Examples with MethodInvokingMessageHandler org.springframework.integration.handler.MethodInvokingMessageHandler used on opensource projects

Example 1 with MethodInvokingMessageHandler

use of org.springframework.integration.handler.MethodInvokingMessageHandler in project spring-integration by spring-projects.

the class MethodInvokingMessageHandlerTests method subscription.

@Test
public void subscription() throws Exception {
    TestApplicationContext context = TestUtils.createTestApplicationContext();
    SynchronousQueue<String> queue = new SynchronousQueue<String>();
    TestBean testBean = new TestBean(queue);
    QueueChannel channel = new QueueChannel();
    context.registerChannel("channel", channel);
    Message<String> message = new GenericMessage<String>("testing");
    channel.send(message);
    assertNull(queue.poll());
    MethodInvokingMessageHandler handler = new MethodInvokingMessageHandler(testBean, "foo");
    PollingConsumer endpoint = new PollingConsumer(channel, handler);
    endpoint.setTrigger(new PeriodicTrigger(10));
    context.registerEndpoint("testEndpoint", endpoint);
    context.refresh();
    String result = queue.poll(2000, TimeUnit.MILLISECONDS);
    assertNotNull(result);
    assertEquals("testing", result);
    context.stop();
}

Example 2 with MethodInvokingMessageHandler

use of org.springframework.integration.handler.MethodInvokingMessageHandler in project spring-integration by spring-projects.

the class ReactiveStreamsConsumerTests method testReactiveStreamsConsumerFluxMessageChannel.

@Test
public void testReactiveStreamsConsumerFluxMessageChannel() throws InterruptedException {
    FluxMessageChannel testChannel = new FluxMessageChannel();
    List<Message<?>> result = new LinkedList<>();
    CountDownLatch stopLatch = new CountDownLatch(2);
    MessageHandler messageHandler = m -> {
        result.add(m);
        stopLatch.countDown();
    };
    MessageHandler testSubscriber = new MethodInvokingMessageHandler(messageHandler, (String) null);
    ReactiveStreamsConsumer reactiveConsumer = new ReactiveStreamsConsumer(testChannel, testSubscriber);
    reactiveConsumer.setBeanFactory(mock(BeanFactory.class));
    reactiveConsumer.afterPropertiesSet();
    reactiveConsumer.start();
    Message<?> testMessage = new GenericMessage<>("test");
    testChannel.send(testMessage);
    reactiveConsumer.stop();
    try {
        testChannel.send(testMessage);
    } catch (Exception e) {
        assertThat(e, instanceOf(MessageDeliveryException.class));
        assertThat(e.getCause(), instanceOf(IllegalStateException.class));
        assertThat(e.getMessage(), containsString("doesn't have subscribers to accept messages"));
    }
    reactiveConsumer.start();
    Message<?> testMessage2 = new GenericMessage<>("test2");
    testChannel.send(testMessage2);
    assertTrue(stopLatch.await(10, TimeUnit.SECONDS));
    assertThat(result, Matchers.<Message<?>>contains(testMessage, testMessage2));
}

Example 3 with MethodInvokingMessageHandler

use of org.springframework.integration.handler.MethodInvokingMessageHandler in project spring-integration by spring-projects.

the class MethodInvokingMessageHandlerTests method validMethod.

@Test
public void validMethod() {
    MethodInvokingMessageHandler handler = new MethodInvokingMessageHandler(new TestSink(), "validMethod");
    handler.handleMessage(new GenericMessage<String>("test"));
}

Example 4 with MethodInvokingMessageHandler

use of org.springframework.integration.handler.MethodInvokingMessageHandler in project spring-integration by spring-projects.

the class MethodInvokingMessageHandlerTests method methodWithReturnValue.

@Test(expected = MessagingException.class)
public void methodWithReturnValue() {
    Message<?> message = new GenericMessage<String>("test");
    try {
        MethodInvokingMessageHandler handler = new MethodInvokingMessageHandler(new TestSink(), "methodWithReturnValue");
        handler.handleMessage(message);
    } catch (MessagingException e) {
        assertEquals(e.getFailedMessage(), message);
        throw e;
    }
}