runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/mail/SendMail.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.slc.mail;
  18
  19 import java.util.HashMap;
  20 import java.util.Map;
  21 import java.util.Properties;
  22
  23 import javax.mail.Message;
  24 import javax.mail.Session;
  25 import javax.mail.Transport;
  26 import javax.mail.internet.InternetAddress;
  27 import javax.mail.internet.MimeMessage;
  28
  29 import org.argeo.slc.SlcException;
  30 import org.argeo.slc.core.execution.tasks.SystemCall;
  31
  32 // http://java.sun.com/developer/onlineTraining/JavaMail/contents.html#JavaMailUsage
  33 // http://java.sun.com/products/javamail/FAQ.html#gmail
  34 public class SendMail implements Runnable {
  35         private String host;
  36         private String from;
  37         private String to;
  38         private String subject;
  39         private String text;
  40         private String username;
  41         private String password;
  42         private Map<String, String> javaMailProperties = new HashMap<String, String>();
  43
  44         public void run() {
  45                 if ("local".equals(host))
  46                         sendWithMailCommand();
  47                 else if ("smtp.gmail.com".equals(host))
  48                         sendWithGMail();
  49                 else
  50                         sendWithJavaMail();
  51         }
  52
  53         protected void sendWithMailCommand() {
  54                 SystemCall mail = new SystemCall("mail");
  55                 mail.arg("-s", subject).arg(to);
  56                 mail.run();
  57         }
  58
  59         protected void sendWithJavaMail() {
  60                 try {
  61                         // Get system properties
  62                         Properties props = System.getProperties();
  63
  64                         // Setup mail server
  65                         props.put("mail.smtp.host", host);
  66
  67                         for (String key : javaMailProperties.keySet())
  68                                 props.put(key, javaMailProperties.get(key));
  69
  70                         // Get session
  71                         Session session = Session.getDefaultInstance(props, null);
  72
  73                         // Define message
  74                         MimeMessage message = new MimeMessage(session);
  75                         buildJavaMailMessage(message);
  76
  77                         // Send message
  78                         Transport.send(message);
  79                 } catch (Exception e) {
  80                         throw new SlcException("Cannot send message.", e);
  81                 }
  82         }
  83
  84         protected void sendWithGMail() {
  85                 try {
  86                         Properties props = new Properties();
  87                         props.put("mail.smtps.auth", "true");
  88                         props.put("mail.smtps.host", host);
  89                         Session session = Session.getDefaultInstance(props, null);
  90                         MimeMessage message = new MimeMessage(session);
  91                         buildJavaMailMessage(message);
  92                         Transport t = session.getTransport("smtps");
  93                         try {
  94                                 t.connect(host, username, password);
  95                                 t.sendMessage(message, message.getAllRecipients());
  96                         } finally {
  97                                 t.close();
  98                         }
  99
 100                 } catch (Exception e) {
 101                         throw new SlcException("Cannot send message.", e);
 102                 }
 103         }
 104
 105         protected void buildJavaMailMessage(Message message) throws Exception {
 106                 message.setFrom(new InternetAddress(from));
 107                 message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
 108                 message.setSubject(subject);
 109                 message.setText(text);
 110         }
 111
 112         public void setHost(String host) {
 113                 this.host = host;
 114         }
 115
 116         public void setFrom(String from) {
 117                 this.from = from;
 118         }
 119
 120         public void setTo(String to) {
 121                 this.to = to;
 122         }
 123
 124         public void setSubject(String subject) {
 125                 this.subject = subject;
 126         }
 127
 128         public void setText(String text) {
 129                 this.text = text;
 130         }
 131
 132         public void setJavaMailProperties(Map<String, String> javaMailProperties) {
 133                 this.javaMailProperties = javaMailProperties;
 134         }
 135
 136         public void setUsername(String username) {
 137                 this.username = username;
 138         }
 139
 140         public void setPassword(String password) {
 141                 this.password = password;
 142         }
 143
 144 }