Package org.fusesource.mqtt.client

Examples of org.fusesource.mqtt.client.Topic

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        mqtt.setCleanSession(true);

        BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();

        Topic[] topics = {new Topic(utf8("a/#"), QoS.values()[AT_MOST_ONCE])};
        connection.subscribe(topics);
        String payload = "Test Message";
        String publishedTopic = "a/b/1.2.3*4>";
        connection.publish(publishedTopic, payload.getBytes(), QoS.values()[AT_MOST_ONCE], false);

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        String[] topics = { "TopicA", "/TopicA", "/", "TopicA/", "//" };
        for (String topic : topics) {
            // test retained message
            connection.publish(topic, (RETAINED + topic).getBytes(), QoS.AT_LEAST_ONCE, true);

            connection.subscribe(new Topic[] { new Topic(topic, QoS.AT_LEAST_ONCE) });
            Message msg = connection.receive(5, TimeUnit.SECONDS);
            assertNotNull("No message for " + topic, msg);
            assertEquals(RETAINED + topic, new String(msg.getPayload()));
            msg.ack();

            // test non-retained message
            connection.publish(topic, topic.getBytes(), QoS.AT_LEAST_ONCE, false);
            msg = connection.receive(1000, TimeUnit.MILLISECONDS);
            assertNotNull(msg);
            assertEquals(topic, new String(msg.getPayload()));
            msg.ack();

            connection.unsubscribe(new String[] { topic });
        }
        connection.disconnect();

        // test wildcard patterns with above topics
        String[] wildcards = { "#", "+", "+/#", "/+", "+/", "+/+", "+/+/", "+/+/+" };
        for (String wildcard : wildcards) {
            final Pattern pattern = Pattern.compile(wildcard.replaceAll("/?#", "(/?.*)*").replaceAll("\\+", "[^/]*"));

            connection = mqtt.blockingConnection();
            connection.connect();
            final byte[] qos = connection.subscribe(new Topic[]{new Topic(wildcard, QoS.AT_LEAST_ONCE)});
            assertNotEquals("Subscribe failed " + wildcard, (byte)0x80, qos[0]);

            // test retained messages
            Message msg = connection.receive(5, TimeUnit.SECONDS);
            do {
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            });

            final BlockingConnection connection = mqtt.blockingConnection();
            connection.connect();
            connection.publish(topic, topic.getBytes(), QoS.EXACTLY_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(topic, QoS.valueOf(topic))});

            final Message msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull(msg);
            assertEquals(topic, new String(msg.getPayload()));
            int waitCount = 0;
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        final String RETAIN = "RETAIN";
        connection.publish("TopicA", RETAIN.getBytes(), QoS.EXACTLY_ONCE, true);

        QoS[] qoss = { QoS.AT_MOST_ONCE, QoS.AT_MOST_ONCE, QoS.AT_LEAST_ONCE, QoS.EXACTLY_ONCE };
        for (QoS qos : qoss) {
            connection.subscribe(new Topic[]{new Topic("TopicA", qos)});

            final Message msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No message for " + qos, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
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            BlockingConnection connection = mqtt.blockingConnection();
            connection.connect();

            // set retained message and check
            connection.publish(TOPICA, RETAIN.getBytes(), QoS.EXACTLY_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            Message msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No retained message for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(500, TimeUnit.MILLISECONDS));

            // test duplicate subscription
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(15000, TimeUnit.MILLISECONDS);
            assertNotNull("No retained message on duplicate subscription for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(500, TimeUnit.MILLISECONDS));
            connection.unsubscribe(new String[]{TOPICA});

            // clear retained message and check that we don't receive it
            connection.publish(TOPICA, "".getBytes(), QoS.AT_MOST_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(500, TimeUnit.MILLISECONDS);
            assertNull("Retained message not cleared for " + clientId, msg);
            connection.unsubscribe(new String[]{TOPICA});

            // set retained message again and check
            connection.publish(TOPICA, RETAIN.getBytes(), QoS.EXACTLY_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No reset retained message for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(500, TimeUnit.MILLISECONDS));

            // re-connect and check
            connection.disconnect();
            connection = mqtt.blockingConnection();
            connection.connect();
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No reset retained message for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(500, TimeUnit.MILLISECONDS));
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            BlockingConnection connection = mqtt.blockingConnection();
            connection.connect();

            // set retained message and check
            connection.publish(TOPICA, RETAIN.getBytes(), QoS.EXACTLY_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            Message msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No retained message for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(500, TimeUnit.MILLISECONDS));

            // test duplicate subscription
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(15000, TimeUnit.MILLISECONDS);
            assertNotNull("No retained message on duplicate subscription for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(500, TimeUnit.MILLISECONDS));
            connection.unsubscribe(new String[]{TOPICA});

            // clear retained message and check that we don't receive it
            connection.publish(TOPICA, "".getBytes(), QoS.AT_MOST_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(500, TimeUnit.MILLISECONDS);
            assertNull("Retained message not cleared for " + clientId, msg);
            connection.unsubscribe(new String[]{TOPICA});

            // set retained message again and check
            connection.publish(TOPICA, RETAIN.getBytes(), QoS.EXACTLY_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No reset retained message for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(500, TimeUnit.MILLISECONDS));

            // re-connect and check
            connection.disconnect();
            connection = mqtt.blockingConnection();
            connection.connect();
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No reset retained message for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(500, TimeUnit.MILLISECONDS));
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        // publish retained message
        connection.publish(TOPIC, TOPIC.getBytes(), QoS.EXACTLY_ONCE, true);

        String[] subs = { TOPIC, "TopicA/#", "TopicA/+" };
        for (int i = 0; i < qoss.length; i++) {
            connection.subscribe(new Topic[] { new Topic(subs[i], qoss[i]) });
        }

        // publish non-retained message
        connection.publish(TOPIC, TOPIC.getBytes(), QoS.EXACTLY_ONCE, false);
        int received = 0;
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        BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();
        final String TOPIC = "TopicA/";
        final String[] topics = new String[] { TOPIC, "TopicA/+" };
        connection.subscribe(new Topic[] { new Topic(topics[0], QoS.AT_LEAST_ONCE), new Topic(topics[1], QoS.EXACTLY_ONCE) });

        // publish non-retained message
        connection.publish(TOPIC, TOPIC.getBytes(), QoS.EXACTLY_ONCE, false);

        Wait.waitFor(new Wait.Condition() {
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        });

        BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();
        final String TOPIC = "TopicA/";
        connection.subscribe(new Topic[] { new Topic(TOPIC, QoS.EXACTLY_ONCE) });

        // publish non-retained messages
        final int TOTAL_MESSAGES = 10;
        for (int i = 0; i < TOTAL_MESSAGES; i++) {
            connection.publish(TOPIC, TOPIC.getBytes(), QoS.EXACTLY_ONCE, false);
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        final Random random = new Random();
        for (short i = 0; i < 10; i++) {
            BlockingConnection connection = mqtts[random.nextInt(cleanClientIds.length)].blockingConnection();
            connection.connect();
            final String TOPIC = "TopicA/";
            connection.subscribe(new Topic[] { new Topic(TOPIC, QoS.EXACTLY_ONCE) });

            // publish non-retained message
            connection.publish(TOPIC, TOPIC.getBytes(), QoS.EXACTLY_ONCE, false);
            Message msg = connection.receive(1000, TimeUnit.MILLISECONDS);
            assertNotNull(msg);
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