public MessageProperties toMessageProperties(
final BasicProperties source, final Envelope envelope, final String charset) {
MessageProperties target = new MessageProperties();
Map<String, Object> headers = source.getHeaders();
if (!CollectionUtils.isEmpty(headers)) {
for (Map.Entry<String, Object> entry : headers.entrySet()) {
String key = entry.getKey();
if (MessageProperties.X_DELAY.equals(key)) {
Object value = entry.getValue();
if (value instanceof Integer) {
target.setReceivedDelay((Integer) value);
}
} else {
target.setHeader(key, convertLongStringIfNecessary(entry.getValue(), charset));
}
}
}
target.setTimestamp(source.getTimestamp());
target.setMessageId(source.getMessageId());
target.setReceivedUserId(source.getUserId());
target.setAppId(source.getAppId());
target.setClusterId(source.getClusterId());
target.setType(source.getType());
Integer deliveryMode = source.getDeliveryMode();
if (deliveryMode != null) {
target.setReceivedDeliveryMode(MessageDeliveryMode.fromInt(deliveryMode));
}
target.setDeliveryMode(null);
target.setExpiration(source.getExpiration());
target.setPriority(source.getPriority());
target.setContentType(source.getContentType());
target.setContentEncoding(source.getContentEncoding());
String correlationId = source.getCorrelationId();
if (StringUtils.hasText(correlationId)) {
target.setCorrelationId(source.getCorrelationId());
}
String replyTo = source.getReplyTo();
if (replyTo != null) {
target.setReplyTo(replyTo);
}
if (envelope != null) {
target.setReceivedExchange(envelope.getExchange());
target.setReceivedRoutingKey(envelope.getRoutingKey());
target.setRedelivered(envelope.isRedeliver());
target.setDeliveryTag(envelope.getDeliveryTag());
}
return target;
}
public static MessageProperties valueOf(BasicProperties bp) {
MessageProperties mp = new MessageProperties();
mp.setAppId(bp.getAppId());
mp.setClusterId(bp.getClusterId());
mp.setContentEncoding(bp.getContentEncoding());
mp.setContentType(bp.getContentType());
mp.setCorrelationId(bp.getCorrelationId());
mp.setDeliveryMode(bp.getDeliveryMode());
mp.setExpiration(bp.getExpiration());
mp.setHeaders(bp.getHeaders());
mp.setMessageId(bp.getMessageId());
mp.setPriority(bp.getPriority());
mp.setReplyTo(bp.getReplyTo());
mp.setTimestamp(bp.getTimestamp());
mp.setType(bp.getType());
mp.setUserId(bp.getUserId());
return mp;
}
@Override
public void run() {
try {
Connection connection = factory.newConnection();
String uuid = UUID.randomUUID().toString();
String queueName = RPC_QUEUE_NAME + uuid;
Map<String, Channel> result =
this.server.initChannel(connection, this.assignedNumber, queueName);
Channel consumerChannel = result.get("consumer");
Channel publisherChannel = result.get("publisher");
QueueingConsumer consumer = new QueueingConsumer(consumerChannel);
consumerChannel.basicConsume(queueName, true, consumer);
System.out.println("in server ");
while (true) {
QueueingConsumer.Delivery delivery = consumer.nextDelivery();
// System.out.printf("delivery is %s, body is %s", delivery, new
// String(delivery.getBody()));
BasicProperties props = delivery.getProperties();
// System.out.printf("correlationId is %s", props.getCorrelationId());
BasicProperties replyProps =
new BasicProperties.Builder()
.correlationId(props.getCorrelationId())
.messageId(props.getMessageId())
.build();
String response = new String(delivery.getBody());
// System.out.printf("response is %s", new String(delivery.getBody()));
// System.out.printf("reply to is %s", props.getReplyTo() );
publisherChannel.basicPublish(
PUBLISHER_EXCHANGE_NAME, props.getReplyTo(), replyProps, response.getBytes());
// consumerChannel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
}
} catch (Exception e) {
e.printStackTrace();
}
}