59
  60         /**
  61          * Default constructor
  62          */
  63         public AddressbookEmailDeliveryMessageBean () {
  64                 // Init mailer instance
  65                 this.mailer = new AddressbookMailer();
  66         }
  67
  68         /**
  69          * Post-construction
  70          */
  71         @PostConstruct
  72         public void init () {
  73                 // Trace message
  74                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.init: CALLED!", this.getClass().getSimpleName())); //NOI18N
  75
  76                 // Try to load bundle
  77                 ResourceBundle bundle = ResourceBundle.getBundle(this.configFile);
  78
  79                 // Debug message
  80                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("{0}.init: bundle={1}", this.getClass().getSimpleName(), bundle)); //NOI18N
  81
  82                 // The bunble should be valid
  83                 if (null == bundle) {
  84                         // Throw NPE
  85                         throw new NullPointerException(MessageFormat.format("bundle is null, maybe file {0} does not exist?", this.configFile)); //NOI18N
  86                 }
  87
  88                 // Init Properties
  89                 Properties properties = new Properties();
  90
  91                 // Is the bundle not empty?
  92                 if (!bundle.keySet().isEmpty()) {
  93                         // Loop through all
  94                         for (final String key : bundle.keySet()) {
  95                                 // Log debug message
  96                                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("{0}.init: key={1}", this.getClass().getSimpleName(), key)); //NOI18N
  97
  98                                 // Get string from bundle and set it in properties
  99                                 properties.put(key, bundle.getString(key));
 100                         }
 101                 }
 102
 103                 // Handle it over to the mailer
 104                 this.mailer.init(properties);
 105
 106                 // Trace message
 107                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.init: EXIT!", this.getClass().getSimpleName())); //NOI18N
 108         }
 109
 110         @Override
 111         public void onMessage (final Message message) {
 112                 // Trace message
 113                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.onMessage: message={1} - CALLED!", this.getClass().getSimpleName(), message)); //NOI18N
 114
 115                 // The parameter should be valid
 116                 if (null == message) {
 117                         // Throw NPE
 118                         throw new NullPointerException("message is null"); //NOI18N
 119                 } else if (!(message instanceof ObjectMessage)) {
 120                         // Not implementing right interface
 121                         throw new IllegalArgumentException(MessageFormat.format("message={0} does not implemented ObjectMessage", message)); //NOI18N
 122                 }
 123
 124                 // Securely cast it
 125                 ObjectMessage objectMessage = (ObjectMessage) message;
 126
 127                 // Init variable
 128                 Serializable serializable;
 129
 130                 try {
 131                         // Get object from message
 132                         serializable = objectMessage.getObject();
 133                 } catch (final JMSException ex) {
 134                         // Log it and don't continue any further
 135                         this.getLoggerBeanLocal().logException(ex);
 136                         return;
 137                 }
 138
 139                 // Debug message
 140                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("{0}.onMessage: serializable={1}", this.getClass().getSimpleName(), serializable)); //NOI18N
 141
 142                 // Okay, is it the right interface?
 143                 if (null == serializable) {
 144                         // Throw NPE
 145                         throw new NullPointerException("serializable is null"); //NOI18N
 146                 } else if (!(serializable instanceof WrapableEmailDelivery)) {
 147                         // Not correct object send
 148                         throw new IllegalArgumentException(MessageFormat.format("serializable={0} does not implement WrapableEmailDelivery", serializable)); //NOI18N
 149                 }
 150
 151                 // Securely cast it
 152                 WrapableEmailDelivery wrapper = (WrapableEmailDelivery) serializable;
 153
 154                 // Is all required set?
 155                 if (wrapper.getLocale() == null) {
 156                         // Throw NPE
 157                         throw new NullPointerException("wrapper.locale is null"); //NOI18N
 158                 } else if (wrapper.getRecipient() == null) {
 159                         // Throw again ...
 160                         throw new NullPointerException("wrapper.recipient is null"); //NOI18N
 161                 } else if (wrapper.getSubjectLine() == null) {
 162                         // ... and again
 163                         throw new NullPointerException("wrapper.subjectLine is null"); //NOI18N
 164                 } else if (wrapper.getSubjectLine().isEmpty()) {
 165                         // Is empty
 166                         throw new IllegalArgumentException("wrapper.subjectLine is empty"); //NOI18N
 167                 } else if (wrapper.getTemplateName() == null) {
 168                         // Throw NPE again
 169                         throw new NullPointerException("wrapper.templateName is null"); //NOI18N
 170                 } else if (wrapper.getTemplateName().isEmpty()) {
 171                         // Is empty
 172                         throw new IllegalArgumentException("wrapper.templateName is empty"); //NOI18N
 173                 }
 174
 175                 try {
 176                         // Send email out
 177                         this.mailer.sendDeliverableMail(wrapper);
 178                 } catch (final MessagingException ex) {
 179                         // Opps, something went wrong
 180                         this.getLoggerBeanLocal().logException(ex);
 181                         return;
 182                 }
 183
 184                 // Trace message
 185                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.onMessage - EXIT!", this.getClass().getSimpleName())); //NOI18N
 186         }
 187
 188 }