cms/org.argeo.slc.support/src/org/argeo/slc/mail/SendMail.java

   1 package org.argeo.slc.mail;
   2
   3 import java.util.HashMap;
   4 import java.util.Map;
   5 import java.util.Properties;
   6
   7 import javax.mail.Message;
   8 import javax.mail.Session;
   9 import javax.mail.Transport;
  10 import javax.mail.internet.InternetAddress;
  11 import javax.mail.internet.MimeMessage;
  12
  13 import org.apache.commons.logging.Log;
  14 import org.apache.commons.logging.LogFactory;
  15 import org.argeo.slc.SlcException;
  16 import org.argeo.slc.core.execution.tasks.SystemCall;
  17
  18 /** Sends a mail via JavaMail, local mail command or Google Mail. */
  19 public class SendMail implements Runnable {
  20         // See:
  21         // http://java.sun.com/developer/onlineTraining/JavaMail/contents.html#JavaMailUsage
  22         // http://java.sun.com/products/javamail/FAQ.html#gmail
  23
  24         private final static Log log = LogFactory.getLog(SendMail.class);
  25
  26         private String host;
  27         private String from;
  28         private String to;
  29         private String subject;
  30         private String text;
  31         private String username;
  32         private String password;
  33         private Map<String, String> javaMailProperties = new HashMap<String, String>();
  34
  35         public void run() {
  36                 if ("local".equals(host))
  37                         sendWithMailCommand();
  38                 else if ("smtp.gmail.com".equals(host))
  39                         sendWithGMail();
  40                 else
  41                         sendWithJavaMail();
  42         }
  43
  44         protected void sendWithMailCommand() {
  45                 SystemCall mail = new SystemCall("mail");
  46                 mail.arg("-s", subject).arg(to);
  47                 mail.run();
  48                 if (log.isDebugEnabled())
  49                         log.debug("Sent mail to " + to + " with OS mail command");
  50         }
  51
  52         protected void sendWithJavaMail() {
  53                 try {
  54                         // Get system properties
  55                         Properties props = System.getProperties();
  56
  57                         // Setup mail server
  58                         props.put("mail.smtp.host", host);
  59
  60                         for (String key : javaMailProperties.keySet())
  61                                 props.put(key, javaMailProperties.get(key));
  62
  63                         // Get session
  64                         Session session = Session.getDefaultInstance(props, null);
  65
  66                         // Define message
  67                         MimeMessage message = new MimeMessage(session);
  68                         buildJavaMailMessage(message);
  69
  70                         // Send message
  71                         Transport.send(message);
  72                         if (log.isDebugEnabled())
  73                                 log.debug("Sent mail to " + to + " with JavaMail");
  74                 } catch (Exception e) {
  75                         throw new SlcException("Cannot send message.", e);
  76                 }
  77         }
  78
  79         protected void sendWithGMail() {
  80                 try {
  81                         Properties props = new Properties();
  82                         props.put("mail.smtps.auth", "true");
  83                         props.put("mail.smtps.host", host);
  84                         Session session = Session.getDefaultInstance(props, null);
  85                         MimeMessage message = new MimeMessage(session);
  86                         buildJavaMailMessage(message);
  87                         Transport t = session.getTransport("smtps");
  88                         try {
  89                                 t.connect(host, username, password);
  90                                 t.sendMessage(message, message.getAllRecipients());
  91                         } finally {
  92                                 t.close();
  93                         }
  94                         if (log.isDebugEnabled())
  95                                 log.debug("Sent mail to " + to + " with Google Mail");
  96                 } catch (Exception e) {
  97                         throw new SlcException("Cannot send message.", e);
  98                 }
  99         }
 100
 101         protected void buildJavaMailMessage(Message message) throws Exception {
 102                 message.setFrom(new InternetAddress(from));
 103                 message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
 104                 message.setSubject(subject);
 105                 message.setText(text);
 106         }
 107
 108         public void setHost(String host) {
 109                 this.host = host;
 110         }
 111
 112         public void setFrom(String from) {
 113                 this.from = from;
 114         }
 115
 116         public void setTo(String to) {
 117                 this.to = to;
 118         }
 119
 120         public void setSubject(String subject) {
 121                 this.subject = subject;
 122         }
 123
 124         public void setText(String text) {
 125                 this.text = text;
 126         }
 127
 128         public void setJavaMailProperties(Map<String, String> javaMailProperties) {
 129                 this.javaMailProperties = javaMailProperties;
 130         }
 131
 132         public void setUsername(String username) {
 133                 this.username = username;
 134         }
 135
 136         public void setPassword(String password) {
 137                 this.password = password;
 138         }
 139
 140 }