Java Envelope类代码示例

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
private byte[] readMessage() throws Exception {
  final CountDownLatch countDown = new CountDownLatch(1);
  final AtomicReference<byte[]> result = new AtomicReference<>();

  Channel channel = sender.get().createChannel();
  try {
    channel.basicConsume(sender.queue(), true, new DefaultConsumer(channel) {
      @Override public void handleDelivery(String consumerTag, Envelope envelope,
          AMQP.BasicProperties properties, byte[] body) throws IOException {
        result.set(body);
        countDown.countDown();
      }
    });
    countDown.await(5, TimeUnit.SECONDS);
  } finally {
    channel.close();
  }
  return result.get();
}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
SourceRecord sourceRecord(String consumerTag, Envelope envelope, AMQP.BasicProperties basicProperties, byte[] bytes) {
  Struct key = MessageConverter.key(basicProperties);
  Struct value = MessageConverter.value(consumerTag, envelope, basicProperties, bytes);
  final String topic = this.config.kafkaTopic.execute(RabbitMQSourceConnectorConfig.KAFKA_TOPIC_TEMPLATE, value);

  return new SourceRecord(
      ImmutableMap.of("routingKey", envelope.getRoutingKey()),
      ImmutableMap.of("deliveryTag", envelope.getDeliveryTag()),
      topic,
      null,
      key.schema(),
      key,
      value.schema(),
      value,
      null == basicProperties.getTimestamp() ? this.time.milliseconds() : basicProperties.getTimestamp().getTime()
  );
}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
@Test
public void envelope() {
  final Envelope input = new Envelope(
      13246312L,
      true,
      "exchange",
      "routingKey"
  );

  final Struct actual = MessageConverter.envelope(input);
  assertNotNull(actual, "actual should not be null.");
  assertField(input.getDeliveryTag(), actual, MessageConverter.FIELD_ENVELOPE_DELIVERYTAG);
  assertField(input.getExchange(), actual, MessageConverter.FIELD_ENVELOPE_EXCHANGE);
  assertField(input.getRoutingKey(), actual, MessageConverter.FIELD_ENVELOPE_ROUTINGKEY);
  assertField(input.isRedeliver(), actual, MessageConverter.FIELD_ENVELOPE_ISREDELIVER);
}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
    // decode internal message
    InternalMessage msg = JSONs.decodeInternalMessage(body);

    // notify listener
    if (msg != null) {
        logger.debug("Communicator received: Received {} message for client {} user {}", msg.getMessageType(), msg.getClientId(), msg.getUserName());
        switch (msg.getMessageType()) {
            case PUBLISH:
                listener.onPublish((InternalMessage<Publish>) msg);
                break;
            case DISCONNECT:
                listener.onDisconnect((InternalMessage<Disconnect>) msg);
                break;
            default:
                logger.warn("Communicator error: Communicator received unexpected message type {}", msg.getMessageType());
        }
    }
}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
 * @param args
 * @throws IOException
 * @throws TimeoutException
 * @date 2017年7月13日 下午2:57:32
 * @writer junehappylove
 */
public static void main(String[] args) throws IOException, TimeoutException {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setHost(host);
	factory.setUsername(username);
	factory.setPassword(password);
	factory.setPort(port);
	factory.setVirtualHost(virtualHost);
	Connection connection = factory.newConnection();
	Channel channel = connection.createChannel();
	// 声明交换器
	channel.exchangeDeclare(EXCHANGE_NAME_ROUTING, "direct");
	// 获取匿名队列名称
	String queueName = channel.queueDeclare().getQueue();
	// 根据路由关键字进行多重绑定
	for (String severity : routingKeys2) {
		channel.queueBind(queueName, EXCHANGE_NAME_ROUTING, severity);
		System.out.println("ReceiveLogsDirect2 exchange:" + EXCHANGE_NAME_ROUTING + ", queue:" + queueName
				+ ", BindRoutingKey:" + severity);
	}
	System.out.println("ReceiveLogsDirect2 Waiting for messages");

	Consumer consumer = new DefaultConsumer(channel) {
		@Override
		public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
				byte[] body) throws UnsupportedEncodingException {
			String message = new String(body, "UTF-8");
			System.out.println("ReceiveLogsDirect2 Received '" + envelope.getRoutingKey() + "':'" + message + "'");
		}
	};
	channel.basicConsume(queueName, true, consumer);

}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
 * @param args
 * @throws TimeoutException
 * @throws IOException
 * @date 2017年7月13日 下午2:53:18
 * @writer junehappylove
 */
public static void main(String[] args) throws IOException, TimeoutException {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setHost(host);
	factory.setUsername(username);
	factory.setPassword(password);
	factory.setPort(port);
	factory.setVirtualHost(virtualHost);
	Connection connection = factory.newConnection();
	Channel channel = connection.createChannel();
	// 声明交换器
	channel.exchangeDeclare(EXCHANGE_NAME_ROUTING, "direct");
	// 获取匿名队列名称
	String queueName = channel.queueDeclare().getQueue();

	// 根据路由关键字进行绑定
	for (String routingKey : routingKeys1) {
		channel.queueBind(queueName, EXCHANGE_NAME_ROUTING, routingKey);
		System.out.println("ReceiveLogsDirect1 exchange:" + EXCHANGE_NAME_ROUTING + "," + " queue:" + queueName
				+ ", BindRoutingKey:" + routingKey);
	}
	System.out.println("ReceiveLogsDirect1  Waiting for messages");
	Consumer consumer = new DefaultConsumer(channel) {
		@Override
		public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
				byte[] body) throws IOException {
			String message = new String(body, "UTF-8");
			System.out.println("ReceiveLogsDirect1 Received '" + envelope.getRoutingKey() + "':'" + message + "'");
		}
	};
	channel.basicConsume(queueName, true, consumer);

}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
 * @param args
 * @throws TimeoutException
 * @throws IOException
 * @date 2017年7月11日 下午5:32:45
 * @writer junehappylove
 */
public static void main(String[] args) throws IOException, TimeoutException {
	// 创建连接工厂
	ConnectionFactory factory = new ConnectionFactory();
	// 设置RabbitMQ地址
	factory.setHost(host);
	factory.setUsername(username);
	factory.setPassword(password);
	factory.setPort(port);
	factory.setVirtualHost(virtualHost);
	// 创建一个新的连接
	Connection connection = factory.newConnection();
	// 创建一个通道
	Channel channel = connection.createChannel();
	// 声明要关注的队列
	channel.queueDeclare(QUEUE_NAME, false, false, false, null);
	System.out.println("Customer Waiting Received messages");
	// DefaultConsumer类实现了Consumer接口，通过传入一个频道，
	// 告诉服务器我们需要那个频道的消息，如果频道中有消息，就会执行回调函数handleDelivery
	Consumer consumer = new DefaultConsumer(channel) {
		//envelope主要存放生产者相关信息（比如交换机、路由key等）
		//body是消息实体
		@Override
		public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
				byte[] body) throws IOException {
			String message = new String(body, "UTF-8");
			System.out.println("Customer Received '" + message + "'");
		}
	};
	// 自动回复队列应答 -- RabbitMQ中的消息确认机制
	channel.basicConsume(QUEUE_NAME, true, consumer);
}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
 * @param args
 * @throws TimeoutException
 * @throws IOException
 * @date 2017年7月13日 下午2:40:52
 * @writer junehappylove
 */
public static void main(String[] args) throws IOException, TimeoutException {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setHost(host);
	factory.setUsername(username);
	factory.setPassword(password);
	factory.setPort(port);
	factory.setVirtualHost(virtualHost);
	Connection connection = factory.newConnection();
	Channel channel = connection.createChannel();

	channel.exchangeDeclare(EXCHANGE_NAME, "fanout");

	// 产生一个随机的队列名称
	String queueName = channel.queueDeclare().getQueue();
	channel.queueBind(queueName, EXCHANGE_NAME, "");// 对队列进行绑定

	System.out.println("ReceiveLogs1 Waiting for messages");
	Consumer consumer = new DefaultConsumer(channel) {
		@Override
		public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
				byte[] body) throws IOException {
			String message = new String(body, "UTF-8");
			System.out.println("ReceiveLogs1 Received '" + message + "'");
		}
	};
	channel.basicConsume(queueName, true, consumer);// 队列会自动删除
}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
	 * @param args
	 * @throws TimeoutException 
	 * @throws IOException 
	 * @date 2017年7月13日 下午3:08:40
	 * @writer junehappylove
	 */
	public static void main(String[] args) throws IOException, TimeoutException {
		ConnectionFactory factory = new ConnectionFactory();
		factory.setHost(host);
		factory.setUsername(username);
		factory.setPassword(password);
		factory.setPort(port);
		factory.setVirtualHost(virtualHost);
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
//      声明一个匹配模式的交换器
        channel.exchangeDeclare(EXCHANGE_NAME_TOPIC, "topic");
        String queueName = channel.queueDeclare().getQueue();
        // 路由关键字
        String[] routingKeys = new String[]{"*.*.rabbit", "lazy.#"};
//      绑定路由关键字
        for (String bindingKey : routingKeys) {
            channel.queueBind(queueName, EXCHANGE_NAME_TOPIC, bindingKey);
            System.out.println("ReceiveLogsTopic2 exchange:"+EXCHANGE_NAME_TOPIC+", queue:"+queueName+", BindRoutingKey:" + bindingKey);
        }

        System.out.println("ReceiveLogsTopic2 Waiting for messages");

        Consumer consumer = new DefaultConsumer(channel) {
            @Override
			public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
					byte[] body) throws UnsupportedEncodingException  {
                String message = new String(body, "UTF-8");
                System.out.println("ReceiveLogsTopic2 Received '" + envelope.getRoutingKey() + "':'" + message + "'");
            }
        };
        channel.basicConsume(queueName, true, consumer);
	}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
 * @param args
 * @throws IOException
 * @throws TimeoutException
 * @date 2017年7月13日 下午3:06:20
 * @writer junehappylove
 */
public static void main(String[] args) throws IOException, TimeoutException {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setHost(host);
	factory.setUsername(username);
	factory.setPassword(password);
	factory.setPort(port);
	factory.setVirtualHost(virtualHost);
	Connection connection = factory.newConnection();
	Channel channel = connection.createChannel();

	// 声明一个匹配模式的交换机
	channel.exchangeDeclare(EXCHANGE_NAME_TOPIC, "topic");
	String queueName = channel.queueDeclare().getQueue();
	// 路由关键字
	String[] routingKeys = new String[] { "*.orange.*" };
	// 绑定路由
	for (String routingKey : routingKeys) {
		channel.queueBind(queueName, EXCHANGE_NAME_TOPIC, routingKey);
		System.out.println("ReceiveLogsTopic1 exchange:" + EXCHANGE_NAME_TOPIC + ", queue:" + queueName
				+ ", BindRoutingKey:" + routingKey);
	}
	System.out.println("ReceiveLogsTopic1 Waiting for messages");

	Consumer consumer = new DefaultConsumer(channel) {
		@Override
		public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
				byte[] body) throws IOException {
			String message = new String(body, "UTF-8");
			System.out.println("ReceiveLogsTopic1 Received '" + envelope.getRoutingKey() + "':'" + message + "'");
		}
	};
	channel.basicConsume(queueName, true, consumer);

}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
 * Configures the rabbitmq queues and the {@code shard-<id>-receive} consumer.
 *
 * Subclasses that want to change how messages are sent/received can override this method to disable the default implementation.
 *
 * @throws IOException if there's an error on {@link Channel#queueDeclare(String, boolean, boolean, boolean, Map)} or {@link Channel#basicConsume(String, boolean, Consumer)}.
 */
protected void configure() throws IOException {
    channel.queueDeclare("shard-" + shardId + "-send", true, false, false, null);
    channel.queueDeclare("shard-" + shardId + "-receive", true, false, false, null);
    channel.queueDeclare("shard-" + shardId + "-available", true, false, false, null);
    channel.queueDeclare("shard-" + shardId + "-unavailable", true, false, false, null);
    channel.basicConsume("shard-" + shardId + "-receive", true, new DefaultConsumer(channel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
            ClientWebSocketClient c = client.get();
            if(c == null) return;
            JSONObject obj = new JSONObject(new String(body, StandardCharsets.UTF_8));
            if(obj.has("t") && obj.getString("t").equals("gateway-ping-update")) {
                c.getJDA().setPing(obj.getJSONObject("d").getLong("ping"));
                return;
            }
            if(enableRawGatewayEvent)
                c.getJDA().getEventManager().handle(new RawGatewayEvent(c.getJDA(), new JSONObject(obj.toString())));
            c.handleEvent(obj);
        }
    });
}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
 * 接受消息
 */
public void receiveQuickstartMessage() throws IOException, TimeoutException {
    RabbitMQChannel channel = new RabbitMQChannel().channel();
    AMQP.Queue.DeclareOk declareOk = channel.getChannel().queueDeclare(QUICKSTART_QUEUE_NAME, false, false, false, null);
    System.out.println("等待接受队列【" + QUICKSTART_QUEUE_NAME + "】消息");
    //建立一个消费者 监听消息的接受
    Consumer consumer = new DefaultConsumer(channel.getChannel()) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope,
                                   AMQP.BasicProperties properties, byte[] body)
                throws IOException {
            String message = new String(body, "UTF-8");
            System.out.println("接受消息:" + message);
        }
    };
    channel.getChannel().basicConsume(QUICKSTART_QUEUE_NAME, true, consumer);
    //channel.close();
}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
 * 调用接口
 *
 * @param message 消息内容 不能为空
 */
public void client(String message) throws IOException, TimeoutException {
    RabbitMQChannel channel = new RabbitMQChannel().channel();
    String replyQueueName = channel.getChannel().queueDeclare().getQueue();
    String corrId = UUID.randomUUID().toString();

    AMQP.BasicProperties props = new AMQP.BasicProperties
            .Builder()
            .correlationId(corrId)
            .replyTo(replyQueueName)
            .build();
    System.out.println("rpc客户端发送消息:" + message);
    channel.getChannel().basicPublish("", RPC_QUEUE_NAME, props, message.getBytes("UTF-8"));
    channel.getChannel().basicConsume(replyQueueName, true, new DefaultConsumer(channel.getChannel()) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
            if (properties.getCorrelationId().equals(corrId)) {
                System.out.println("rpc客户端收到结果:" + new String(body, "UTF-8") + "\n");
            }
        }
    });
}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
 * 接受消息
 */
public void receivePubsubMessage() throws IOException, TimeoutException {
    RabbitMQChannel channel = new RabbitMQChannel().channel();
    channel.getChannel().exchangeDeclare(EXCHANGE_NAME, "fanout");
    String queueName = channel.getChannel().queueDeclare().getQueue();
    channel.getChannel().queueBind(queueName, EXCHANGE_NAME, "");
    System.out.println("等待接受pusub订阅【" + EXCHANGE_NAME + "】消息");
    System.out.println("选择队列:"+queueName);
    Consumer consumer = new DefaultConsumer(channel.getChannel()) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope,
                                   AMQP.BasicProperties properties, byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            System.out.println("接受消息:" + message + "'");
        }
    };
    channel.getChannel().basicConsume(queueName, true, consumer);
}
 

import com.rabbitmq.client.Envelope; //导入依赖的package包/类
/**
 * 接受主题消息
 */
public void receiveTopicMessage() throws IOException, TimeoutException {
    RabbitMQChannel channel = new RabbitMQChannel().channel();
    channel.getChannel().exchangeDeclare(TOPIC, "topic");
    String queueName = channel.getChannel().queueDeclare().getQueue();
    channel.getChannel().queueBind(queueName, TOPIC, "bindingKey");
    System.out.println("等待接受topic主题【" + TOPIC + "】消息");
    System.out.println("选择队列:" + queueName);
    Consumer consumer = new DefaultConsumer(channel.getChannel()) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope,
                                   AMQP.BasicProperties properties, byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            System.out.println("接受消息:" + envelope.getRoutingKey() + "':'" + message + "'");
        }
    };
    channel.getChannel().basicConsume(queueName, true, consumer);
}