Example usage for org.springframework.integration.mqtt.outbound MqttPahoMessageHandler MqttPahoMessageHandler

Introduction

In this page you can find the example usage for org.springframework.integration.mqtt.outbound MqttPahoMessageHandler MqttPahoMessageHandler.

Prototype

public MqttPahoMessageHandler(String url, String clientId, MqttPahoClientFactory clientFactory) 

Source Link

Document

Use this constructor for a single url (although it may be overridden if the server URI(s) are provided by the MqttConnectOptions#getServerURIs() provided by the MqttPahoClientFactory ).

Usage

From source file:org.springframework.integration.mqtt.MqttAdapterTests.java

@Test
public void testOutboundOptionsApplied() throws Exception {
    DefaultMqttPahoClientFactory factory = new DefaultMqttPahoClientFactory();
    factory.setCleanSession(false);/*from ww w.  j  ava2s. co m*/
    factory.setConnectionTimeout(23);
    factory.setKeepAliveInterval(45);
    factory.setPassword("pass");
    MemoryPersistence persistence = new MemoryPersistence();
    factory.setPersistence(persistence);
    final SocketFactory socketFactory = mock(SocketFactory.class);
    factory.setSocketFactory(socketFactory);
    final Properties props = new Properties();
    factory.setSslProperties(props);
    factory.setUserName("user");
    Will will = new Will("foo", "bar".getBytes(), 2, true);
    factory.setWill(will);

    factory = spy(factory);
    final MqttAsyncClient client = mock(MqttAsyncClient.class);
    willAnswer(invocation -> client).given(factory).getAsyncClientInstance(anyString(), anyString());

    MqttPahoMessageHandler handler = new MqttPahoMessageHandler("foo", "bar", factory);
    handler.setDefaultTopic("mqtt-foo");
    handler.setBeanFactory(mock(BeanFactory.class));
    handler.afterPropertiesSet();
    handler.start();

    final MqttToken token = mock(MqttToken.class);
    final AtomicBoolean connectCalled = new AtomicBoolean();
    willAnswer(invocation -> {
        MqttConnectOptions options = invocation.getArgument(0);
        assertEquals(23, options.getConnectionTimeout());
        assertEquals(45, options.getKeepAliveInterval());
        assertEquals("pass", new String(options.getPassword()));
        assertSame(socketFactory, options.getSocketFactory());
        assertSame(props, options.getSSLProperties());
        assertEquals("user", options.getUserName());
        assertEquals("foo", options.getWillDestination());
        assertEquals("bar", new String(options.getWillMessage().getPayload()));
        assertEquals(2, options.getWillMessage().getQos());
        connectCalled.set(true);
        return token;
    }).given(client).connect(any(MqttConnectOptions.class));
    willReturn(token).given(client).subscribe(any(String[].class), any(int[].class));

    final MqttDeliveryToken deliveryToken = mock(MqttDeliveryToken.class);
    final AtomicBoolean publishCalled = new AtomicBoolean();
    willAnswer(invocation -> {
        assertEquals("mqtt-foo", invocation.getArguments()[0]);
        MqttMessage message = invocation.getArgument(1);
        assertEquals("Hello, world!", new String(message.getPayload()));
        publishCalled.set(true);
        return deliveryToken;
    }).given(client).publish(anyString(), any(MqttMessage.class));

    handler.handleMessage(new GenericMessage<String>("Hello, world!"));

    verify(client, times(1)).connect(any(MqttConnectOptions.class));
    assertTrue(connectCalled.get());
}

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