ActiveMQ - stomp 프로토콜 메시지 보내기

    /**
     *  stomp JMS 
     * @param args  
     */
    public static void main(String[] args) throws Exception
    {
        StompConnection conn = new StompConnection();
        conn.open("127.0.0.1", 61613);
        conn.connect("user1", "password1");
        
        // send text message
        HashMap<String, String> txtHeaders = new HashMap<String,String>();
        txtHeaders.put(Stomp.Headers.Send.PERSISTENT, "true");
        String text = "stomp text message 1.";
        sendMessage(conn, text, txtHeaders);
        System.out.println("send: " + text);
        
        // send map message
        HashMap<String, String> mapHeaders = new HashMap<String,String>();
        mapHeaders.put(Stomp.Headers.Connect.CLIENT_ID, "client001");
        mapHeaders.put(Stomp.Headers.Send.PERSISTENT, "true");
        mapHeaders.put(Stomp.Headers.AMQ_MESSAGE_TYPE, "map");
        mapHeaders.put(Stomp.Headers.TRANSFORMATION, "jms-stomp-map-json");
        Map<String, String> map = new HashMap<String,String>();
        map.put("key1", "value1");
        map.put("key2", "value2");
        String json = JsonUtils.toJson(map);
        sendMessage(conn, json, mapHeaders);
        System.out.println("send: " + json);
        
        // disconnect
        conn.disconnect();
    }
    
    /**
     *  JMS 
     * @param conn       jms connection
     * @param message    message content
     * @param headers    message headers
     * @throws Exception exception 
     */
    private static void sendMessage(
            StompConnection conn, String message, HashMap<String, String> headers) throws Exception
    {
        String tx = UUID.randomUUID().toString().replaceAll("-", "");
        conn.begin(tx);
        conn.send(JMSInfo.STOMP_QUEUE_NAME, message, tx, headers);
        // conn.send(JMSInfo.STOMP_TOPIC_NAME, message, tx, headers);
        conn.commit(tx);
    }