Example usage for javax.mail UIDFolder getUIDValidity

List of usage examples for javax.mail UIDFolder getUIDValidity

Introduction

In this page you can find the example usage for javax.mail UIDFolder getUIDValidity.

Prototype

public long getUIDValidity() throws MessagingException;

Source Link

Document

Returns the UIDValidity value associated with this folder.

Usage

From source file:de.saly.elasticsearch.mailsource.ParallelPollingIMAPMailSource.java

@SuppressWarnings({ "rawtypes", "unchecked" })
protected void fetch(final Folder folder) throws MessagingException, IOException {

    if ((folder.getType() & Folder.HOLDS_MESSAGES) == 0) {
        logger.warn("Folder {} cannot hold messages", folder.getFullName());
        return;//from w  ww. j a v  a2  s . c o  m

    }

    final int messageCount = folder.getMessageCount();

    final UIDFolder uidfolder = (UIDFolder) folder;
    final long servervalidity = uidfolder.getUIDValidity();
    final RiverState riverState = stateManager.getRiverState(folder);
    final Long localvalidity = riverState.getUidValidity();

    logger.info("Fetch mails from folder {} ({})", folder.getURLName().toString(), messageCount);

    logger.debug("Server uid validity: {}, Local uid validity: {}", servervalidity, localvalidity);

    if (localvalidity == null || localvalidity.longValue() != servervalidity) {

        logger.debug("UIDValidity fail, full resync " + localvalidity + "!=" + servervalidity);

        if (localvalidity != null) {
            mailDestination.clearDataForFolder(folder.getFullName());
        }

        final ProcessResult result = process(messageCount, 1, folder.getFullName());

        riverState.setLastCount(result.getProcessedCount());

        if (result.getProcessedCount() > 0) {
            riverState.setLastIndexed(new Date());
        }

        if (result.getProcessedCount() > 0) {
            riverState.setLastTook(result.getTook());
        }

        riverState.setLastSchedule(new Date());

        if (result.getProcessedCount() > 0 && result.getHighestUid() > 0) {
            riverState.setLastUid(result.getHighestUid());
        }

        riverState.setUidValidity(servervalidity);
        stateManager.setRiverState(riverState);

        logger.info("Initiailly processed {} mails for folder {}", result.getProcessedCount(),
                folder.getFullName());
        logger.debug("Processed result {}", result.toString());

    } else {

        if (messageCount == 0) {
            logger.debug("Folder {} is empty", folder.getFullName());
        } else {

            if (withFlagSync) {
                // detect flag change
                final Message[] flagMessages = folder.getMessages();
                folder.fetch(flagMessages, IMAPUtils.FETCH_PROFILE_FLAGS_UID);

                for (final Message message : flagMessages) {
                    try {

                        final long uid = ((UIDFolder) message.getFolder()).getUID(message);

                        final String id = uid + "::" + message.getFolder().getURLName();

                        final int storedHashcode = mailDestination.getFlaghashcode(id);

                        if (storedHashcode == -1) {
                            // New mail which is not indexed yet
                            continue;
                        }

                        final int flagHashcode = message.getFlags().hashCode();

                        if (flagHashcode != storedHashcode) {
                            // flags change for this message, must update
                            mailDestination.onMessage(message);

                            if (logger.isDebugEnabled()) {
                                logger.debug("Update " + id + " because of flag change");
                            }
                        }
                    } catch (final Exception e) {
                        logger.error("Error detecting flagchanges for message "
                                + ((MimeMessage) message).getMessageID(), e);
                        stateManager.onError("Error detecting flagchanges", message, e);
                    }
                }
            }

            final long highestUID = riverState.getLastUid(); // this uid is
                                                             // already
                                                             // processed

            logger.debug("highestUID: {}", highestUID);

            final Message[] msgsnew = uidfolder.getMessagesByUID(highestUID, UIDFolder.LASTUID);

            // msgnew.size is always >= 1
            if (highestUID > 0 && uidfolder.getUID(msgsnew[0]) <= highestUID) {
                // msgsnew = (Message[]) ArrayUtils.remove(msgsnew, 0);
            }

            if (msgsnew.length > 0) {

                logger.info("{} new messages in folder {}", msgsnew.length, folder.getFullName());

                final int start = msgsnew[0].getMessageNumber();

                final ProcessResult result = process(messageCount, start, folder.getFullName());

                riverState.setLastCount(result.getProcessedCount());

                if (result.getProcessedCount() > 0) {
                    riverState.setLastIndexed(new Date());
                }

                if (result.getProcessedCount() > 0) {
                    riverState.setLastTook(result.getTook());
                }

                riverState.setLastSchedule(new Date());

                if (result.getProcessedCount() > 0 && result.getHighestUid() > 0) {
                    riverState.setLastUid(result.getHighestUid());
                }

                riverState.setUidValidity(servervalidity);
                stateManager.setRiverState(riverState);

                logger.info("Not initiailly processed {} mails for folder {}", result.getProcessedCount(),
                        folder.getFullName());
                logger.debug("Processed result {}", result.toString());
            } else {
                logger.debug("no new messages");
            }

        }
        // check for expunged/deleted messages

        final Set<Long> serverMailSet = new HashSet<Long>();

        final long oldmailUid = riverState.getLastUid();
        logger.debug("oldmailuid {}", oldmailUid);

        final Message[] msgsold = uidfolder.getMessagesByUID(1, oldmailUid);

        folder.fetch(msgsold, IMAPUtils.FETCH_PROFILE_UID);

        for (final Message m : msgsold) {
            try {
                final long uid = uidfolder.getUID(m);
                serverMailSet.add(uid);

            } catch (final Exception e) {
                stateManager.onError("Unable to handle old message ", m, e);
                logger.error("Unable to handle old message due to {}", e, e.toString());

                IMAPUtils.open(folder);
            }
        }

        final Set localMailSet = new HashSet(
                mailDestination.getCurrentlyStoredMessageUids(folder.getFullName(), false));

        logger.debug("Check now " + localMailSet.size() + " server mails for expunge");

        localMailSet.removeAll(serverMailSet);
        // localMailSet has now the ones that are not on server

        logger.info(
                localMailSet.size() + " messages were locally deleted, because they are expunged on server.");

        mailDestination.onMessageDeletes(localMailSet, folder.getFullName(), false);

    }

}

From source file:de.saly.elasticsearch.importer.imap.mailsource.ParallelPollingIMAPMailSource.java

@SuppressWarnings({ "rawtypes", "unchecked" })
protected void fetch(final Folder folder) throws MessagingException, IOException {

    if ((folder.getType() & Folder.HOLDS_MESSAGES) == 0) {
        logger.warn("Folder {} cannot hold messages", folder.getFullName());
        return;// www  .jav  a2  s .c o m

    }

    final int messageCount = folder.getMessageCount();

    final UIDFolder uidfolder = (UIDFolder) folder;
    final long servervalidity = uidfolder.getUIDValidity();
    final State riverState = stateManager.getRiverState(folder);
    final Long localvalidity = riverState.getUidValidity();

    logger.info("Fetch mails from folder {} ({})", folder.getURLName().toString(), messageCount);

    logger.debug("Server uid validity: {}, Local uid validity: {}", servervalidity, localvalidity);

    if (localvalidity == null || localvalidity.longValue() != servervalidity) {
        logger.debug("UIDValidity fail, full resync " + localvalidity + "!=" + servervalidity);

        if (localvalidity != null) {
            mailDestination.clearDataForFolder(folder);
        }

        final ProcessResult result = process(messageCount, 1, folder.getFullName());

        riverState.setLastCount(result.getProcessedCount());

        if (result.getProcessedCount() > 0) {
            riverState.setLastIndexed(new Date());
        }

        if (result.getProcessedCount() > 0) {
            riverState.setLastTook(result.getTook());
        }

        riverState.setLastSchedule(new Date());

        if (result.getProcessedCount() > 0 && result.getHighestUid() > 0) {
            riverState.setLastUid(result.getHighestUid());
        }

        riverState.setUidValidity(servervalidity);
        stateManager.setRiverState(riverState);

        logger.info("Initiailly processed {} mails for folder {}", result.getProcessedCount(),
                folder.getFullName());
        logger.debug("Processed result {}", result.toString());

    } else {

        if (messageCount == 0) {
            logger.debug("Folder {} is empty", folder.getFullName());
        } else {

            if (withFlagSync) {
                // detect flag change
                final Message[] flagMessages = folder.getMessages();
                folder.fetch(flagMessages, IMAPUtils.FETCH_PROFILE_FLAGS_UID);

                for (final Message message : flagMessages) {
                    try {

                        final long uid = ((UIDFolder) message.getFolder()).getUID(message);

                        final String id = uid + "::" + message.getFolder().getURLName();

                        final int storedHashcode = mailDestination.getFlaghashcode(id);

                        if (storedHashcode == -1) {
                            // New mail which is not indexed yet
                            continue;
                        }

                        final int flagHashcode = message.getFlags().hashCode();

                        if (flagHashcode != storedHashcode) {
                            // flags change for this message, must update
                            mailDestination.onMessage(message);

                            if (logger.isDebugEnabled()) {
                                logger.debug("Update " + id + " because of flag change");
                            }
                        }
                    } catch (final Exception e) {
                        logger.error("Error detecting flagchanges for message "
                                + ((MimeMessage) message).getMessageID(), e);
                        stateManager.onError("Error detecting flagchanges", message, e);
                    }
                }
            }

            long highestUID = riverState.getLastUid(); // this uid is
                                                       // already
                                                       // processed

            logger.debug("highestUID: {}", highestUID);

            if (highestUID < 1) {
                logger.error("highestUID: {} not valid, set it to 1", highestUID);
                highestUID = 1;
            }

            Message[] msgsnew = uidfolder.getMessagesByUID(highestUID, UIDFolder.LASTUID);

            if (msgsnew.length > 0) {

                System.out.println("lastuid: " + uidfolder.getUID(msgsnew[msgsnew.length - 1]));

                // msgnew.size is always >= 1
                if (highestUID > 1 && uidfolder.getUID(msgsnew[msgsnew.length - 1]) <= highestUID) {
                    msgsnew = (Message[]) ArrayUtils.remove(msgsnew, msgsnew.length - 1);
                }

                if (msgsnew.length > 0) {

                    logger.info("{} new messages in folder {}", msgsnew.length, folder.getFullName());

                    final int start = msgsnew[0].getMessageNumber();

                    final ProcessResult result = process(messageCount, start, folder.getFullName());

                    riverState.setLastCount(result.getProcessedCount());

                    if (result.getProcessedCount() > 0) {
                        riverState.setLastIndexed(new Date());
                    }

                    if (result.getProcessedCount() > 0) {
                        riverState.setLastTook(result.getTook());
                    }

                    riverState.setLastSchedule(new Date());

                    if (result.getProcessedCount() > 0 && result.getHighestUid() > 0) {
                        riverState.setLastUid(result.getHighestUid());
                    }

                    riverState.setUidValidity(servervalidity);
                    stateManager.setRiverState(riverState);

                    logger.info("Not initiailly processed {} mails for folder {}", result.getProcessedCount(),
                            folder.getFullName());
                    logger.debug("Processed result {}", result.toString());
                } else {
                    logger.debug("no new messages");
                }
            } else {
                logger.debug("no new messages");
            }

        }
        // check for expunged/deleted messages
        final Set<Long> serverMailSet = new HashSet<Long>();

        final long oldmailUid = riverState.getLastUid();
        logger.debug("oldmailuid {}", oldmailUid);

        final Message[] msgsold = uidfolder.getMessagesByUID(1, oldmailUid);

        folder.fetch(msgsold, IMAPUtils.FETCH_PROFILE_UID);

        for (final Message m : msgsold) {
            try {
                final long uid = uidfolder.getUID(m);
                serverMailSet.add(uid);

            } catch (final Exception e) {
                stateManager.onError("Unable to handle old message ", m, e);
                logger.error("Unable to handle old message due to {}", e, e.toString());

                IMAPUtils.open(folder);
            }
        }

        if (deleteExpungedMessages) {

            final Set localMailSet = new HashSet(mailDestination.getCurrentlyStoredMessageUids(folder));

            logger.debug("Check now " + localMailSet.size() + " server mails for expunge");

            localMailSet.removeAll(serverMailSet);
            // localMailSet has now the ones that are not on server             

            logger.info(localMailSet.size()
                    + " messages were locally deleted, because they are expunged on server.");

            mailDestination.onMessageDeletes(localMailSet, folder);

        }

    }

}