protected boolean areMessagesInReverseOrder(Folder inbox) throws MessagingException {
try {
Message msgFirst = inbox.getMessage(1);
Message msgLast = inbox.getMessage(inbox.getMessageCount());
Date firstMessageDate = getDateToDetermineOrder(msgFirst);
Date lastMessageDate = getDateToDetermineOrder(msgLast);
return firstMessageDate != null
&& lastMessageDate != null
&& firstMessageDate.after(lastMessageDate);
} catch (Exception e) {
return false;
}
}
public Collection<Integer> getFirstTimeMessages(Folder inbox, String context) throws Exception {
log.debug(String.format("handling first mailcheck for %s", context));
Collection<Integer> messages = new ArrayList<Integer>();
// we need to get 5 most recent messages in this case
if (inbox.getMessageCount() > 0) {
if (areMessagesInReverseOrder(inbox)) {
log.debug(String.format("order is reverse chronological for %s", context));
for (int i = 0; i < 5; i++) {
messages.add(i + 1);
}
} else {
log.debug(String.format("order is chronological for %s", context));
for (int messageNumber = inbox.getMessageCount();
messageNumber > 0 && messageNumber > inbox.getMessageCount() - 5;
messageNumber--) {
messages.add(messageNumber);
}
}
}
return messages;
}