Examples of org.apache.james.mailbox.MessageResult

org.apache.james.mailbox.MessageResult
Used to get specific informations about a Message without dealing with a MimeMessage instance. Demanded information can be requested by binary combining the constants.

I came to the Idea of the MessageResult because there are many possible combinations of different requests (uid, msn, MimeMessage, Flags).

e.g. I want to have all uids, msns and flags of all messages. (a common IMAP operation) Javamail would do it that way:
1. get all Message objects (Message[])
2. call Message.getMessageNumber()
3. call Message.getFlags()
4. call Folder.getUid(Message)
This means creating a lazy-loading MimeMessage instance.
So why don't call getMessages(MessageResult.UID | MessageResult.MSN | MessageResult.FLAGS)? This would leave a lot of room for the implementation to optimize


    private void addFlagsResponses(final ImapSession session, final SelectedMailbox selected, final ImapProcessor.Responder responder, boolean useUid, MessageRange messageSet, MessageManager mailbox, MailboxSession mailboxSession) throws MailboxException {


        final Iterator<MessageResult> it = mailbox.getMessages(messageSet, FetchGroupImpl.MINIMAL, mailboxSession);
        while (it.hasNext()) {
            MessageResult mr = it.next();
            final long uid = mr.getUid();
            int msn = selected.msn(uid);
            if (msn == SelectedMailbox.NO_SUCH_MESSAGE)
                throw new MailboxException("No message found with uid " + uid);


            final Flags flags = mr.getFlags();
            final Long uidOut;
            if (useUid) {
                uidOut = uid;
            } else {
                uidOut = null;

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        Iterator<MessageResult> messages = mailbox.getMessages(MessageRange.all(), FetchGroupImpl.MINIMAL, mailboxSession);
        Flags applicableFlags = new Flags(flags);
        List<Long> uids = new ArrayList<Long>();
        while(messages.hasNext()) {
            MessageResult mr = messages.next();
            applicableFlags.add(mr.getFlags());
            uids.add(mr.getUid());
        }
        
        
        // \RECENT is not a applicable flag in imap so remove it from the list
        applicableFlags.remove(Flags.Flag.RECENT);

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    public MessageResult next() {
        if (hasNext() == false) {
            throw new NoSuchElementException("No such element.");
        }
        final Message<Id> message = messages.next();
        MessageResult result;
        try {


            result = ResultUtils.loadMessageResult(message, this.fetchGroup);
        } catch (MailboxException e) {
            result = new UnloadedMessageResult<Id>(message, e);

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Related Classes of org.apache.james.mailbox.MessageResult

org.apache.james.imap.processor.AbstractMailboxProcessor

org.apache.james.imap.processor.AbstractSelectionProcessor

org.apache.james.imap.processor.fetch.FetchProcessor

org.apache.james.mailbox.copier.MailboxCopierImpl

org.apache.james.mailbox.store.ResultIterator

org.apache.james.pop3server.core.ListCmdHandler

org.apache.james.pop3server.core.RetrCmdHandler

org.apache.james.pop3server.core.StatCmdHandler

org.apache.james.pop3server.core.TopCmdHandler

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