How to construct and send an RFC822 (singlepart) message : Email Message « Email « Java Tutorial






/*
 * @(#)smtpsend.java  1.5 05/12/09
 *
 * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * 
 * - Redistribution in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of contributors
 * 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
 * ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES OR LIABILITIES
 * SUFFERED BY LICENSEE AS A RESULT OF  OR RELATING TO USE, MODIFICATION
 * OR DISTRIBUTION OF THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
 * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
 * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
 * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
 * ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS
 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * 
 * You acknowledge that Software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of any
 * nuclear facility.
 */

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Date;
import java.util.Properties;

import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.SendFailedException;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.URLName;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

import com.sun.mail.smtp.SMTPAddressFailedException;
import com.sun.mail.smtp.SMTPAddressSucceededException;
import com.sun.mail.smtp.SMTPSendFailedException;
import com.sun.mail.smtp.SMTPTransport;

/**
 * Demo app that shows how to construct and send an RFC822 (singlepart) message.
 * 
 * XXX - allow more than one recipient on the command line
 * 
 * This is just a variant of msgsend.java that demonstrates use of some
 * SMTP-specific features.
 * 
 * @author Max Spivak
 * @author Bill Shannon
 */

public class smtpsend {

  public static void main(String[] argv) {
    String to, subject = null, from = null, cc = null, bcc = null, url = null;
    String mailhost = null;
    String mailer = "smtpsend";
    String file = null;
    String protocol = null, host = null, user = null, password = null;
    String record = null; // name of folder in which to record mail
    boolean debug = false;
    boolean verbose = false;
    boolean auth = false;
    boolean ssl = false;
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    int optind;

    for (optind = 0; optind < argv.length; optind++) {
      if (argv[optind].equals("-T")) {
        protocol = argv[++optind];
      } else if (argv[optind].equals("-H")) {
        host = argv[++optind];
      } else if (argv[optind].equals("-U")) {
        user = argv[++optind];
      } else if (argv[optind].equals("-P")) {
        password = argv[++optind];
      } else if (argv[optind].equals("-M")) {
        mailhost = argv[++optind];
      } else if (argv[optind].equals("-f")) {
        record = argv[++optind];
      } else if (argv[optind].equals("-a")) {
        file = argv[++optind];
      } else if (argv[optind].equals("-s")) {
        subject = argv[++optind];
      } else if (argv[optind].equals("-o")) { // originator
        from = argv[++optind];
      } else if (argv[optind].equals("-c")) {
        cc = argv[++optind];
      } else if (argv[optind].equals("-b")) {
        bcc = argv[++optind];
      } else if (argv[optind].equals("-L")) {
        url = argv[++optind];
      } else if (argv[optind].equals("-d")) {
        debug = true;
      } else if (argv[optind].equals("-v")) {
        verbose = true;
      } else if (argv[optind].equals("-A")) {
        auth = true;
      } else if (argv[optind].equals("-S")) {
        ssl = true;
      } else if (argv[optind].equals("--")) {
        optind++;
        break;
      } else if (argv[optind].startsWith("-")) {
        System.out
            .println("Usage: smtpsend [[-L store-url] | [-T prot] [-H host] [-U user] [-P passwd]]");
        System.out.println("\t[-s subject] [-o from-address] [-c cc-addresses] [-b bcc-addresses]");
        System.out.println("\t[-f record-mailbox] [-M transport-host] [-d] [-a attach-file]");
        System.out.println("\t[-v] [-A] [-S] [address]");
        System.exit(1);
      } else {
        break;
      }
    }

    try {
      if (optind < argv.length) {
        // XXX - concatenate all remaining arguments
        to = argv[optind];
        System.out.println("To: " + to);
      } else {
        System.out.print("To: ");
        System.out.flush();
        to = in.readLine();
      }
      if (subject == null) {
        System.out.print("Subject: ");
        System.out.flush();
        subject = in.readLine();
      } else {
        System.out.println("Subject: " + subject);
      }

      Properties props = System.getProperties();
      if (mailhost != null)
        props.put("mail.smtp.host", mailhost);
      if (auth)
        props.put("mail.smtp.auth", "true");

      // Get a Session object
      Session session = Session.getInstance(props, null);
      if (debug)
        session.setDebug(true);

      // construct the message
      Message msg = new MimeMessage(session);
      if (from != null)
        msg.setFrom(new InternetAddress(from));
      else
        msg.setFrom();

      msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to, false));
      if (cc != null)
        msg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(cc, false));
      if (bcc != null)
        msg.setRecipients(Message.RecipientType.BCC, InternetAddress.parse(bcc, false));

      msg.setSubject(subject);

      String text = collect(in);

      if (file != null) {
        // Attach the specified file.
        // We need a multipart message to hold the attachment.
        MimeBodyPart mbp1 = new MimeBodyPart();
        mbp1.setText(text);
        MimeBodyPart mbp2 = new MimeBodyPart();
        mbp2.attachFile(file);
        MimeMultipart mp = new MimeMultipart();
        mp.addBodyPart(mbp1);
        mp.addBodyPart(mbp2);
        msg.setContent(mp);
      } else {
        // If the desired charset is known, you can use
        // setText(text, charset)
        msg.setText(text);
      }

      msg.setHeader("X-Mailer", mailer);
      msg.setSentDate(new Date());

      // send the thing off
      /*
       * The simple way to send a message is this:
       * 
       * Transport.send(msg);
       * 
       * But we're going to use some SMTP-specific features for demonstration
       * purposes so we need to manage the Transport object explicitly.
       */
      SMTPTransport t = (SMTPTransport) session.getTransport(ssl ? "smtps" : "smtp");
      try {
        if (auth)
          t.connect(mailhost, user, password);
        else
          t.connect();
        t.sendMessage(msg, msg.getAllRecipients());
      } finally {
        if (verbose)
          System.out.println("Response: " + t.getLastServerResponse());
        t.close();
      }

      System.out.println("\nMail was sent successfully.");

      // Keep a copy, if requested.

      if (record != null) {
        // Get a Store object
        Store store = null;
        if (url != null) {
          URLName urln = new URLName(url);
          store = session.getStore(urln);
          store.connect();
        } else {
          if (protocol != null)
            store = session.getStore(protocol);
          else
            store = session.getStore();

          // Connect
          if (host != null || user != null || password != null)
            store.connect(host, user, password);
          else
            store.connect();
        }

        // Get record Folder. Create if it does not exist.
        Folder folder = store.getFolder(record);
        if (folder == null) {
          System.err.println("Can't get record folder.");
          System.exit(1);
        }
        if (!folder.exists())
          folder.create(Folder.HOLDS_MESSAGES);

        Message[] msgs = new Message[1];
        msgs[0] = msg;
        folder.appendMessages(msgs);

        System.out.println("Mail was recorded successfully.");
      }

    } catch (Exception e) {
      if (e instanceof SendFailedException) {
        MessagingException sfe = (MessagingException) e;
        if (sfe instanceof SMTPSendFailedException) {
          SMTPSendFailedException ssfe = (SMTPSendFailedException) sfe;
          System.out.println("SMTP SEND FAILED:");
          if (verbose)
            System.out.println(ssfe.toString());
          System.out.println("  Command: " + ssfe.getCommand());
          System.out.println("  RetCode: " + ssfe.getReturnCode());
          System.out.println("  Response: " + ssfe.getMessage());
        } else {
          if (verbose)
            System.out.println("Send failed: " + sfe.toString());
        }
        Exception ne;
        while ((ne = sfe.getNextException()) != null && ne instanceof MessagingException) {
          sfe = (MessagingException) ne;
          if (sfe instanceof SMTPAddressFailedException) {
            SMTPAddressFailedException ssfe = (SMTPAddressFailedException) sfe;
            System.out.println("ADDRESS FAILED:");
            if (verbose)
              System.out.println(ssfe.toString());
            System.out.println("  Address: " + ssfe.getAddress());
            System.out.println("  Command: " + ssfe.getCommand());
            System.out.println("  RetCode: " + ssfe.getReturnCode());
            System.out.println("  Response: " + ssfe.getMessage());
          } else if (sfe instanceof SMTPAddressSucceededException) {
            System.out.println("ADDRESS SUCCEEDED:");
            SMTPAddressSucceededException ssfe = (SMTPAddressSucceededException) sfe;
            if (verbose)
              System.out.println(ssfe.toString());
            System.out.println("  Address: " + ssfe.getAddress());
            System.out.println("  Command: " + ssfe.getCommand());
            System.out.println("  RetCode: " + ssfe.getReturnCode());
            System.out.println("  Response: " + ssfe.getMessage());
          }
        }
      } else {
        System.out.println("Got Exception: " + e);
        if (verbose)
          e.printStackTrace();
      }
    }
  }

  public static String collect(BufferedReader in) throws IOException {
    String line;
    StringBuffer sb = new StringBuffer();
    while ((line = in.readLine()) != null) {
      sb.append(line);
      sb.append("\n");
    }
    return sb.toString();
  }
}








30.4.Email Message
30.4.1.Creates a message, retrieves a Transport from the session based on the type of the address and sends the message
30.4.2.Create a very simple text/plain message and sends it
30.4.3.Show information about and contents of messages
30.4.4.Get Message Size Line Count
30.4.5.Access message given its UID and Show information about and contents of messages
30.4.6.Create a simple multipart/mixed message and sends it
30.4.7.How to construct and send an RFC822 (singlepart) message
30.4.8.How to construct and send a single part html message