1、首先找到控制台独享实例
2、找到接入域名
3、Java Sample
import java.net.URI;
import java.util.Hashtable;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.naming.Context;
import javax.naming.InitialContext;
import org.apache.commons.codec.binary.Base64;
import org.apache.qpid.jms.JmsConnection;
import org.apache.qpid.jms.JmsConnectionListener;
import org.apache.qpid.jms.message.JmsInboundMessageDispatch;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AmqpJavaClientDemo {
private final static Logger logger = LoggerFactory.getLogger(AmqpJavaClientDemo.class);
public static void main(String[] args) throws Exception {
//参数说明,请参见上一篇文档:AMQP客户端接入说明。
String accessKey = "";
String accessSecret = "";
String consumerGroupId ="";
String iotInstanceId = "";
long timeStamp = System.currentTimeMillis();
//签名方法:支持hmacmd5,hmacsha1和hmacsha256
String signMethod = "hmacsha1";
//控制台服务端订阅中消费组状态页客户端ID一栏将显示clientId参数。
//建议使用机器UUID、MAC地址、IP等唯一标识等作为clientId。便于您区分识别不同的客户端。
String clientId = "112233";
//UserName组装方法,请参见上一篇文档:AMQP客户端接入说明。
String userName = clientId + "|authMode=aksign"
+ ",signMethod=" + signMethod
+ ",timestamp=" + timeStamp
+ ",authId=" + accessKey
+ ",iotInstanceId=" + iotInstanceId
+ ",consumerGroupId=" + consumerGroupId
+ "|";
//password组装方法,请参见上一篇文档:AMQP客户端接入说明。
String signContent = "authId=" + accessKey + "×tamp=" + timeStamp;
String password = doSign(signContent,accessSecret, signMethod);
//按照qpid-jms的规范,组装连接URL。
String connectionUrl = "failover:(amqps://iot-cn-******.amqp.iothub.aliyuncs.com:5671?amqp.idleTimeout=80000)"
+ "?failover.reconnectDelay=30";
Hashtable<String, String> hashtable = new Hashtable<String, String>();
hashtable.put("connectionfactory.SBCF",connectionUrl);
hashtable.put("queue.QUEUE", "default");
hashtable.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.qpid.jms.jndi.JmsInitialContextFactory");
Context context = new InitialContext(hashtable);
ConnectionFactory cf = (ConnectionFactory)context.lookup("SBCF");
Destination queue = (Destination)context.lookup("QUEUE");
// Create Connection
Connection connection = cf.createConnection(userName, password);
((JmsConnection) connection).addConnectionListener(myJmsConnectionListener);
// Create Session
// Session.CLIENT_ACKNOWLEDGE: 收到消息后,需要手动调用message.acknowledge()
// Session.AUTO_ACKNOWLEDGE: SDK自动ACK(推荐)
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
connection.start();
// Create Receiver Link
MessageConsumer consumer = session.createConsumer(queue);
consumer.setMessageListener(messageListener);
}
private static MessageListener messageListener = new MessageListener() {
@Override
public void onMessage(Message message) {
try {
byte[] body = message.getBody(byte[].class);
String content = new String(body);
String topic = message.getStringProperty("topic");
String messageId = message.getStringProperty("messageId");
logger.info("receive message"
+ ", topic = " + topic
+ ", messageId = " + messageId
+ ", content = " + content);
//如果创建Session选择的是Session.CLIENT_ACKNOWLEDGE,这里需要手动ACK。
//message.acknowledge();
//如果要对收到的消息做耗时的处理,请异步处理,确保这里不要有耗时逻辑。
} catch (Exception e) {
e.printStackTrace();
}
}
};
private static JmsConnectionListener myJmsConnectionListener = new JmsConnectionListener() {
/**
* 连接成功建立。
*/
@Override
public void onConnectionEstablished(URI remoteURI) {
logger.info("onConnectionEstablished, remoteUri:{}", remoteURI);
}
/**
* 尝试过最大重试次数之后,最终连接失败。
*/
@Override
public void onConnectionFailure(Throwable error) {
logger.error("onConnectionFailure, {}", error.getMessage());
}
/**
* 连接中断。
*/
@Override
public void onConnectionInterrupted(URI remoteURI) {
logger.info("onConnectionInterrupted, remoteUri:{}", remoteURI);
}
/**
* 连接中断后又自动重连上。
*/
@Override
public void onConnectionRestored(URI remoteURI) {
logger.info("onConnectionRestored, remoteUri:{}", remoteURI);
}
@Override
public void onInboundMessage(JmsInboundMessageDispatch envelope) {}
@Override
public void onSessionClosed(Session session, Throwable cause) {}
@Override
public void onConsumerClosed(MessageConsumer consumer, Throwable cause) {}
@Override
public void onProducerClosed(MessageProducer producer, Throwable cause) {}
};
/**
* password签名计算方法,请参见上一篇文档:AMQP客户端接入说明。
*/
private static String doSign(String toSignString, String secret, String signMethod) throws Exception {
SecretKeySpec signingKey = new SecretKeySpec(secret.getBytes(), signMethod);
Mac mac = Mac.getInstance(signMethod);
mac.init(signingKey);
byte[] rawHmac = mac.doFinal(toSignString.getBytes());
return Base64.encodeBase64String(rawHmac);
}
}