private Message<?> sendAndReceive(
String exchangeName,
String routingKey,
Message<?> requestMessage,
CorrelationData correlationData) {
Assert.isInstanceOf(
RabbitTemplate.class,
this.amqpTemplate,
"RabbitTemplate implementation is required for publisher confirms");
MessageConverter converter = ((RabbitTemplate) this.amqpTemplate).getMessageConverter();
MessageProperties amqpMessageProperties = new MessageProperties();
org.springframework.amqp.core.Message amqpMessage =
converter.toMessage(requestMessage.getPayload(), amqpMessageProperties);
this.headerMapper.fromHeadersToRequest(requestMessage.getHeaders(), amqpMessageProperties);
checkDeliveryMode(requestMessage, amqpMessageProperties);
org.springframework.amqp.core.Message amqpReplyMessage =
((RabbitTemplate) this.amqpTemplate)
.sendAndReceive(exchangeName, routingKey, amqpMessage, correlationData);
if (amqpReplyMessage == null) {
return null;
}
Object replyObject = converter.fromMessage(amqpReplyMessage);
AbstractIntegrationMessageBuilder<?> builder =
(replyObject instanceof Message)
? this.getMessageBuilderFactory().fromMessage((Message<?>) replyObject)
: this.getMessageBuilderFactory().withPayload(replyObject);
Map<String, ?> headers =
this.headerMapper.toHeadersFromReply(amqpReplyMessage.getMessageProperties());
builder.copyHeadersIfAbsent(headers);
return builder.build();
}
