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

   1 /*
   2  * Copyright (C) 2016, 2017 Roland Häder
   3  *
   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.
   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 General Public License for more details.
  13  *
  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/>.
  16  */
  17 package org.mxchange.addressbook.mailer.model.delivery;
  18
  19 import java.text.MessageFormat;
  20 import java.util.Map;
  21 import javax.mail.MessagingException;
  22 import javax.mail.Session;
  23 import javax.naming.Context;
  24 import javax.naming.InitialContext;
  25 import javax.naming.NamingException;
  26 import org.apache.velocity.Template;
  27 import org.apache.velocity.VelocityContext;
  28 import org.mxchange.jmailee.model.delivery.BaseMailer;
  29 import org.mxchange.jmailee.model.delivery.wrapper.WrapableEmailDelivery;
  30
  31 /**
  32  * A mailer for JJobs project
  33  * <p>
  34  * @author Roland Häder<roland@mxchange.org>
  35  */
  36 public class AddressbookMailer extends BaseMailer implements DeliverableAddressbookEmail {
  37
  38         /**
  39          * Serial number
  40          */
  41         private static final long serialVersionUID = 17_857_816_596_030_918L;
  42
  43         /**
  44          * Email session
  45          */
  46         private final Session mailSession;
  47
  48         /**
  49          * Default constructor
  50          * <p>
  51          * @throws javax.naming.NamingException If the JNDI name is not found
  52          */
  53         public AddressbookMailer () throws NamingException {
  54                 // Get initial context
  55                 Context context = new InitialContext();
  56
  57                 // Try to lookup
  58                 this.mailSession = (Session) context.lookup("java:global/jfinancials-mailer/smtpSession"); //NOI18N
  59         }
  60
  61         @Override
  62         public void sendDeliverableMail (final WrapableEmailDelivery emailWrapper) throws MessagingException {
  63                 // Log trace message
  64                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("sendDeliverableMail: emailWrapper={0} - CALLED!", emailWrapper)); //NOI18N
  65
  66                 // The parameter must be valid
  67                 if (null == emailWrapper) {
  68                         // Throw NPE
  69                         throw new NullPointerException("emailWrapper is null"); //NOI18N
  70                 } else if (emailWrapper.getRecipientAddress() == null) {
  71                         // Throw NPE again
  72                         throw new NullPointerException("emailWrapper.recipientAddress is null"); //NOI18N
  73                 } else if (emailWrapper.getSubjectLine() == null) {
  74                         // ... and again
  75                         throw new NullPointerException("emailWrapper.subjectLine is null"); //NOI18N
  76                 } else if (emailWrapper.getSubjectLine().isEmpty()) {
  77                         // Is empty
  78                         throw new IllegalArgumentException("emailWrapper.subjectLine is empty"); //NOI18N
  79                 } else if (emailWrapper.getTemplateName() == null) {
  80                         // ... and again
  81                         throw new NullPointerException("emailWrapper.templateName is null"); //NOI18N
  82                 } else if (emailWrapper.getTemplateName().isEmpty()) {
  83                         // Is empty
  84                         throw new IllegalArgumentException("emailWrapper.templateName is empty"); //NOI18N
  85                 } else if (emailWrapper.getLocale() == null) {
  86                         // Throw NPE again
  87                         throw new NullPointerException("emailWrapper.locale is null"); //NOI18N
  88                 } else if (!emailWrapper.getTemplateVariables().containsKey("baseUrl")) { //NOI18N
  89                         // Not set
  90                         throw new IllegalArgumentException("emailWrapper.templateVariables.baseUrl is not set"); //NOI18N
  91                 }
  92
  93                 // All required data is set, load template
  94                 Template template = this.getTemplateEngine().getTemplate(String.format("templates/%s/%s.vm", emailWrapper.getLocale().getLanguage().toLowerCase(), emailWrapper.getTemplateName())); //NOI18N
  95
  96                 // Init context
  97                 VelocityContext context = new VelocityContext();
  98
  99                 // Are some variables set?
 100                 if ((emailWrapper.getTemplateVariables() != null) && (!emailWrapper.getTemplateVariables().isEmpty())) {
 101                         // Add all variables
 102                         for (Map.Entry<Object, Object> entry : emailWrapper.getTemplateVariables().entrySet()) {
 103                                 // Get key/value
 104                                 String key = (String) entry.getKey();
 105                                 String value = (String) entry.getValue();
 106
 107                                 // Both should not be empty
 108                                 if (null == key) {
 109                                         // Throw NPE
 110                                         throw new NullPointerException("key is null"); //NOI18N
 111                                 } else if (null == value) {
 112                                         // Throw NPE again
 113                                         throw new NullPointerException(MessageFormat.format("value for key={0} is null", key)); //NOI18N
 114                                 }
 115
 116                                 // Set it
 117                                 context.put(key, value);
 118                         }
 119                 }
 120
 121                 // Send the email
 122                 this.sendMailTemplate(template, context, emailWrapper, this.mailSession);
 123
 124                 // Trace message
 125                 this.getLoggerBeanLocal().logTrace("sendDeliverableMail: EXIT!"); //NOI18N
 126         }
 127
 128 }