Example usage for org.springframework.messaging.support MessageBuilder withPayload

List of usage examples for org.springframework.messaging.support MessageBuilder withPayload

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Introduction

In this page you can find the example usage for org.springframework.messaging.support MessageBuilder withPayload.

Prototype

public static <T> MessageBuilder<T> withPayload(T payload)

Source Link

Document

Create a new builder for a message with the given payload.

Usage

From source file:org.springframework.cloud.stream.binder.kafka.streams.KafkaStreamsStreamListenerSetupMethodOrchestrator.java

private KStream<?, ?> getkStream(String inboundName, KafkaStreamsStateStoreProperties storeSpec,
        BindingProperties bindingProperties, StreamsBuilder streamsBuilder, Serde<?> keySerde,
        Serde<?> valueSerde, Topology.AutoOffsetReset autoOffsetReset) {
    if (storeSpec != null) {
        StoreBuilder storeBuilder = buildStateStore(storeSpec);
        streamsBuilder.addStateStore(storeBuilder);
        if (LOG.isInfoEnabled()) {
            LOG.info("state store " + storeBuilder.name() + " added to topology");
        }/*from  www .ja  v a 2  s .  c  o  m*/
    }
    String[] bindingTargets = StringUtils
            .commaDelimitedListToStringArray(this.bindingServiceProperties.getBindingDestination(inboundName));

    KStream<?, ?> stream = streamsBuilder.stream(Arrays.asList(bindingTargets),
            Consumed.with(keySerde, valueSerde).withOffsetResetPolicy(autoOffsetReset));
    final boolean nativeDecoding = this.bindingServiceProperties.getConsumerProperties(inboundName)
            .isUseNativeDecoding();
    if (nativeDecoding) {
        LOG.info("Native decoding is enabled for " + inboundName
                + ". Inbound deserialization done at the broker.");
    } else {
        LOG.info("Native decoding is disabled for " + inboundName
                + ". Inbound message conversion done by Spring Cloud Stream.");
    }

    stream = stream.mapValues((value) -> {
        Object returnValue;
        String contentType = bindingProperties.getContentType();
        if (value != null && !StringUtils.isEmpty(contentType) && !nativeDecoding) {
            returnValue = MessageBuilder.withPayload(value).setHeader(MessageHeaders.CONTENT_TYPE, contentType)
                    .build();
        } else {
            returnValue = value;
        }
        return returnValue;
    });
    return stream;
}

From source file:org.springframework.integration.handler.AsyncHandlerTests.java

@Test
public void testGoodResultWithReplyChannelHeader() {
    this.whichTest = 0;
    this.handler.setOutputChannel(null);
    QueueChannel replyChannel = new QueueChannel();
    Message<?> message = MessageBuilder.withPayload("foo").setReplyChannel(replyChannel).build();
    this.handler.handleMessage(message);
    assertNull(replyChannel.receive(0));
    this.latch.countDown();
    Message<?> received = replyChannel.receive(10000);
    assertNotNull(received);//from   ww w. ja va2 s .c  o m
    assertEquals("reply", received.getPayload());
    assertNull(this.failedCallbackException);
}

From source file:org.springframework.integration.handler.AsyncHandlerTests.java

@Test
public void testGoodResultWithNoReplyChannelHeaderNoOutput() throws Exception {
    this.whichTest = 0;
    this.handler.setOutputChannel(null);
    QueueChannel errorChannel = new QueueChannel();
    Message<String> message = MessageBuilder.withPayload("foo").setErrorChannel(errorChannel).build();
    this.handler.handleMessage(message);
    assertNull(this.output.receive(0));
    this.latch.countDown();
    Message<?> errorMessage = errorChannel.receive(1000);
    assertNotNull(errorMessage);//from w w w  .j av a  2  s  .c o  m
    assertThat(errorMessage.getPayload(), instanceOf(DestinationResolutionException.class));
    assertEquals("no output-channel or replyChannel header available",
            ((Throwable) errorMessage.getPayload()).getMessage());
    assertNull(((MessagingException) errorMessage.getPayload()).getFailedMessage());
    assertNotNull(this.failedCallbackException);
    assertThat(this.failedCallbackException.getMessage(), containsString("or replyChannel header"));
}

From source file:org.springframework.integration.handler.AsyncHandlerTests.java

@Test
public void testRuntimeException() {
    QueueChannel errorChannel = new QueueChannel();
    Message<String> message = MessageBuilder.withPayload("foo").setErrorChannel(errorChannel).build();
    this.handler.handleMessage(message);
    assertNull(this.output.receive(0));
    this.whichTest = 1;
    this.latch.countDown();
    Message<?> received = errorChannel.receive(10000);
    assertNotNull(received);// w ww. j  a v a2 s  .c  om
    assertThat(received.getPayload(), instanceOf(MessageHandlingException.class));
    assertEquals("foo", ((Throwable) received.getPayload()).getCause().getMessage());
    assertSame(message, ((MessagingException) received.getPayload()).getFailedMessage());
    assertNull(this.failedCallbackException);
}

From source file:org.springframework.integration.handler.AsyncHandlerTests.java

@Test
public void testMessagingException() {
    QueueChannel errorChannel = new QueueChannel();
    Message<String> message = MessageBuilder.withPayload("foo").setErrorChannel(errorChannel).build();
    this.handler.handleMessage(message);
    assertNull(this.output.receive(0));
    this.whichTest = 2;
    this.latch.countDown();
    Message<?> received = errorChannel.receive(10000);
    assertNotNull(received);//from   w  w  w  .  j  av  a 2  s .  c  om
    assertThat(received.getPayload(), instanceOf(MessagingException.class));
    assertSame(message, ((MessagingException) received.getPayload()).getFailedMessage());
    assertNull(this.failedCallbackException);
}

From source file:org.springframework.integration.handler.AsyncHandlerTests.java

@Test
public void testMessagingExceptionNoErrorChannel() throws Exception {
    Message<String> message = MessageBuilder.withPayload("foo").build();
    this.handler.handleMessage(message);
    assertNull(this.output.receive(0));
    this.whichTest = 2;
    this.latch.countDown();
    assertTrue(this.exceptionLatch.await(10, TimeUnit.SECONDS));
    assertNotNull(this.failedCallbackException);
    assertThat(this.failedCallbackMessage, containsString("no 'errorChannel' header"));
}

From source file:org.springframework.integration.ip.tcp.connection.ConnectionEventTests.java

@Test
public void testOutboundChannelAdapterNoConnectionEvents() {
    TcpSendingMessageHandler handler = new TcpSendingMessageHandler();
    AbstractServerConnectionFactory scf = new AbstractServerConnectionFactory(0) {

        @Override/*from  ww w .  j a  va 2  s.c  om*/
        public void run() {
        }
    };
    final AtomicReference<ApplicationEvent> theEvent = new AtomicReference<ApplicationEvent>();
    scf.setApplicationEventPublisher(new ApplicationEventPublisher() {

        @Override
        public void publishEvent(Object event) {
        }

        @Override
        public void publishEvent(ApplicationEvent event) {
            theEvent.set(event);
        }

    });
    handler.setConnectionFactory(scf);
    handler.start();
    Message<String> message = MessageBuilder.withPayload("foo").setHeader(IpHeaders.CONNECTION_ID, "bar")
            .build();
    try {
        handler.handleMessage(message);
        fail("expected exception");
    } catch (MessageHandlingException e) {
        assertThat(e.getMessage(), Matchers.containsString("Unable to find outbound socket"));
    }
    assertNotNull(theEvent.get());
    TcpConnectionFailedCorrelationEvent event = (TcpConnectionFailedCorrelationEvent) theEvent.get();
    assertEquals("bar", event.getConnectionId());
    assertSame(message, ((MessagingException) event.getCause()).getFailedMessage());
}

From source file:org.springframework.integration.ip.tcp.connection.ConnectionEventTests.java

@Test
public void testInboundGatewayNoConnectionEvents() {
    TcpInboundGateway gw = new TcpInboundGateway();
    AbstractServerConnectionFactory scf = new AbstractServerConnectionFactory(0) {

        @Override//from w w  w.  j a  va2  s.c  o  m
        public void run() {
        }
    };
    final AtomicReference<ApplicationEvent> theEvent = new AtomicReference<ApplicationEvent>();
    scf.setApplicationEventPublisher(new ApplicationEventPublisher() {

        @Override
        public void publishEvent(Object event) {
        }

        @Override
        public void publishEvent(ApplicationEvent event) {
            theEvent.set(event);
        }

    });
    gw.setConnectionFactory(scf);
    DirectChannel requestChannel = new DirectChannel();
    requestChannel.subscribe(new MessageHandler() {

        @Override
        public void handleMessage(Message<?> message) throws MessagingException {
            ((MessageChannel) message.getHeaders().getReplyChannel()).send(message);
        }
    });
    gw.setRequestChannel(requestChannel);
    gw.start();
    Message<String> message = MessageBuilder.withPayload("foo").setHeader(IpHeaders.CONNECTION_ID, "bar")
            .build();
    gw.onMessage(message);
    assertNotNull(theEvent.get());
    TcpConnectionFailedCorrelationEvent event = (TcpConnectionFailedCorrelationEvent) theEvent.get();
    assertEquals("bar", event.getConnectionId());
    assertSame(message, ((MessagingException) event.getCause()).getFailedMessage());
}

From source file:org.springframework.integration.ip.tcp.connection.ConnectionEventTests.java

@Test
public void testOutboundGatewayNoConnectionEvents() {
    TcpOutboundGateway gw = new TcpOutboundGateway();
    AbstractClientConnectionFactory ccf = new AbstractClientConnectionFactory("localhost", 0) {
    };//from w  w  w  .j a v  a2 s  .c  o  m
    final AtomicReference<ApplicationEvent> theEvent = new AtomicReference<ApplicationEvent>();
    ccf.setApplicationEventPublisher(new ApplicationEventPublisher() {

        @Override
        public void publishEvent(Object event) {
        }

        @Override
        public void publishEvent(ApplicationEvent event) {
            theEvent.set(event);
        }

    });
    gw.setConnectionFactory(ccf);
    DirectChannel requestChannel = new DirectChannel();
    requestChannel
            .subscribe(message -> ((MessageChannel) message.getHeaders().getReplyChannel()).send(message));
    gw.start();
    Message<String> message = MessageBuilder.withPayload("foo").setHeader(IpHeaders.CONNECTION_ID, "bar")
            .build();
    gw.onMessage(message);
    assertNotNull(theEvent.get());
    TcpConnectionFailedCorrelationEvent event = (TcpConnectionFailedCorrelationEvent) theEvent.get();
    assertEquals("bar", event.getConnectionId());
    MessagingException messagingException = (MessagingException) event.getCause();
    assertSame(message, messagingException.getFailedMessage());
    assertEquals("Cannot correlate response - no pending reply for bar", messagingException.getMessage());

    message = new GenericMessage<String>("foo");
    gw.onMessage(message);
    assertNotNull(theEvent.get());
    event = (TcpConnectionFailedCorrelationEvent) theEvent.get();
    assertNull(event.getConnectionId());
    messagingException = (MessagingException) event.getCause();
    assertSame(message, messagingException.getFailedMessage());
    assertEquals("Cannot correlate response - no connection id", messagingException.getMessage());
}

From source file:org.springframework.messaging.converter.AbstractMessageConverter.java

@Override
@Nullable//from  w  w w  .ja  v  a  2 s.c o  m
public final Message<?> toMessage(Object payload, @Nullable MessageHeaders headers,
        @Nullable Object conversionHint) {
    if (!canConvertTo(payload, headers)) {
        return null;
    }

    Object payloadToUse = convertToInternal(payload, headers, conversionHint);
    if (payloadToUse == null) {
        return null;
    }

    MimeType mimeType = getDefaultContentType(payloadToUse);
    if (headers != null) {
        MessageHeaderAccessor accessor = MessageHeaderAccessor.getAccessor(headers,
                MessageHeaderAccessor.class);
        if (accessor != null && accessor.isMutable()) {
            if (mimeType != null) {
                accessor.setHeaderIfAbsent(MessageHeaders.CONTENT_TYPE, mimeType);
            }
            return MessageBuilder.createMessage(payloadToUse, accessor.getMessageHeaders());
        }
    }

    MessageBuilder<?> builder = MessageBuilder.withPayload(payloadToUse);
    if (headers != null) {
        builder.copyHeaders(headers);
    }
    if (mimeType != null) {
        builder.setHeaderIfAbsent(MessageHeaders.CONTENT_TYPE, mimeType);
    }
    return builder.build();
}