Method doCommand

app/src/main/java/eu/faircode/email/Core.java:207–215

(IMAPProtocol protocol)

                        try {
                            ((IMAPFolder) ifolder).doCommand(new IMAPFolder.ProtocolCommand() {
                                @Override
                                public Object doCommand(IMAPProtocol protocol) throws ProtocolException {
                                    long ago = System.currentTimeMillis() - protocol.getTimestamp();
                                    if (ago > 20000) {
                                        Log.i("NOOP ago=" + ago + " ms");
                                        protocol.noop();
                                    }
                                    return null;
                                }
                            });
                        } catch (MessagingException ex) {
                            throw new FolderClosedException(ifolder, account.name + "/" + folder.name + " unexpectedly closed", ex);