final IdRange[] idSet = request.getIdSet();
final boolean useUids = request.isUseUids();
final SelectedMailbox currentMailbox = session.getSelected();
try {
final MailboxSession mailboxSession = ImapSessionUtils.getMailboxSession(session);
final MailboxManager mailboxManager = getMailboxManager();
final boolean mailboxExists = mailboxManager.mailboxExists(targetMailbox, mailboxSession);
if (!mailboxExists) {
no(command, tag, responder, HumanReadableText.FAILURE_NO_SUCH_MAILBOX, ResponseCode.tryCreate());
} else {
final MessageManager mailbox = mailboxManager.getMailbox(targetMailbox, mailboxSession);
List<IdRange> resultRanges = new ArrayList<IdRange>();
for (int i = 0; i < idSet.length; i++) {
MessageRange messageSet = messageRange(currentMailbox, idSet[i], useUids);
if (messageSet != null) {
List<MessageRange> copiedUids = mailboxManager.copyMessages(messageSet, currentMailbox.getPath(), targetMailbox, mailboxSession);
for (MessageRange mr : copiedUids) {
// Set recent flag on copied message as this SHOULD be
// done.
// See RFC 3501 6.4.7. COPY Command
// See IMAP-287