@Test
 public void testPublisherReturnsWithMandatoryExpression() throws Exception {
   final CountDownLatch latch = new CountDownLatch(1);
   final List<Message> returns = new ArrayList<Message>();
   templateWithReturnsEnabled.setReturnCallback(
       new ReturnCallback() {
         @Override
         public void returnedMessage(
             Message message,
             int replyCode,
             String replyText,
             String exchange,
             String routingKey) {
           returns.add(message);
           latch.countDown();
         }
       });
   Expression mandatoryExpression =
       new SpelExpressionParser().parseExpression("'message'.bytes == body");
   templateWithReturnsEnabled.setMandatoryExpression(mandatoryExpression);
   templateWithReturnsEnabled.convertAndSend(
       ROUTE + "junk", (Object) "message", new CorrelationData("abc"));
   templateWithReturnsEnabled.convertAndSend(
       ROUTE + "junk", (Object) "foo", new CorrelationData("abc"));
   assertTrue(latch.await(1000, TimeUnit.MILLISECONDS));
   assertEquals(1, returns.size());
   Message message = returns.get(0);
   assertEquals("message", new String(message.getBody(), "utf-8"));
 }
 @SuppressWarnings("unchecked")
 public <T> T fromMessage(Message message, T t) {
   String json = "";
   try {
     json = new String(message.getBody(), defaultCharset);
   } catch (Exception e) {
     e.printStackTrace();
   }
   return (T) JSON.parseObject(json, t.getClass());
 }
 @Override
 public Object fromMessage(Message message) throws MessageConversionException {
   Object content = null;
   MessageProperties properties = message.getMessageProperties();
   if (properties != null) {
     String contentType = properties.getContentType();
     if (contentType != null && contentType.contains("protobuf")) {
       try {
         String classId = (String) message.getMessageProperties().getHeaders().get("__TypeId__");
         if (classId == null) throw new Exception("no classId found");
         Class<?> targetClass = Class.forName(classId);
         content = converter.deserialize(message.getBody(), targetClass);
       } catch (Exception e) {
         throw new MessageConversionException("Failed to convert json-based Message content", e);
       }
     }
   }
   if (content == null) {
     content = message.getBody();
   }
   return content;
 }
 @Override
 public void onMessage(Message msg) {
   String messageStr = new String(msg.getBody());
   try {
     logger.debug("Facility Manager Get Request Message: " + messageStr.toString());
     // TODO ResponseMessage ret = this.man.executeCommand(
     // ((ActionRequestMessage)engineMessage).getRequest() );
     msg.getMessageProperties().getCorrelationId();
     msg.getMessageProperties().getReplyTo();
     // ret.setMessageID(engineMessage.getMessageID());
   } catch (AmqpException e) {
     e.printStackTrace();
   }
 }
Ejemplo n.º 5
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  @Test
  public void testAutoBindDLQwithRepublish() throws Exception {
    // pre-declare the queue with dead-lettering, users can also use a policy
    RabbitAdmin admin = new RabbitAdmin(this.rabbitAvailableRule.getResource());
    Map<String, Object> args = new HashMap<String, Object>();
    args.put("x-dead-letter-exchange", "xdbustest.DLX");
    Queue queue = new Queue("xdbustest.dlqpubtest", true, false, false, args);
    admin.declareQueue(queue);

    MessageBus bus = getMessageBus();
    Properties properties = new Properties();
    properties.put("prefix", "xdbustest.");
    properties.put("autoBindDLQ", "true");
    properties.put("republishToDLQ", "true");
    properties.put("maxAttempts", "1"); // disable retry
    properties.put("requeue", "false");
    DirectChannel moduleInputChannel = new DirectChannel();
    moduleInputChannel.setBeanName("dlqPubTest");
    moduleInputChannel.subscribe(
        new MessageHandler() {

          @Override
          public void handleMessage(Message<?> message) throws MessagingException {
            throw new RuntimeException("foo");
          }
        });
    bus.bindConsumer("dlqpubtest", moduleInputChannel, properties);

    RabbitTemplate template = new RabbitTemplate(this.rabbitAvailableRule.getResource());
    template.convertAndSend("", "xdbustest.dlqpubtest", "foo");

    int n = 0;
    while (n++ < 100) {
      org.springframework.amqp.core.Message deadLetter =
          template.receive("xdbustest.dlqpubtest.dlq");
      if (deadLetter != null) {
        assertEquals("foo", new String(deadLetter.getBody()));
        assertNotNull(deadLetter.getMessageProperties().getHeaders().get("x-exception-stacktrace"));
        break;
      }
      Thread.sleep(100);
    }
    assertTrue(n < 100);

    bus.unbindConsumer("dlqpubtest", moduleInputChannel);
    admin.deleteQueue("xdbustest.dlqpubtest.dlq");
    admin.deleteQueue("xdbustest.dlqpubtest");
    admin.deleteExchange("xdbustest.DLX");
  }
 @Override
 public void onMessage(Message message, Channel channel) throws Exception {
   String value = new String(message.getBody());
   try {
     int counter = count.getAndIncrement();
     if (logger.isDebugEnabled() && counter % 100 == 0) {
       logger.debug(value + counter);
     }
     if (fail) {
       throw new RuntimeException("Planned failure");
     }
   } finally {
     latch.countDown();
   }
 }
Ejemplo n.º 7
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 @Override
 public Object fromMessage(Message message) throws MessageConversionException {
   Object content = null;
   try {
     MessageProperties properties = message.getMessageProperties();
     String encoding = properties.getContentEncoding();
     if (encoding == null) {
       encoding = this.defaultCharset;
     }
     content = new String(message.getBody(), encoding);
     content = JSONObject.parse((String) content);
   } catch (UnsupportedEncodingException e) {
     throw new MessageConversionException("failed to convert text-based Message content", e);
   }
   return content;
 }
 @Override
 public void onMessage(Message message, Channel channel) throws Exception {
   String value = new String(message.getBody());
   try {
     logger.debug("Received: " + value);
     if (count.get() == null) {
       count.set(1);
     } else {
       count.set(count.get() + 1);
     }
     if (count.get() == txSize && fail) {
       logger.debug("Failing: " + value);
       count.set(0);
       throw new RuntimeException("Planned");
     }
   } finally {
     latch.countDown();
   }
 }
  @Override
  public Object fromMessage(Message message) throws MessageConversionException {
    MessageProperties messageProperties = message.getMessageProperties();
    if (messageProperties == null)
      throw new MessageConversionException("Cannot decode a message with no properties!");

    byte[] body = message.getBody();
    if (body == null) return null;

    String messageEncoding = messageProperties.getContentEncoding();
    if (messageEncoding == null) messageEncoding = this.encoding;

    String messageContentType = messageProperties.getContentType();
    if (this.contentType != null && !this.contentType.equalsIgnoreCase(messageContentType))
      throw new MessageConversionException(
          "Cannot understand a message of type " + messageContentType);

    try {
      return new String(body, messageEncoding);
    } catch (UnsupportedEncodingException ex) {
      LOG.error("Cannot dencode strings as {}", this.encoding, ex);
      throw new MessageConversionException("Cannot dencode strings as " + this.encoding, ex);
    }
  }
 @Override
 protected void executeListener(Channel channel, Message message) throws Throwable {
   super.executeListener(channel, message);
   channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
   if (log.isDebugEnabled()) log.debug("Acknowledging message: " + new String(message.getBody()));
 }
 @Override
 public void onMessage(Message message) {
   System.out.println("接收到消息:" + new String(message.getBody()));
 }
 public Object fromMessage(Message message) throws MessageConversionException {
   return JSON.parseObject(message.getBody(), DataSyncCipher.class);
 }