Example usage for org.apache.commons.net.imap IMAPClient logout

List of usage examples for org.apache.commons.net.imap IMAPClient logout

Introduction

In this page you can find the example usage for org.apache.commons.net.imap IMAPClient logout.

Prototype

public boolean logout() throws IOException 

Source Link

Document

Send a LOGOUT command to the server.

Usage

From source file:examples.mail.IMAPMail.java

public static void main(String[] args) {
    if (args.length < 3) {
        System.err.println("Usage: IMAPMail <imap server hostname> <username> <password> [TLS]");
        System.exit(1);/*from  ww w.j  a v a2  s .  co m*/
    }

    String server = args[0];
    String username = args[1];
    String password = args[2];

    String proto = (args.length > 3) ? args[3] : null;

    IMAPClient imap;

    if (proto != null) {
        System.out.println("Using secure protocol: " + proto);
        imap = new IMAPSClient(proto, true); // implicit
        // enable the next line to only check if the server certificate has expired (does not check chain):
        //            ((IMAPSClient) imap).setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager());
        // OR enable the next line if the server uses a self-signed certificate (no checks)
        //            ((IMAPSClient) imap).setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
    } else {
        imap = new IMAPClient();
    }
    System.out.println("Connecting to server " + server + " on " + imap.getDefaultPort());

    // We want to timeout if a response takes longer than 60 seconds
    imap.setDefaultTimeout(60000);

    // suppress login details
    imap.addProtocolCommandListener(new PrintCommandListener(System.out, true));

    try {
        imap.connect(server);
    } catch (IOException e) {
        throw new RuntimeException("Could not connect to server.", e);
    }

    try {
        if (!imap.login(username, password)) {
            System.err.println("Could not login to server. Check password.");
            imap.disconnect();
            System.exit(3);
        }

        imap.setSoTimeout(6000);

        imap.capability();

        imap.select("inbox");

        imap.examine("inbox");

        imap.status("inbox", new String[] { "MESSAGES" });

        imap.logout();
        imap.disconnect();
    } catch (IOException e) {
        System.out.println(imap.getReplyString());
        e.printStackTrace();
        System.exit(10);
        return;
    }
}

From source file:examples.mail.IMAPImportMbox.java

public static void main(String[] args) throws IOException {
    if (args.length < 2) {
        System.err.println(//ww w  .j  a va  2s . c  om
                "Usage: IMAPImportMbox imap[s]://user:password@host[:port]/folder/path <mboxfile> [selectors]");
        System.err.println("\tWhere: a selector is a list of numbers/number ranges - 1,2,3-10"
                + " - or a list of strings to match in the initial From line");
        System.exit(1);
    }

    final URI uri = URI.create(args[0]);
    final String file = args[1];

    final File mbox = new File(file);
    if (!mbox.isFile() || !mbox.canRead()) {
        throw new IOException("Cannot read mailbox file: " + mbox);
    }

    String path = uri.getPath();
    if (path == null || path.length() < 1) {
        throw new IllegalArgumentException("Invalid folderPath: '" + path + "'");
    }
    String folder = path.substring(1); // skip the leading /

    List<String> contains = new ArrayList<String>(); // list of strings to find
    BitSet msgNums = new BitSet(); // list of message numbers

    for (int i = 2; i < args.length; i++) {
        String arg = args[i];
        if (arg.matches("\\d+(-\\d+)?(,\\d+(-\\d+)?)*")) { // number,m-n
            for (String entry : arg.split(",")) {
                String[] parts = entry.split("-");
                if (parts.length == 2) { // m-n
                    int low = Integer.parseInt(parts[0]);
                    int high = Integer.parseInt(parts[1]);
                    for (int j = low; j <= high; j++) {
                        msgNums.set(j);
                    }
                } else {
                    msgNums.set(Integer.parseInt(entry));
                }
            }
        } else {
            contains.add(arg); // not a number/number range
        }
    }
    //        System.out.println(msgNums.toString());
    //        System.out.println(java.util.Arrays.toString(contains.toArray()));

    // Connect and login
    final IMAPClient imap = IMAPUtils.imapLogin(uri, 10000, null);

    int total = 0;
    int loaded = 0;
    try {
        imap.setSoTimeout(6000);

        final BufferedReader br = new BufferedReader(new FileReader(file)); // TODO charset?

        String line;
        StringBuilder sb = new StringBuilder();
        boolean wanted = false; // Skip any leading rubbish
        while ((line = br.readLine()) != null) {
            if (line.startsWith("From ")) { // start of message; i.e. end of previous (if any)
                if (process(sb, imap, folder, total)) { // process previous message (if any)
                    loaded++;
                }
                sb.setLength(0);
                total++;
                wanted = wanted(total, line, msgNums, contains);
            } else if (startsWith(line, PATFROM)) { // Unescape ">+From " in body text
                line = line.substring(1);
            }
            // TODO process first Received: line to determine arrival date?
            if (wanted) {
                sb.append(line);
                sb.append(CRLF);
            }
        }
        br.close();
        if (wanted && process(sb, imap, folder, total)) { // last message (if any)
            loaded++;
        }
    } catch (IOException e) {
        System.out.println(imap.getReplyString());
        e.printStackTrace();
        System.exit(10);
        return;
    } finally {
        imap.logout();
        imap.disconnect();
    }
    System.out.println("Processed " + total + " messages, loaded " + loaded);
}

From source file:examples.mail.IMAPExportMbox.java

public static void main(String[] args) throws IOException {
    int connect_timeout = CONNECT_TIMEOUT;
    int read_timeout = READ_TIMEOUT;

    int argIdx = 0;
    String eol = EOL_DEFAULT;/*ww w. j a  v  a 2  s .c o  m*/
    boolean printHash = false;
    boolean printMarker = false;
    int retryWaitSecs = 0;

    for (argIdx = 0; argIdx < args.length; argIdx++) {
        if (args[argIdx].equals("-c")) {
            connect_timeout = Integer.parseInt(args[++argIdx]);
        } else if (args[argIdx].equals("-r")) {
            read_timeout = Integer.parseInt(args[++argIdx]);
        } else if (args[argIdx].equals("-R")) {
            retryWaitSecs = Integer.parseInt(args[++argIdx]);
        } else if (args[argIdx].equals("-LF")) {
            eol = LF;
        } else if (args[argIdx].equals("-CRLF")) {
            eol = CRLF;
        } else if (args[argIdx].equals("-.")) {
            printHash = true;
        } else if (args[argIdx].equals("-X")) {
            printMarker = true;
        } else {
            break;
        }
    }

    final int argCount = args.length - argIdx;

    if (argCount < 2) {
        System.err.println("Usage: IMAPExportMbox [-LF|-CRLF] [-c n] [-r n] [-R n] [-.] [-X]"
                + " imap[s]://user:password@host[:port]/folder/path [+|-]<mboxfile> [sequence-set] [itemnames]");
        System.err.println(
                "\t-LF | -CRLF set end-of-line to LF or CRLF (default is the line.separator system property)");
        System.err.println("\t-c connect timeout in seconds (default 10)");
        System.err.println("\t-r read timeout in seconds (default 10)");
        System.err.println("\t-R temporary failure retry wait in seconds (default 0; i.e. disabled)");
        System.err.println("\t-. print a . for each complete message received");
        System.err.println("\t-X print the X-IMAP line for each complete message received");
        System.err.println(
                "\tthe mboxfile is where the messages are stored; use '-' to write to standard output.");
        System.err.println(
                "\tPrefix filename with '+' to append to the file. Prefix with '-' to allow overwrite.");
        System.err.println(
                "\ta sequence-set is a list of numbers/number ranges e.g. 1,2,3-10,20:* - default 1:*");
        System.err
                .println("\titemnames are the message data item name(s) e.g. BODY.PEEK[HEADER.FIELDS (SUBJECT)]"
                        + " or a macro e.g. ALL - default (INTERNALDATE BODY.PEEK[])");
        System.exit(1);
    }

    final URI uri = URI.create(args[argIdx++]);
    final String file = args[argIdx++];
    String sequenceSet = argCount > 2 ? args[argIdx++] : "1:*";
    final String itemNames;
    // Handle 0, 1 or multiple item names
    if (argCount > 3) {
        if (argCount > 4) {
            StringBuilder sb = new StringBuilder();
            sb.append("(");
            for (int i = 4; i <= argCount; i++) {
                if (i > 4) {
                    sb.append(" ");
                }
                sb.append(args[argIdx++]);
            }
            sb.append(")");
            itemNames = sb.toString();
        } else {
            itemNames = args[argIdx++];
        }
    } else {
        itemNames = "(INTERNALDATE BODY.PEEK[])";
    }

    final boolean checkSequence = sequenceSet.matches("\\d+:(\\d+|\\*)"); // are we expecting a sequence?
    final MboxListener chunkListener;
    if (file.equals("-")) {
        chunkListener = null;
    } else if (file.startsWith("+")) {
        final File mbox = new File(file.substring(1));
        System.out.println("Appending to file " + mbox);
        chunkListener = new MboxListener(new BufferedWriter(new FileWriter(mbox, true)), eol, printHash,
                printMarker, checkSequence);
    } else if (file.startsWith("-")) {
        final File mbox = new File(file.substring(1));
        System.out.println("Writing to file " + mbox);
        chunkListener = new MboxListener(new BufferedWriter(new FileWriter(mbox, false)), eol, printHash,
                printMarker, checkSequence);
    } else {
        final File mbox = new File(file);
        if (mbox.exists()) {
            throw new IOException("mailbox file: " + mbox + " already exists!");
        }
        System.out.println("Creating file " + mbox);
        chunkListener = new MboxListener(new BufferedWriter(new FileWriter(mbox)), eol, printHash, printMarker,
                checkSequence);
    }

    String path = uri.getPath();
    if (path == null || path.length() < 1) {
        throw new IllegalArgumentException("Invalid folderPath: '" + path + "'");
    }
    String folder = path.substring(1); // skip the leading /

    // suppress login details
    final PrintCommandListener listener = new PrintCommandListener(System.out, true) {
        @Override
        public void protocolReplyReceived(ProtocolCommandEvent event) {
            if (event.getReplyCode() != IMAPReply.PARTIAL) { // This is dealt with by the chunk listener
                super.protocolReplyReceived(event);
            }
        }
    };

    // Connect and login
    final IMAPClient imap = IMAPUtils.imapLogin(uri, connect_timeout * 1000, listener);

    String maxIndexInFolder = null;

    try {

        imap.setSoTimeout(read_timeout * 1000);

        if (!imap.select(folder)) {
            throw new IOException("Could not select folder: " + folder);
        }

        for (String line : imap.getReplyStrings()) {
            maxIndexInFolder = matches(line, PATEXISTS, 1);
            if (maxIndexInFolder != null) {
                break;
            }
        }

        if (chunkListener != null) {
            imap.setChunkListener(chunkListener);
        } // else the command listener displays the full output without processing

        while (true) {
            boolean ok = imap.fetch(sequenceSet, itemNames);
            // If the fetch failed, can we retry?
            if (!ok && retryWaitSecs > 0 && chunkListener != null && checkSequence) {
                final String replyString = imap.getReplyString(); //includes EOL
                if (startsWith(replyString, PATTEMPFAIL)) {
                    System.err.println("Temporary error detected, will retry in " + retryWaitSecs + "seconds");
                    sequenceSet = (chunkListener.lastSeq + 1) + ":*";
                    try {
                        Thread.sleep(retryWaitSecs * 1000);
                    } catch (InterruptedException e) {
                        // ignored
                    }
                } else {
                    throw new IOException(
                            "FETCH " + sequenceSet + " " + itemNames + " failed with " + replyString);
                }
            } else {
                break;
            }
        }

    } catch (IOException ioe) {
        String count = chunkListener == null ? "?" : Integer.toString(chunkListener.total);
        System.err.println("FETCH " + sequenceSet + " " + itemNames + " failed after processing " + count
                + " complete messages ");
        if (chunkListener != null) {
            System.err.println("Last complete response seen: " + chunkListener.lastFetched);
        }
        throw ioe;
    } finally {

        if (printHash) {
            System.err.println();
        }

        if (chunkListener != null) {
            chunkListener.close();
            final Iterator<String> missingIds = chunkListener.missingIds.iterator();
            if (missingIds.hasNext()) {
                StringBuilder sb = new StringBuilder();
                for (;;) {
                    sb.append(missingIds.next());
                    if (!missingIds.hasNext()) {
                        break;
                    }
                    sb.append(",");
                }
                System.err.println("*** Missing ids: " + sb.toString());
            }
        }
        imap.logout();
        imap.disconnect();
    }
    if (chunkListener != null) {
        System.out.println("Processed " + chunkListener.total + " messages.");
    }
    if (maxIndexInFolder != null) {
        System.out.println("Folder contained " + maxIndexInFolder + " messages.");
    }
}

From source file:me.schiz.jmeter.protocol.imap.sampler.IMAPSampler.java

private SampleResult sampleLogout(SampleResult sr) {
    SocketClient soclient = SessionStorage.getInstance().getClient(getSOClient());
    IMAPClient client = null;
    if (soclient instanceof IMAPClient)
        client = (IMAPClient) soclient;//from  w w w.j  av a 2s  .com

    boolean success = false;
    String request = "LOGOUT\n";
    request += "Client : " + getClient() + "\n";
    request += "Client Name : " + getClientName() + "\n";
    sr.setRequestHeaders(request);
    if (client == null) {
        clientNotFound(sr);
        return sr;
    } else {
        synchronized (client) {
            sr.sampleStart();
            try {
                success = client.logout();
                sr.setSuccessful(success);
                if (getCheckSuccessful()) {
                    sr.setSuccessful(success);
                    if (success)
                        sr.setResponseCodeOK();
                    else
                        sr.setResponseCode(RC_ERROR);
                } else
                    sr.setResponseCodeOK();
                sr.setResponseData(client.getReplyString().getBytes());
            } catch (IOException e) {
                sr.setSuccessful(false);
                sr.setResponseData(e.toString().getBytes());
                sr.setResponseCode(e.getClass().getName());
                log.error("client `" + getClient() + "` ", e);
                removeClient();
            }
            sr.sampleEnd();
        }
    }
    return sr;
}

From source file:com.google.gerrit.server.mail.receive.ImapMailReceiver.java

/**
 * handleEmails will open a connection to the mail server, remove emails where deletion is
 * pending, read new email and close the connection.
 *
 * @param async Determines if processing messages should happen asynchronous.
 *///from  w  ww .j a va  2 s  .  c  o  m
@Override
public synchronized void handleEmails(boolean async) {
    IMAPClient imap;
    if (mailSettings.encryption != Encryption.NONE) {
        imap = new IMAPSClient(mailSettings.encryption.name(), false);
    } else {
        imap = new IMAPClient();
    }
    if (mailSettings.port > 0) {
        imap.setDefaultPort(mailSettings.port);
    }
    // Set a 30s timeout for each operation
    imap.setDefaultTimeout(30 * 1000);
    try {
        imap.connect(mailSettings.host);
        try {
            if (!imap.login(mailSettings.username, mailSettings.password)) {
                log.error("Could not login to IMAP server");
                return;
            }
            try {
                if (!imap.select(INBOX_FOLDER)) {
                    log.error("Could not select IMAP folder " + INBOX_FOLDER);
                    return;
                }
                // Fetch just the internal dates first to know how many messages we
                // should fetch.
                if (!imap.fetch("1:*", "(INTERNALDATE)")) {
                    log.error("IMAP fetch failed. Will retry in next fetch cycle.");
                    return;
                }
                // Format of reply is one line per email and one line to indicate
                // that the fetch was successful.
                // Example:
                // * 1 FETCH (INTERNALDATE "Mon, 24 Oct 2016 16:53:22 +0200 (CEST)")
                // * 2 FETCH (INTERNALDATE "Mon, 24 Oct 2016 16:53:22 +0200 (CEST)")
                // AAAC OK FETCH completed.
                int numMessages = imap.getReplyStrings().length - 1;
                log.info("Fetched " + numMessages + " messages via IMAP");
                if (numMessages == 0) {
                    return;
                }
                // Fetch the full version of all emails
                List<MailMessage> mailMessages = new ArrayList<>(numMessages);
                for (int i = 1; i <= numMessages; i++) {
                    if (imap.fetch(i + ":" + i, "(BODY.PEEK[])")) {
                        // Obtain full reply
                        String[] rawMessage = imap.getReplyStrings();
                        if (rawMessage.length < 2) {
                            continue;
                        }
                        // First and last line are IMAP status codes. We have already
                        // checked, that the fetch returned true (OK), so we safely ignore
                        // those two lines.
                        StringBuilder b = new StringBuilder(2 * (rawMessage.length - 2));
                        for (int j = 1; j < rawMessage.length - 1; j++) {
                            if (j > 1) {
                                b.append("\n");
                            }
                            b.append(rawMessage[j]);
                        }
                        try {
                            MailMessage mailMessage = RawMailParser.parse(b.toString());
                            if (pendingDeletion.contains(mailMessage.id())) {
                                // Mark message as deleted
                                if (imap.store(i + ":" + i, "+FLAGS", "(\\Deleted)")) {
                                    pendingDeletion.remove(mailMessage.id());
                                } else {
                                    log.error("Could not mark mail message as deleted: " + mailMessage.id());
                                }
                            } else {
                                mailMessages.add(mailMessage);
                            }
                        } catch (MailParsingException e) {
                            log.error("Exception while parsing email after IMAP fetch", e);
                        }
                    } else {
                        log.error("IMAP fetch failed. Will retry in next fetch cycle.");
                    }
                }
                // Permanently delete emails marked for deletion
                if (!imap.expunge()) {
                    log.error("Could not expunge IMAP emails");
                }
                dispatchMailProcessor(mailMessages, async);
            } finally {
                imap.logout();
            }
        } finally {
            imap.disconnect();
        }
    } catch (IOException e) {
        log.error("Error while talking to IMAP server", e);
        return;
    }
}

From source file:org.apache.common.net.examples.mail.IMAPMail.java

public static final void main(String[] args) {
    if (args.length < 3) {
        System.err.println("Usage: IMAPMail <imap server hostname> <username> <password> [TLS]");
        System.exit(1);/* ww w. j a  v  a  2s .  c  o m*/
    }

    String server = args[0];
    String username = args[1];
    String password = args[2];

    String proto = (args.length > 3) ? args[3] : null;

    IMAPClient imap;

    if (proto != null) {
        System.out.println("Using secure protocol: " + proto);
        imap = new IMAPSClient(proto, true); // implicit
        // enable the next line to only check if the server certificate has expired (does not check chain):
        //            ((IMAPSClient) imap).setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager());
        // OR enable the next line if the server uses a self-signed certificate (no checks)
        //            ((IMAPSClient) imap).setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
    } else {
        imap = new IMAPClient();
    }
    System.out.println("Connecting to server " + server + " on " + imap.getDefaultPort());

    // We want to timeout if a response takes longer than 60 seconds
    imap.setDefaultTimeout(60000);

    // suppress login details
    imap.addProtocolCommandListener(new PrintCommandListener(System.out, true));

    try {
        imap.connect(server);
    } catch (IOException e) {
        throw new RuntimeException("Could not connect to server.", e);
    }

    try {
        if (!imap.login(username, password)) {
            System.err.println("Could not login to server. Check password.");
            imap.disconnect();
            System.exit(3);
        }

        imap.setSoTimeout(6000);

        imap.capability();

        imap.select("inbox");

        imap.examine("inbox");

        imap.status("inbox", new String[] { "MESSAGES" });

        imap.logout();
        imap.disconnect();
    } catch (IOException e) {
        System.out.println(imap.getReplyString());
        e.printStackTrace();
        System.exit(10);
        return;
    }
}

From source file:org.apache.commons.net.examples.mail.IMAPExportMbox.java

public static void main(String[] args) throws IOException, URISyntaxException {
    int connect_timeout = CONNECT_TIMEOUT;
    int read_timeout = READ_TIMEOUT;

    int argIdx = 0;
    String eol = EOL_DEFAULT;/*from  www . j a  v  a2s  .c  o  m*/
    boolean printHash = false;
    boolean printMarker = false;
    int retryWaitSecs = 0;

    for (argIdx = 0; argIdx < args.length; argIdx++) {
        if (args[argIdx].equals("-c")) {
            connect_timeout = Integer.parseInt(args[++argIdx]);
        } else if (args[argIdx].equals("-r")) {
            read_timeout = Integer.parseInt(args[++argIdx]);
        } else if (args[argIdx].equals("-R")) {
            retryWaitSecs = Integer.parseInt(args[++argIdx]);
        } else if (args[argIdx].equals("-LF")) {
            eol = LF;
        } else if (args[argIdx].equals("-CRLF")) {
            eol = CRLF;
        } else if (args[argIdx].equals("-.")) {
            printHash = true;
        } else if (args[argIdx].equals("-X")) {
            printMarker = true;
        } else {
            break;
        }
    }

    final int argCount = args.length - argIdx;

    if (argCount < 2) {
        System.err.println("Usage: IMAPExportMbox [-LF|-CRLF] [-c n] [-r n] [-R n] [-.] [-X]"
                + " imap[s]://user:password@host[:port]/folder/path [+|-]<mboxfile> [sequence-set] [itemnames]");
        System.err.println(
                "\t-LF | -CRLF set end-of-line to LF or CRLF (default is the line.separator system property)");
        System.err.println("\t-c connect timeout in seconds (default 10)");
        System.err.println("\t-r read timeout in seconds (default 10)");
        System.err.println("\t-R temporary failure retry wait in seconds (default 0; i.e. disabled)");
        System.err.println("\t-. print a . for each complete message received");
        System.err.println("\t-X print the X-IMAP line for each complete message received");
        System.err.println(
                "\tthe mboxfile is where the messages are stored; use '-' to write to standard output.");
        System.err.println(
                "\tPrefix file name with '+' to append to the file. Prefix with '-' to allow overwrite.");
        System.err.println(
                "\ta sequence-set is a list of numbers/number ranges e.g. 1,2,3-10,20:* - default 1:*");
        System.err
                .println("\titemnames are the message data item name(s) e.g. BODY.PEEK[HEADER.FIELDS (SUBJECT)]"
                        + " or a macro e.g. ALL - default (INTERNALDATE BODY.PEEK[])");
        System.exit(1);
    }

    final String uriString = args[argIdx++];
    URI uri;
    try {
        uri = URI.create(uriString);
    } catch (IllegalArgumentException e) { // cannot parse the path as is; let's pull it apart and try again
        Matcher m = Pattern.compile("(imaps?://[^/]+)(/.*)").matcher(uriString);
        if (m.matches()) {
            uri = URI.create(m.group(1)); // Just the scheme and auth parts
            uri = new URI(uri.getScheme(), uri.getAuthority(), m.group(2), null, null);
        } else {
            throw e;
        }
    }
    final String file = args[argIdx++];
    String sequenceSet = argCount > 2 ? args[argIdx++] : "1:*";
    final String itemNames;
    // Handle 0, 1 or multiple item names
    if (argCount > 3) {
        if (argCount > 4) {
            StringBuilder sb = new StringBuilder();
            sb.append("(");
            for (int i = 4; i <= argCount; i++) {
                if (i > 4) {
                    sb.append(" ");
                }
                sb.append(args[argIdx++]);
            }
            sb.append(")");
            itemNames = sb.toString();
        } else {
            itemNames = args[argIdx++];
        }
    } else {
        itemNames = "(INTERNALDATE BODY.PEEK[])";
    }

    final boolean checkSequence = sequenceSet.matches("\\d+:(\\d+|\\*)"); // are we expecting a sequence?
    final MboxListener chunkListener;
    if (file.equals("-")) {
        chunkListener = null;
    } else if (file.startsWith("+")) {
        final File mbox = new File(file.substring(1));
        System.out.println("Appending to file " + mbox);
        chunkListener = new MboxListener(new BufferedWriter(new FileWriter(mbox, true)), eol, printHash,
                printMarker, checkSequence);
    } else if (file.startsWith("-")) {
        final File mbox = new File(file.substring(1));
        System.out.println("Writing to file " + mbox);
        chunkListener = new MboxListener(new BufferedWriter(new FileWriter(mbox, false)), eol, printHash,
                printMarker, checkSequence);
    } else {
        final File mbox = new File(file);
        if (mbox.exists() && mbox.length() > 0) {
            throw new IOException("mailbox file: " + mbox + " already exists and is non-empty!");
        }
        System.out.println("Creating file " + mbox);
        chunkListener = new MboxListener(new BufferedWriter(new FileWriter(mbox)), eol, printHash, printMarker,
                checkSequence);
    }

    String path = uri.getPath();
    if (path == null || path.length() < 1) {
        throw new IllegalArgumentException("Invalid folderPath: '" + path + "'");
    }
    String folder = path.substring(1); // skip the leading /

    // suppress login details
    final PrintCommandListener listener = new PrintCommandListener(System.out, true) {
        @Override
        public void protocolReplyReceived(ProtocolCommandEvent event) {
            if (event.getReplyCode() != IMAPReply.PARTIAL) { // This is dealt with by the chunk listener
                super.protocolReplyReceived(event);
            }
        }
    };

    // Connect and login
    final IMAPClient imap = IMAPUtils.imapLogin(uri, connect_timeout * 1000, listener);

    String maxIndexInFolder = null;

    try {

        imap.setSoTimeout(read_timeout * 1000);

        if (!imap.select(folder)) {
            throw new IOException("Could not select folder: " + folder);
        }

        for (String line : imap.getReplyStrings()) {
            maxIndexInFolder = matches(line, PATEXISTS, 1);
            if (maxIndexInFolder != null) {
                break;
            }
        }

        if (chunkListener != null) {
            imap.setChunkListener(chunkListener);
        } // else the command listener displays the full output without processing

        while (true) {
            boolean ok = imap.fetch(sequenceSet, itemNames);
            // If the fetch failed, can we retry?
            if (!ok && retryWaitSecs > 0 && chunkListener != null && checkSequence) {
                final String replyString = imap.getReplyString(); //includes EOL
                if (startsWith(replyString, PATTEMPFAIL)) {
                    System.err.println("Temporary error detected, will retry in " + retryWaitSecs + "seconds");
                    sequenceSet = (chunkListener.lastSeq + 1) + ":*";
                    try {
                        Thread.sleep(retryWaitSecs * 1000);
                    } catch (InterruptedException e) {
                        // ignored
                    }
                } else {
                    throw new IOException(
                            "FETCH " + sequenceSet + " " + itemNames + " failed with " + replyString);
                }
            } else {
                break;
            }
        }

    } catch (IOException ioe) {
        String count = chunkListener == null ? "?" : Integer.toString(chunkListener.total);
        System.err.println("FETCH " + sequenceSet + " " + itemNames + " failed after processing " + count
                + " complete messages ");
        if (chunkListener != null) {
            System.err.println("Last complete response seen: " + chunkListener.lastFetched);
        }
        throw ioe;
    } finally {

        if (printHash) {
            System.err.println();
        }

        if (chunkListener != null) {
            chunkListener.close();
            final Iterator<String> missingIds = chunkListener.missingIds.iterator();
            if (missingIds.hasNext()) {
                StringBuilder sb = new StringBuilder();
                for (;;) {
                    sb.append(missingIds.next());
                    if (!missingIds.hasNext()) {
                        break;
                    }
                    sb.append(",");
                }
                System.err.println("*** Missing ids: " + sb.toString());
            }
        }
        imap.logout();
        imap.disconnect();
    }
    if (chunkListener != null) {
        System.out.println("Processed " + chunkListener.total + " messages.");
    }
    if (maxIndexInFolder != null) {
        System.out.println("Folder contained " + maxIndexInFolder + " messages.");
    }
}

From source file:org.apache.commons.net.examples.mail.IMAPMail.java

public static void main(String[] args) throws IOException {
    if (args.length != 1) {
        System.err.println("Usage: IMAPMail imap[s]://username:password@server/");
        System.err.println("Connects to server; lists capabilities and shows Inbox status");
        System.exit(1);//  w  w  w.  j  a v a2  s. c om
    }

    URI uri = URI.create(args[0]);

    // Connect and login
    final IMAPClient imap = IMAPUtils.imapLogin(uri, 10000, null);

    // suppress login details
    imap.addProtocolCommandListener(new PrintCommandListener(System.out, true));

    try {
        imap.setSoTimeout(6000);

        imap.capability();

        imap.select("inbox");

        imap.examine("inbox");

        imap.status("inbox", new String[] { "MESSAGES" });

        imap.list("", "*"); // Show the folders

    } catch (IOException e) {
        System.out.println(imap.getReplyString());
        e.printStackTrace();
        System.exit(10);
        return;
    } finally {
        imap.logout();
        imap.disconnect();
    }
}