How to use the FileDataSource to send a file via mail : Email Attachment « Email « Java






How to use the FileDataSource to send a file via mail

/*
 * @(#)sendfile.java  1.11 03/06/19
 *
 * Copyright 1996-2003 Sun Microsystems, Inc. All Rights Reserved.
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 * modification, are permitted provided that the following conditions
 * are met:
 * 
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 *   notice, this list of conditions and the following disclaimer.
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 * 
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 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
 * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND
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 */

import java.util.*;
import java.io.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;

/**
 * sendfile will create a multipart message with the second
 * block of the message being the given file.<p>
 *
 * This demonstrates how to use the FileDataSource to send
 * a file via mail.<p>
 *
 * usage: <code>java sendfile <i>to from smtp file true|false</i></code>
 * where <i>to</i> and <i>from</i> are the destination and
 * origin email addresses, respectively, and <i>smtp</i>
 * is the hostname of the machine that has smtp server
 * running.  <i>file</i> is the file to send. The next parameter
 * either turns on or turns off debugging during sending.
 *
 * @author  Christopher Cotton
 */
public class sendfile {

    public static void main(String[] args) {
  if (args.length != 5) {
      System.out.println("usage: java sendfile <to> <from> <smtp> <file> true|false");
      System.exit(1);
  }

  String to = args[0];
  String from = args[1];
  String host = args[2];
  String filename = args[3];
  boolean debug = Boolean.valueOf(args[4]).booleanValue();
  String msgText1 = "Sending a file.\n";
  String subject = "Sending a file";
  
  // create some properties and get the default Session
  Properties props = System.getProperties();
  props.put("mail.smtp.host", host);
  
  Session session = Session.getInstance(props, null);
  session.setDebug(debug);
  
  try {
      // create a message
      MimeMessage msg = new MimeMessage(session);
      msg.setFrom(new InternetAddress(from));
      InternetAddress[] address = {new InternetAddress(to)};
      msg.setRecipients(Message.RecipientType.TO, address);
      msg.setSubject(subject);

      // create and fill the first message part
      MimeBodyPart mbp1 = new MimeBodyPart();
      mbp1.setText(msgText1);

      // create the second message part
      MimeBodyPart mbp2 = new MimeBodyPart();

            // attach the file to the message
        FileDataSource fds = new FileDataSource(filename);
      mbp2.setDataHandler(new DataHandler(fds));
      mbp2.setFileName(fds.getName());

      // create the Multipart and add its parts to it
      Multipart mp = new MimeMultipart();
      mp.addBodyPart(mbp1);
      mp.addBodyPart(mbp2);

      // add the Multipart to the message
      msg.setContent(mp);

      // set the Date: header
      msg.setSentDate(new Date());
      
      // send the message
      Transport.send(msg);
      
  } catch (MessagingException mex) {
      mex.printStackTrace();
      Exception ex = null;
      if ((ex = mex.getNextException()) != null) {
    ex.printStackTrace();
      }
  }
    }
}


           
       








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