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.apache.commons.logging.Log;
  30 import org.apache.commons.logging.LogFactory;
  31 import org.argeo.slc.SlcException;
  32 import org.argeo.slc.core.execution.tasks.SystemCall;
  33
  34 /** Sends a mail via JavaMail, local mail command or Google Mail. */
  35 public class SendMail implements Runnable {
  36         // See:
  37         // http://java.sun.com/developer/onlineTraining/JavaMail/contents.html#JavaMailUsage
  38         // http://java.sun.com/products/javamail/FAQ.html#gmail
  39
  40         private final static Log log = LogFactory.getLog(SendMail.class);
  41
  42         private String host;
  43         private String from;
  44         private String to;
  45         private String subject;
  46         private String text;
  47         private String username;
  48         private String password;
  49         private Map<String, String> javaMailProperties = new HashMap<String, String>();
  50
  51         public void run() {
  52                 if ("local".equals(host))
  53                         sendWithMailCommand();
  54                 else if ("smtp.gmail.com".equals(host))
  55                         sendWithGMail();
  56                 else
  57                         sendWithJavaMail();
  58         }
  59
  60         protected void sendWithMailCommand() {
  61                 SystemCall mail = new SystemCall("mail");
  62                 mail.arg("-s", subject).arg(to);
  63                 mail.run();
  64                 if (log.isDebugEnabled())
  65                         log.debug("Sent mail to " + to + " with OS mail command");
  66         }
  67
  68         protected void sendWithJavaMail() {
  69                 try {
  70                         // Get system properties
  71                         Properties props = System.getProperties();
  72
  73                         // Setup mail server
  74                         props.put("mail.smtp.host", host);
  75
  76                         for (String key : javaMailProperties.keySet())
  77                                 props.put(key, javaMailProperties.get(key));
  78
  79                         // Get session
  80                         Session session = Session.getDefaultInstance(props, null);
  81
  82                         // Define message
  83                         MimeMessage message = new MimeMessage(session);
  84                         buildJavaMailMessage(message);
  85
  86                         // Send message
  87                         Transport.send(message);
  88                         if (log.isDebugEnabled())
  89                                 log.debug("Sent mail to " + to + " with JavaMail");
  90                 } catch (Exception e) {
  91                         throw new SlcException("Cannot send message.", e);
  92                 }
  93         }
  94
  95         protected void sendWithGMail() {
  96                 try {
  97                         Properties props = new Properties();
  98                         props.put("mail.smtps.auth", "true");
  99                         props.put("mail.smtps.host", host);
 100                         Session session = Session.getDefaultInstance(props, null);
 101                         MimeMessage message = new MimeMessage(session);
 102                         buildJavaMailMessage(message);
 103                         Transport t = session.getTransport("smtps");
 104                         try {
 105                                 t.connect(host, username, password);
 106                                 t.sendMessage(message, message.getAllRecipients());
 107                         } finally {
 108                                 t.close();
 109                         }
 110                         if (log.isDebugEnabled())
 111                                 log.debug("Sent mail to " + to + " with Google Mail");
 112                 } catch (Exception e) {
 113                         throw new SlcException("Cannot send message.", e);
 114                 }
 115         }
 116
 117         protected void buildJavaMailMessage(Message message) throws Exception {
 118                 message.setFrom(new InternetAddress(from));
 119                 message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
 120                 message.setSubject(subject);
 121                 message.setText(text);
 122         }
 123
 124         public void setHost(String host) {
 125                 this.host = host;
 126         }
 127
 128         public void setFrom(String from) {
 129                 this.from = from;
 130         }
 131
 132         public void setTo(String to) {
 133                 this.to = to;
 134         }
 135
 136         public void setSubject(String subject) {
 137                 this.subject = subject;
 138         }
 139
 140         public void setText(String text) {
 141                 this.text = text;
 142         }
 143
 144         public void setJavaMailProperties(Map<String, String> javaMailProperties) {
 145                 this.javaMailProperties = javaMailProperties;
 146         }
 147
 148         public void setUsername(String username) {
 149                 this.username = username;
 150         }
 151
 152         public void setPassword(String password) {
 153                 this.password = password;
 154         }
 155
 156 }