protected MessageConvertArray getMessagesToConvert()

in server/src/main/java/org/apache/hupa/server/service/FetchMessagesServiceImpl.java [107:161]
46 lines of code
8 McCabe index (conditional complexity)

    protected MessageConvertArray getMessagesToConvert(IMAPFolder f, FetchMessagesAction action)
            throws MessagingException, HupaException {

        String searchString = action.getSearchString();
        int start = action.getStart();
        int offset = action.getOffset();
        int end = start + offset;
        Message[] messages;
        int exists;
        // check if a searchString was given, and if so use it
        if (searchString == null) {
            exists = f.getMessageCount();

            if (end > exists) {
                end = exists;
            }

            int firstIndex = exists - end + 1;
            if (firstIndex < 1) {
                firstIndex = 1;
            }
            int lastIndex = exists - start;

            messages = f.getMessages(firstIndex, lastIndex);
        } else {
            SearchTerm subjectTerm = new SubjectTerm(searchString);
            SearchTerm fromTerm = new FromStringTerm(searchString);
            SearchTerm bodyTerm = new BodyTerm(searchString);
            SearchTerm orTerm = new OrTerm(new SearchTerm[] { subjectTerm, fromTerm, bodyTerm });
            Message[] tmpMessages = f.search(orTerm);
            if (end > tmpMessages.length) {
                end = tmpMessages.length;
            }
            exists = tmpMessages.length;

            int firstIndex = exists - end;

            if (tmpMessages.length > firstIndex) {
                List<Message> mList = new ArrayList<Message>();
                for (int i = firstIndex; i < tmpMessages.length; i++) {
                    if (i == end)
                        break;
                    mList.add(tmpMessages[i]);
                }
                messages = mList.toArray(new Message[mList.size()]);
            } else {
                messages = new Message[0];
            }

        }
        logger.debug("Fetching messages for user: " + getUser() + " returns: " + messages.length + " messages in "
                + f.getFullName());

        return new MessageConvertArray(exists, messages);
    }