Interface package RabbitMQ

1. references

<dependency>
    <groupId>com.rabbitmq</groupId>
    <artifactId>amqp-client</artifactId>
</dependency>

2.代码

cn.piesat.task.util Package; 

Import com.rabbitmq.client.AMQP; 
Import com.rabbitmq.client.Channel; 
Import com.rabbitmq.client.Connection; 
Import com.rabbitmq.client.ConnectionFactory; 
Import org.slf4j. Logger; 
Import org.slf4j.LoggerFactory; 
Import org.springframework.stereotype.Component; 

/ ** 
* RabbitMQ messaging tools 
* / 
@Component 
public class RabbitMQUtil { 
    Private static Logger rabbitMQUtilLogger = LoggerFactory.getLogger (RabbitMQUtil.class); 

    / ** 
     * persistent transmission message to a specified queue 
     * 
     * @param uri server connection uri parameter 
     * @param queueName queue name 
     * @param msg message body format json
     * @return true： 发送成功, false: 发送失败
     */
    public static boolean sendMsg(String uri, String queueName, String msg) {
        boolean isSuccess = false;
        Connection connection = null;
        Channel channel = null;
        try {
            ConnectionFactory factory = new ConnectionFactory();
            factory.setUri(uri);
            connection = factory.newConnection();
            if (connection != null) {
                channel = connection.createChannel();
                if (channel != null) {
                    AMQP.Queue.DeclareOk declareOk = channel.queueDeclare(queueName, true, false,
                            false, null);
                    if (declareOk != null) {
                        // 构建消息属性
                        int deliveryMode = 2; // 1:临时 2:持久化
                        AMQP.BasicProperties basicProperties = new AMQP.BasicProperties(null, "text/json",
                                null, deliveryMode,
                                null, null,
                                null, null,
                                null, null,
                                null, null,
                                null, null);

                        channel.basicPublish("", queueName, false, false, basicProperties, msg.getBytes());
                        isSuccess = true;
                    } else {
                        rabbitMQUtilLogger.error("queue declare error");
                    }
                } else {
                    connection.close();
                    rabbitMQUtilLogger.error("create channel error");
                }
            } else {
                rabbitMQUtilLogger.error("create connection error");
            }

        } catch (Exception e) {
            rabbitMQUtilLogger.error(e.toString());
            rabbitMQUtilLogger.error(e.getStackTrace().toString());
            isSuccess = false;
        } finally {
            try {
                if (channel != null) {
                    channel.close();
                }

                if (connection != null) {
                    connection.close();
                }
            } catch (Exception e) {
                rabbitMQUtilLogger.error("close connection error");
                rabbitMQUtilLogger.error(e.toString());
                rabbitMQUtilLogger.error(e.getStackTrace().toString());
            }

            return isSuccess;
        }
    }
}