@Test
public void testXPathRouterNoChannelResolver() {
// Build the route
DirectChannel inputChannel = new DirectChannel();
inputChannel.setBeanName("input");
XPathRouter router = new XPathRouter("//subject/text()");
router.setEvaluateAsString(true);
inputChannel.subscribe(router);
// Create message
Object correlationId = "123-ABC";
String xmlSource = "<xml><subject>test</subject></xml>";
Message<String> message =
MessageBuilder.withPayload(xmlSource).setCorrelationId(correlationId).build();
// Send and receive message synchronously
MessagingTemplate template = new MessagingTemplate(inputChannel);
try {
Message<?> reply = template.sendAndReceive(message);
assertFalse("should fail", true);
} catch (MessageHandlingException ex) {
assertTrue(ex.getMessage().contains("error occurred in message handler"));
assertTrue(
ex.getCause()
.getMessage()
.contains("unable to resolve channel names, no ChannelResolver available"));
}
}
@Test
public void testXPathRouter() {
// route to a channel determined by outcome of the xpath expression
// Build the route
DirectChannel inputChannel = new DirectChannel();
inputChannel.setBeanName("input");
XPathRouter router = new XPathRouter("//subject/text()");
router.setEvaluateAsString(true);
inputChannel.subscribe(router);
QueueChannel testChannel = new QueueChannel();
GenericApplicationContext context = new GenericApplicationContext();
context.getBeanFactory().registerSingleton("testChannel", testChannel);
router.setBeanFactory(context);
context.refresh();
// Create message
Object correlationId = "123-ABC";
String xmlSource = "<xml><subject>testChannel</subject></xml>";
Message<String> message =
MessageBuilder.withPayload(xmlSource).setCorrelationId(correlationId).build();
// Send and receive message
inputChannel.send(message);
Message<?> reply = testChannel.receive(0);
assertEquals(xmlSource, reply.getPayload());
}