Mailbox<Integer> originalMailbox = getCachedMailbox(mailbox.getMailboxId());
MaildirFolder folder = maildirStore.createMaildirFolder(mailbox);
// equals with null check
if (originalMailbox.getName() == null ? mailbox.getName() != null : !originalMailbox.getName().equals(mailbox.getName())) {
if (folder.exists())
throw new MailboxExistsException(mailbox.getName());
MaildirFolder originalFolder = maildirStore.createMaildirFolder(originalMailbox);
// renaming the INBOX means to move its contents to the new folder
if (originalMailbox.getName().equals(MailboxConstants.INBOX)) {
try {