private Map<String, Object> resolvedExchangeArguments() {
Map<String, Object> exchangeArgs = new HashMap<>();
if (endpoint.getExchangeArgsConfigurer() != null) {
endpoint.getExchangeArgsConfigurer().configurArgs(exchangeArgs);
}
return exchangeArgs;
}
private void declareExchange(
final Channel channel,
final String exchange,
final String exchangeType,
final Map<String, Object> exchangeArgs)
throws IOException {
channel.exchangeDeclare(
exchange, exchangeType, endpoint.isDurable(), endpoint.isAutoDelete(), exchangeArgs);
}
private Map<String, Object> populateQueueArgumentsFromDeadLetterExchange(
final Map<String, Object> queueArgs) {
if (endpoint.getDeadLetterExchange() != null) {
queueArgs.put(
RabbitMQConstants.RABBITMQ_DEAD_LETTER_EXCHANGE, endpoint.getDeadLetterExchange());
queueArgs.put(
RabbitMQConstants.RABBITMQ_DEAD_LETTER_ROUTING_KEY, endpoint.getDeadLetterRoutingKey());
}
return queueArgs;
}
private void declareAndBindQueue(
final Channel channel,
final String queue,
final String exchange,
final String routingKey,
final Map<String, Object> arguments)
throws IOException {
channel.queueDeclare(queue, endpoint.isDurable(), false, endpoint.isAutoDelete(), arguments);
if (shouldBindQueue()) {
channel.queueBind(queue, exchange, emptyIfNull(routingKey));
}
}
private void declareAndBindExchangeWithQueue(final Channel channel) throws IOException {
if (shouldDeclareExchange()) {
declareExchange(
channel,
endpoint.getExchangeName(),
endpoint.getExchangeType(),
resolvedExchangeArguments());
}
if (shouldDeclareQueue()) {
// need to make sure the queueDeclare is same with the exchange declare
declareAndBindQueue(
channel,
endpoint.getQueue(),
endpoint.getExchangeName(),
endpoint.getRoutingKey(),
resolvedQueueArguments());
}
}
@Override
protected RabbitMQEndpoint createEndpoint(
String uri, String remaining, Map<String, Object> params) throws Exception {
URI host = new URI("http://" + remaining);
String hostname = host.getHost();
int portNumber = host.getPort();
String exchangeName = ""; // We need to support the exchange to be "" the path is empty
if (host.getPath().trim().length() > 1) {
exchangeName = host.getPath().substring(1);
}
// ConnectionFactory reference
ConnectionFactory connectionFactory =
resolveAndRemoveReferenceParameter(params, "connectionFactory", ConnectionFactory.class);
@SuppressWarnings("unchecked")
Map<String, Object> clientProperties =
resolveAndRemoveReferenceParameter(params, "clientProperties", Map.class);
TrustManager trustManager =
resolveAndRemoveReferenceParameter(params, "trustManager", TrustManager.class);
RabbitMQEndpoint endpoint;
if (connectionFactory == null) {
endpoint = new RabbitMQEndpoint(uri, this);
} else {
endpoint = new RabbitMQEndpoint(uri, this, connectionFactory);
}
endpoint.setHostname(hostname);
endpoint.setPortNumber(portNumber);
endpoint.setExchangeName(exchangeName);
endpoint.setClientProperties(clientProperties);
endpoint.setTrustManager(trustManager);
setProperties(endpoint, params);
if (LOG.isDebugEnabled()) {
LOG.debug(
"Creating RabbitMQEndpoint with host {}:{} and exchangeName: {}",
new Object[] {
endpoint.getHostname(), endpoint.getPortNumber(), endpoint.getExchangeName()
});
}
return endpoint;
}
private void declareAndBindDeadLetterExchangeWithQueue(final Channel channel) throws IOException {
if (endpoint.getDeadLetterExchange() != null) {
// TODO Do we need to setup the args for the DeadLetter?
declareExchange(
channel,
endpoint.getDeadLetterExchange(),
endpoint.getDeadLetterExchangeType(),
Collections.<String, Object>emptyMap());
declareAndBindQueue(
channel,
endpoint.getDeadLetterQueue(),
endpoint.getDeadLetterExchange(),
endpoint.getDeadLetterRoutingKey(),
null);
}
}
private void populateQueueArgumentsFromConfigurer(final Map<String, Object> queueArgs) {
if (endpoint.getQueueArgsConfigurer() != null) {
endpoint.getQueueArgsConfigurer().configurArgs(queueArgs);
}
}
private boolean shouldBindQueue() {
return !endpoint.isSkipQueueBind();
}
private boolean shouldDeclareExchange() {
return !endpoint.isSkipExchangeDeclare();
}
private boolean shouldDeclareQueue() {
return !endpoint.isSkipQueueDeclare() && endpoint.getQueue() != null;
}