Example usage for org.apache.commons.net.smtp AuthenticatingSMTPClient disconnect

Introduction

In this page you can find the example usage for org.apache.commons.net.smtp AuthenticatingSMTPClient disconnect.

Prototype

@Override
public void disconnect() throws IOException 

Source Link

Document

Closes the connection to the SMTP server and sets to null some internal data so that the memory may be reclaimed by the garbage collector.

Usage

From source file:net.metanotion.emailqueue.SmtpSender.java

private void startTls(final AuthenticatingSMTPClient client) throws SSLException, IOException {
    if (this.tls != Security.NONE) {
        logger.trace("Starting TLS");
        if (!client.execTLS()) {
            logger.error("Could not Start TLS.");
            if (this.tls == Security.TLS_ONLY) {
                try {
                    client.disconnect();
                } catch (final IOException e) {
                }//from   w ww  .j av a2s .co  m
                throw new RuntimeException("TLS was required for connection but could not be established.");
            }
        }
    }
}

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From source file:com.ironiacorp.email.CommonsNetEmailDispatcher.java

@Override
public void sendEmails(Email... emails) {
    AuthenticatingSMTPClient client = null;
    boolean result = false;
    int port = connectionType.port;
    if (serverPort != 0) {
        port = serverPort;/*w w  w  .  ja  v a 2s . c  o m*/
    }

    try {
        client = new AuthenticatingSMTPClient();

        client.connect(serverName, port);
        if (connectionType == EmailServerConnectionType.SSL
                || connectionType == EmailServerConnectionType.TLS) {
            result = client.execTLS();
            if (result == false) {
                throw new IllegalArgumentException("Cannot start secure connection");
            }
        }

        if (authenticationRequired) {
            result = client.auth(AUTH_METHOD.PLAIN, username, password);
            if (result == false) {
                throw new IllegalArgumentException("Incorrect username or password");
            }
        }

        // After connection attempt, you should check the reply code to verify success.
        int reply = client.getReplyCode();
        if (!SMTPReply.isPositiveCompletion(reply)) {
            client.disconnect();
        }

        for (Email email : emails) {
            SimpleSMTPHeader header;
            Iterator<Recipient> i = email.getRecipients().iterator();
            Writer writer = client.sendMessageData();
            String to = null;

            while (i.hasNext()) {
                Recipient recipient = i.next();
                if (to == null && email.getVisibility(recipient) == Visibility.TO) {
                    to = recipient.getEmail();
                } else {
                    client.addRecipient(recipient.getEmail());
                }
            }

            header = new SimpleSMTPHeader(email.getSender().getEmail(), null, email.getSubject());

            writer.write(header.toString());
            result = client.completePendingCommand();
            if (result == false) {
                throw new IllegalArgumentException("Could not send the email");
            }
            client.reset();
        }
    } catch (Exception e) {
        throw new UnsupportedOperationException("Could not send the email", e);
    } finally {
        if (client != null && client.isConnected()) {
            try {
                client.disconnect();
            } catch (IOException e) {
            }
        }

    }
}

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From source file:net.metanotion.emailqueue.SmtpSender.java

@Override
public Connection getConnection() {
    AuthenticatingSMTPClient client = null;
    try {//from w  w  w  .j  a  v a 2 s.com
        client = new AuthenticatingSMTPClient();
        client.addProtocolCommandListener(new ProtocolCommandListener() {
            @Override
            public void protocolCommandSent(final ProtocolCommandEvent event) {
                logger.trace(COMMAND_LOG_FORMAT, event.getCommand(), event.getMessage());
            }

            @Override
            public void protocolReplyReceived(final ProtocolCommandEvent event) {
                logger.trace(COMMAND_LOG_FORMAT, event.getCommand(), event.getMessage());
            }
        });
        logger.trace("Connecting");
        client.connect(this.server, this.port);
        if (!SMTPReply.isPositiveCompletion(client.getReplyCode())) {
            logger.error("Did not get positive completion.");
            throw new IOException("Could not complete SMTP connection.");
        }
        startTls(client);
        logger.trace("Authenticating");
        client.auth(AuthenticatingSMTPClient.AUTH_METHOD.PLAIN, username, password);
        logger.trace("Login");
        client.login(host);
        return new Connection(client);
    } catch (final IOException | NoSuchAlgorithmException | InvalidKeyException | InvalidKeySpecException ex) {
        logger.debug("Error", ex);
        try {
            if (client != null) {
                client.disconnect();
            }
        } catch (final IOException ex2) {
        }
        throw new RuntimeException(ex);
    }
}

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From source file:ca.rmen.android.networkmonitor.app.email.Emailer.java

/**
 * Sends an e-mail in UTF-8 encoding.//from  w w  w . jav  a  2s.c  o m
 *
 * @param protocol    this has been tested with "TLS", "SSL", and null.
 * @param attachments optional attachments to include in the mail.
 * @param debug       if true, details about the smtp commands will be logged to stdout.
 */
static void sendEmail(String protocol, String server, int port, String user, String password, String from,
        String[] recipients, String subject, String body, Set<File> attachments, boolean debug)
        throws Exception {

    // Set up the mail connectivity
    final AuthenticatingSMTPClient client;
    if (protocol == null)
        client = new AuthenticatingSMTPClient();
    else
        client = new AuthenticatingSMTPClient(protocol);

    if (debug)
        client.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));

    client.setDefaultTimeout(SMTP_TIMEOUT_MS);
    client.setCharset(Charset.forName(ENCODING));
    client.connect(server, port);
    checkReply(client);
    client.helo("[" + client.getLocalAddress().getHostAddress() + "]");
    checkReply(client);
    if ("TLS".equals(protocol)) {
        if (!client.execTLS()) {
            checkReply(client);
            throw new RuntimeException("Could not start tls");
        }
    }
    client.auth(AuthenticatingSMTPClient.AUTH_METHOD.LOGIN, user, password);
    checkReply(client);

    // Set up the mail participants
    client.setSender(from);
    checkReply(client);
    for (String recipient : recipients) {
        client.addRecipient(recipient);
        checkReply(client);
    }

    // Set up the mail content
    Writer writer = client.sendMessageData();
    SimpleSMTPHeader header = new SimpleSMTPHeader(from, recipients[0], subject);
    for (int i = 1; i < recipients.length; i++)
        header.addCC(recipients[i]);

    // Just plain text mail: no attachments
    if (attachments == null || attachments.isEmpty()) {
        header.addHeaderField("Content-Type", "text/plain; charset=" + ENCODING);
        writer.write(header.toString());
        writer.write(body);
    }
    // Mail with attachments
    else {
        String boundary = UUID.randomUUID().toString().replaceAll("-", "").substring(0, 28);
        header.addHeaderField("Content-Type", "multipart/mixed; boundary=" + boundary);
        writer.write(header.toString());

        // Write the main text message
        writer.write("--" + boundary + "\n");
        writer.write("Content-Type: text/plain; charset=" + ENCODING + "\n\n");
        writer.write(body);
        writer.write("\n");

        // Write the attachments
        appendAttachments(writer, boundary, attachments);
        writer.write("--" + boundary + "--\n\n");
    }

    writer.close();
    if (!client.completePendingCommand()) {
        throw new RuntimeException("Could not send mail");
    }
    client.logout();
    client.disconnect();
}

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