Examples with GenericMessage org.springframework.messaging.support.GenericMessage used on opensource projects

Example 1 with GenericMessage

use of org.springframework.messaging.support.GenericMessage in project spring-framework by spring-projects.

the class GenericMessagingTemplateTests method sendAndReceive.

@Test
public void sendAndReceive() {
    SubscribableChannel channel = new ExecutorSubscribableChannel(this.executor);
    channel.subscribe(new MessageHandler() {

        @Override
        public void handleMessage(Message<?> message) throws MessagingException {
            MessageChannel replyChannel = (MessageChannel) message.getHeaders().getReplyChannel();
            replyChannel.send(new GenericMessage<>("response"));
        }
    });
    String actual = this.template.convertSendAndReceive(channel, "request", String.class);
    assertEquals("response", actual);
}

Example 2 with GenericMessage

use of org.springframework.messaging.support.GenericMessage in project spring-framework by spring-projects.

the class MessageReceivingTemplateTests method receiveAndConvertNoConverter.

@Test
public void receiveAndConvertNoConverter() {
    Message<?> expected = new GenericMessage<Object>("payload");
    this.template.setDefaultDestination("home");
    this.template.setReceiveMessage(expected);
    this.template.setMessageConverter(new GenericMessageConverter());
    try {
        this.template.receiveAndConvert(Writer.class);
    } catch (MessageConversionException ex) {
        assertTrue("Invalid exception message '" + ex.getMessage() + "'", ex.getMessage().contains("payload"));
        assertSame(expected, ex.getFailedMessage());
    }
}

Example 3 with GenericMessage

use of org.springframework.messaging.support.GenericMessage in project spring-framework by spring-projects.

the class MessageMethodArgumentResolverTests method resolveWithWrongMessageType.

@Test
public void resolveWithWrongMessageType() throws Exception {
    UnsupportedOperationException ex = new UnsupportedOperationException();
    Message<? extends Throwable> message = new GenericMessage<Throwable>(ex);
    MethodParameter parameter = new MethodParameter(this.method, 4);
    assertTrue(this.resolver.supportsParameter(parameter));
    thrown.expect(MethodArgumentTypeMismatchException.class);
    thrown.expectMessage(ErrorMessage.class.getName());
    thrown.expectMessage(GenericMessage.class.getName());
    assertSame(message, this.resolver.resolveArgument(parameter, message));
}

Example 4 with GenericMessage

use of org.springframework.messaging.support.GenericMessage in project spring-framework by spring-projects.

the class GenericMessagingTemplateTests method sendAndReceiveTimeout.

@Test
public void sendAndReceiveTimeout() throws InterruptedException {
    final AtomicReference<Throwable> failure = new AtomicReference<Throwable>();
    final CountDownLatch latch = new CountDownLatch(1);
    this.template.setReceiveTimeout(1);
    this.template.setThrowExceptionOnLateReply(true);
    SubscribableChannel channel = new ExecutorSubscribableChannel(this.executor);
    channel.subscribe(new MessageHandler() {

        @Override
        public void handleMessage(Message<?> message) throws MessagingException {
            try {
                Thread.sleep(500);
                MessageChannel replyChannel = (MessageChannel) message.getHeaders().getReplyChannel();
                replyChannel.send(new GenericMessage<>("response"));
                failure.set(new IllegalStateException("Expected exception"));
            } catch (InterruptedException e) {
                failure.set(e);
            } catch (MessageDeliveryException ex) {
                String expected = "Reply message received but the receiving thread has exited due to a timeout";
                String actual = ex.getMessage();
                if (!expected.equals(actual)) {
                    failure.set(new IllegalStateException("Unexpected error: '" + actual + "'"));
                }
            } finally {
                latch.countDown();
            }
        }
    });
    assertNull(this.template.convertSendAndReceive(channel, "request", String.class));
    assertTrue(latch.await(1000, TimeUnit.MILLISECONDS));
    Throwable ex = failure.get();
    if (ex != null) {
        throw new AssertionError(ex);
    }
}

Example 5 with GenericMessage

use of org.springframework.messaging.support.GenericMessage in project camel by apache.

the class SpringIntegrationConverter method toSpringMessage.

@Converter
public static org.springframework.messaging.Message<?> toSpringMessage(final org.apache.camel.Message camelMessage) throws Exception {
    if (camelMessage instanceof SpringIntegrationMessage) {
        SpringIntegrationMessage siMessage = (SpringIntegrationMessage) camelMessage;
        org.springframework.messaging.Message<?> message = siMessage.getMessage();
        if (message != null) {
            return message;
        }
    }
    // Create a new spring message and copy the attributes and body from the camel message
    MessageHeaders messageHeaders = new MessageHeaders(camelMessage.getHeaders());
    return new GenericMessage<Object>(camelMessage.getBody(), messageHeaders);
}