@Override
    public void execute(final CommandLine commandLine, final Options options,
        RPCHook rpcHook) throws SubCommandException {
        DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);

        defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));

        try {
            defaultMQAdminExt.start();
            String topic = commandLine.getOptionValue('t').trim();
            TopicStatsTable topicStatsTable = defaultMQAdminExt.examineTopicStats(topic);

            List<MessageQueue> mqList = new LinkedList<>();
            mqList.addAll(topicStatsTable.getOffsetTable().keySet());
            Collections.sort(mqList);

            System.out.printf("%-32s  %-4s  %-20s  %-20s    %s%n",
                "#Broker Name",
                "#QID",
                "#Min Offset",
                "#Max Offset",
                "#Last Updated"
            );

            for (MessageQueue mq : mqList) {
                TopicOffset topicOffset = topicStatsTable.getOffsetTable().get(mq);

                String humanTimestamp = "";
                if (topicOffset.getLastUpdateTimestamp() > 0) {
                    humanTimestamp = UtilAll.timeMillisToHumanString2(topicOffset.getLastUpdateTimestamp());
                }

                System.out.printf("%-32s  %-4d  %-20d  %-20d    %s%n",
                    UtilAll.frontStringAtLeast(mq.getBrokerName(), 32),
                    mq.getQueueId(),
                    topicOffset.getMinOffset(),
                    topicOffset.getMaxOffset(),
                    humanTimestamp
                );
            }
        } catch (Exception e) {
            throw new SubCommandException(this.getClass().getSimpleName() + " command failed", e);
        } finally {
            defaultMQAdminExt.shutdown();
        }
    }
@Test
    public void testExecute() {
        TopicStatusSubCommand cmd = new TopicStatusSubCommand();
        Options options = ServerUtil.buildCommandlineOptions(new Options());
        String[] subargs = new String[] {"-t unit-test"};
        final CommandLine commandLine =
            ServerUtil.parseCmdLine("mqadmin " + cmd.commandName(), subargs,
                cmd.buildCommandlineOptions(options), new DefaultParser());
        assertThat(commandLine.getOptionValue('t').trim()).isEqualTo("unit-test");
    }