Examples with MessageHeader io.micronaut.jms.model.MessageHeader used on opensource projects

Example 1 with MessageHeader

use of io.micronaut.jms.model.MessageHeader in project micronaut-jms by micronaut-projects.

the class JMSProducerMethodInterceptor method intercept.

@Override
public Object intercept(MethodInvocationContext<Object, Object> context) {
    if (!context.hasAnnotation(JMSProducer.class)) {
        return context.proceed();
    }
    ExecutableMethod<?, ?> method = context.getExecutableMethod();
    Class<? extends Annotation> annotationType;
    JMSDestinationType destinationType;
    if (method.hasAnnotation(Queue.class)) {
        annotationType = Queue.class;
        destinationType = QUEUE;
    } else if (method.hasAnnotation(Topic.class)) {
        annotationType = Topic.class;
        destinationType = TOPIC;
    } else {
        return context.proceed();
    }
    String connectionFactory = method.stringValue(JMSProducer.class).orElseThrow(() -> new ConfigurationException("@JMSProducer must specify a connection factory."));
    String destinationName = method.stringValue(annotationType).orElseThrow(() -> new ConfigurationException("@" + annotationType.getSimpleName() + " must specify a destination."));
    Map<String, Object> parameterValueMap = context.getParameterValueMap();
    Object body = Arrays.stream(method.getArguments()).filter(arg -> arg.isDeclaredAnnotationPresent(MessageBody.class)).map(arg -> parameterValueMap.get(arg.getName())).findFirst().orElseThrow(() -> new ConfigurationException("One method argument must be annotated with @Body"));
    String serializerName = method.stringValue(annotationType, "serializer").orElse(null);
    Serializer serializer = serializerName == null ? beanContext.getBean(DefaultSerializerDeserializer.class) : beanContext.getBean(Serializer.class, Qualifiers.byName(serializerName));
    MessageHeader[] headers = Arrays.stream(method.getArguments()).filter(arg -> arg.isDeclaredAnnotationPresent(io.micronaut.messaging.annotation.MessageHeader.class)).map(arg -> {
        String argName = arg.getName();
        String headerName = arg.getAnnotationMetadata().stringValue(io.micronaut.messaging.annotation.MessageHeader.class).orElseThrow(() -> new IllegalArgumentException("@Header annotation on argument '" + argName + "' must have a name"));
        return new MessageHeader(headerName, parameterValueMap.get(argName));
    }).toArray(MessageHeader[]::new);
    JMSConnectionPool pool = beanContext.getBean(JMSConnectionPool.class, Qualifiers.byName(connectionFactory));
    JmsProducer producer = new JmsProducer(destinationType, pool, serializer);
    producer.send(destinationName, body, headers);
    return null;
}