s

   public MessageSenderGateway(String queueName) {
        if (queueName != null) {
            try {
                Properties props = new Properties();
                props.setProperty("java.naming.factory.initial", "org.apache.activemq.jndi.ActiveMQInitialContextFactory");
                props.setProperty("java.naming.provider.url", "tcp://localhost:61616");
                props.put("queue." + queueName, queueName);
                Context jndiContext = new InitialContext(props);
                ConnectionFactory connectionFactory = (ConnectionFactory)jndiContext.lookup("ConnectionFactory");
                this.connection = connectionFactory.createConnection();
                this.session = this.connection.createSession(false, 1);
                this.producer = this.session.createProducer((Destination)null);
                this.destination = (Destination)jndiContext.lookup(queueName);
                this.connection.start();
            } catch (JMSException | NamingException e) {
                e.printStackTrace();
            }
        }

    }


 public MessageReceiverGateway(String queueName) {
        if (queueName != null) {
            try {
                Properties props = new Properties();
                props.setProperty("java.naming.factory.initial", "org.apache.activemq.jndi.ActiveMQInitialContextFactory");
                props.setProperty("java.naming.provider.url", "tcp://localhost:61616");
                props.put("queue." + queueName, queueName);
                Context jndiContext = new InitialContext(props);
                ConnectionFactory connectionFactory = (ConnectionFactory)jndiContext.lookup("ConnectionFactory");
                this.connection = connectionFactory.createConnection();
                this.session = this.connection.createSession(false, 1);
                this.destination = (Destination)jndiContext.lookup(queueName);
                this.consumer = this.session.createConsumer(this.destination);
                this.connection.start();
            } catch (JMSException | NamingException e) {
               e.printStackTrace();
            }
        }

    }