src/main/java/net/pterodactylus/rhynodge/actions/EmailAction.java

   1 /*
   2  * Rhynodge - EmailAction.java - Copyright © 2013 David Roden
   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
  18 package net.pterodactylus.rhynodge.actions;
  19
  20 import static java.lang.System.getProperties;
  21 import static javax.mail.Session.getInstance;
  22
  23 import java.util.Properties;
  24
  25 import javax.mail.Message.RecipientType;
  26 import javax.mail.MessagingException;
  27 import javax.mail.Session;
  28 import javax.mail.Transport;
  29 import javax.mail.URLName;
  30 import javax.mail.internet.InternetAddress;
  31 import javax.mail.internet.MimeBodyPart;
  32 import javax.mail.internet.MimeMessage;
  33 import javax.mail.internet.MimeMultipart;
  34
  35 import net.pterodactylus.rhynodge.Action;
  36 import net.pterodactylus.rhynodge.output.Output;
  37
  38 import com.sun.mail.smtp.SMTPTransport;
  39
  40 /**
  41  * {@link Action} implementation that sends an email containing the triggering
  42  * object to an email address.
  43  *
  44  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  45  */
  46 public class EmailAction implements Action {
  47
  48         /** The email address of the sender. */
  49         private final String sender;
  50
  51         /** The email address of the recipient. */
  52         private final String recipient;
  53
  54         private final Transport transport;
  55         private final Session session;
  56
  57         /**
  58          * Creates a new email action.
  59          *
  60          * @param hostname
  61          *            The hostname of the SMTP server
  62          * @param sender
  63          *            The email address of the sender
  64          * @param recipient
  65          *            The email address of the recipient
  66          */
  67         public EmailAction(String hostname, String sender, String recipient) {
  68                 this.sender = sender;
  69                 this.recipient = recipient;
  70                 Properties properties = getProperties();
  71                 properties.put("mail.smtp.host", hostname);
  72                 session = getInstance(properties);
  73                 transport = new SMTPTransport(session, new URLName("smtp", hostname, 25, null, "", ""));
  74         }
  75
  76         //
  77         // ACTION METHODS
  78         //
  79
  80         /**
  81          * {@inheritDoc}
  82          */
  83         @Override
  84         public void execute(Output output) {
  85                 MimeMessage message = new MimeMessage(session);
  86                 try {
  87                         /* create message. */
  88                         message.setFrom(new InternetAddress(sender));
  89                         message.setRecipient(RecipientType.TO, new InternetAddress(recipient));
  90                         message.setSubject(output.summary(), "UTF-8");
  91
  92                         /* create text and html parts. */
  93                         MimeMultipart multipart = new MimeMultipart();
  94                         multipart.setSubType("alternative");
  95                         MimeBodyPart textPart = new MimeBodyPart();
  96                         textPart.setContent(output.text("text/plain", -1), "text/plain;charset=utf-8");
  97                         MimeBodyPart htmlPart = new MimeBodyPart();
  98                         htmlPart.setContent(output.text("text/html", -1), "text/html;charset=utf-8");
  99                         multipart.addBodyPart(textPart);
 100                         multipart.addBodyPart(htmlPart);
 101                         message.setContent(multipart);
 102
 103                         transport.sendMessage(message, message.getAllRecipients());
 104                 } catch (MessagingException me1) {
 105                         /* swallow. */
 106                 }
 107         }
 108
 109 }