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

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   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 package org.argeo.slc.mail;
  17
  18 import java.util.HashMap;
  19 import java.util.Map;
  20 import java.util.Properties;
  21
  22 import javax.mail.Message;
  23 import javax.mail.Session;
  24 import javax.mail.Transport;
  25 import javax.mail.internet.InternetAddress;
  26 import javax.mail.internet.MimeMessage;
  27
  28 import org.apache.commons.logging.Log;
  29 import org.apache.commons.logging.LogFactory;
  30 import org.argeo.slc.SlcException;
  31 import org.argeo.slc.core.execution.tasks.SystemCall;
  32
  33 /** Sends a mail via JavaMail, local mail command or Google Mail. */
  34 public class SendMail implements Runnable {
  35         // See:
  36         // http://java.sun.com/developer/onlineTraining/JavaMail/contents.html#JavaMailUsage
  37         // http://java.sun.com/products/javamail/FAQ.html#gmail
  38
  39         private final static Log log = LogFactory.getLog(SendMail.class);
  40
  41         private String host;
  42         private String from;
  43         private String to;
  44         private String subject;
  45         private String text;
  46         private String username;
  47         private String password;
  48         private Map<String, String> javaMailProperties = new HashMap<String, String>();
  49
  50         public void run() {
  51                 if ("local".equals(host))
  52                         sendWithMailCommand();
  53                 else if ("smtp.gmail.com".equals(host))
  54                         sendWithGMail();
  55                 else
  56                         sendWithJavaMail();
  57         }
  58
  59         protected void sendWithMailCommand() {
  60                 SystemCall mail = new SystemCall("mail");
  61                 mail.arg("-s", subject).arg(to);
  62                 mail.run();
  63                 if (log.isDebugEnabled())
  64                         log.debug("Sent mail to " + to + " with OS mail command");
  65         }
  66
  67         protected void sendWithJavaMail() {
  68                 try {
  69                         // Get system properties
  70                         Properties props = System.getProperties();
  71
  72                         // Setup mail server
  73                         props.put("mail.smtp.host", host);
  74
  75                         for (String key : javaMailProperties.keySet())
  76                                 props.put(key, javaMailProperties.get(key));
  77
  78                         // Get session
  79                         Session session = Session.getDefaultInstance(props, null);
  80
  81                         // Define message
  82                         MimeMessage message = new MimeMessage(session);
  83                         buildJavaMailMessage(message);
  84
  85                         // Send message
  86                         Transport.send(message);
  87                         if (log.isDebugEnabled())
  88                                 log.debug("Sent mail to " + to + " with JavaMail");
  89                 } catch (Exception e) {
  90                         throw new SlcException("Cannot send message.", e);
  91                 }
  92         }
  93
  94         protected void sendWithGMail() {
  95                 try {
  96                         Properties props = new Properties();
  97                         props.put("mail.smtps.auth", "true");
  98                         props.put("mail.smtps.host", host);
  99                         Session session = Session.getDefaultInstance(props, null);
 100                         MimeMessage message = new MimeMessage(session);
 101                         buildJavaMailMessage(message);
 102                         Transport t = session.getTransport("smtps");
 103                         try {
 104                                 t.connect(host, username, password);
 105                                 t.sendMessage(message, message.getAllRecipients());
 106                         } finally {
 107                                 t.close();
 108                         }
 109                         if (log.isDebugEnabled())
 110                                 log.debug("Sent mail to " + to + " with Google Mail");
 111                 } catch (Exception e) {
 112                         throw new SlcException("Cannot send message.", e);
 113                 }
 114         }
 115
 116         protected void buildJavaMailMessage(Message message) throws Exception {
 117                 message.setFrom(new InternetAddress(from));
 118                 message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
 119                 message.setSubject(subject);
 120                 message.setText(text);
 121         }
 122
 123         public void setHost(String host) {
 124                 this.host = host;
 125         }
 126
 127         public void setFrom(String from) {
 128                 this.from = from;
 129         }
 130
 131         public void setTo(String to) {
 132                 this.to = to;
 133         }
 134
 135         public void setSubject(String subject) {
 136                 this.subject = subject;
 137         }
 138
 139         public void setText(String text) {
 140                 this.text = text;
 141         }
 142
 143         public void setJavaMailProperties(Map<String, String> javaMailProperties) {
 144                 this.javaMailProperties = javaMailProperties;
 145         }
 146
 147         public void setUsername(String username) {
 148                 this.username = username;
 149         }
 150
 151         public void setPassword(String password) {
 152                 this.password = password;
 153         }
 154
 155 }