Examples with MessageTransformingHandler org.springframework.integration.transformer.MessageTransformingHandler used on opensource projects

Example 11 with MessageTransformingHandler

use of org.springframework.integration.transformer.MessageTransformingHandler in project spring-integration by spring-projects.

the class TransformerAnnotationPostProcessor method createHandler.

@Override
protected MessageHandler createHandler(Object bean, Method method, List<Annotation> annotations) {
    org.springframework.integration.transformer.Transformer transformer;
    if (AnnotatedElementUtils.isAnnotated(method, Bean.class.getName())) {
        Object target = this.resolveTargetBeanFromMethodWithBeanAnnotation(method);
        transformer = this.extractTypeIfPossible(target, org.springframework.integration.transformer.Transformer.class);
        if (transformer == null) {
            if (this.extractTypeIfPossible(target, AbstractReplyProducingMessageHandler.class) != null) {
                checkMessageHandlerAttributes(resolveTargetBeanName(method), annotations);
                return (MessageHandler) target;
            }
            transformer = new MethodInvokingTransformer(target);
        }
    } else {
        transformer = new MethodInvokingTransformer(bean, method);
    }
    MessageTransformingHandler handler = new MessageTransformingHandler(transformer);
    this.setOutputChannelIfPresent(annotations, handler);
    return handler;
}

Example 12 with MessageTransformingHandler

use of org.springframework.integration.transformer.MessageTransformingHandler in project spring-integration by spring-projects.

the class IntegrationFlowDefinition method transform.

/**
 * Populate the {@link MessageTransformingHandler} instance for the provided {@link GenericTransformer}
 * for the specific {@code payloadType} to convert at runtime.
 * In addition accept options for the integration endpoint using {@link GenericEndpointSpec}.
 * @param payloadType the {@link Class} for expected payload type.
 * @param genericTransformer the {@link GenericTransformer} to populate.
 * @param endpointConfigurer the {@link Consumer} to provide integration endpoint options.
 * @param <P> the payload type - 'transform from'.
 * @param <T> the target type - 'transform to'.
 * @return the current {@link IntegrationFlowDefinition}.
 * @see MethodInvokingTransformer
 * @see LambdaMessageProcessor
 * @see GenericEndpointSpec
 */
public <P, T> B transform(Class<P> payloadType, GenericTransformer<P, T> genericTransformer, Consumer<GenericEndpointSpec<MessageTransformingHandler>> endpointConfigurer) {
    Assert.notNull(genericTransformer, "'genericTransformer' must not be null");
    Transformer transformer = genericTransformer instanceof Transformer ? (Transformer) genericTransformer : (isLambda(genericTransformer) ? new MethodInvokingTransformer(new LambdaMessageProcessor(genericTransformer, payloadType)) : new MethodInvokingTransformer(genericTransformer));
    return addComponent(transformer).handle(new MessageTransformingHandler(transformer), endpointConfigurer);
}

Example 13 with MessageTransformingHandler

use of org.springframework.integration.transformer.MessageTransformingHandler in project spring-integration by spring-projects.

the class HeaderAnnotationTransformerTests method headerAnnotationWithPrefixedHeaderAndRelativeExpression.

// INT-1082
@Test
public void headerAnnotationWithPrefixedHeaderAndRelativeExpression() {
    Object target = new TestTransformer();
    MethodInvokingTransformer transformer = new MethodInvokingTransformer(target, "evalCorrelationId");
    MessageTransformingHandler handler = new MessageTransformingHandler(transformer);
    handler.setBeanFactory(mock(BeanFactory.class));
    handler.afterPropertiesSet();
    QueueChannel outputChannel = new QueueChannel();
    handler.setOutputChannel(outputChannel);
    handler.handleMessage(MessageBuilder.withPayload("test").setCorrelationId("abc").build());
    Message<?> result = outputChannel.receive(0);
    assertNotNull(result);
    assertEquals("ABC", result.getPayload());
    assertEquals("abc", new IntegrationMessageHeaderAccessor(result).getCorrelationId());
}