A Sample of Java Connect RabbitMQ

pom.xml

<dependencies>
    <dependency>
        <groupId>com.rabbitmq</groupId>
        <artifactId>amqp-client</artifactId>
        <version>5.1.2</version>
    </dependency>
    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>fastjson</artifactId>
        <version>1.2.37</version>
    </dependency>
</dependencies>

 

 

Resource/mqConn.json

{
  "HostIP":"127.0.0.1",
  "Port":5672,
  "userName":"guest",
  "passWord":"guest"
}

src/jsonbean.java

import com.alibaba.fastjson.annotation.JSONField;

public class jsonbean {
    @JSONField(name = "HostIP")
    private String HostIP;

    @JSONField(name ="Port")
    private int Port;

    @JSONField(name = "userName")
    private String userName;

    @JSONField(name = "passWord")
    private String passWord;

    public String getHostIP() {
        return HostIP;
    }

    public void setHostIP(String hostIP) {
        this.HostIP = hostIP;
    }

    public int getPort() {
        return Port;
    }

    public void setPort(int port) {
        this.Port = port;
    }

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public String getPassWord() {
        return passWord;
    }

    public void setPassWord(String passWord) {
        this.passWord = passWord;
    }
}

 

 

src/nbconnectMQ.java

import com.alibaba.fastjson.JSONReader;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;

import java.io.FileReader;
import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class nbConnectMQ {
    public Connection nbCreateConnection() throws IOException {

        String filePath="resources/mqConn.json";
        JSONReader jsonReader=new JSONReader(new FileReader(filePath));
        jsonbean jsonstr=jsonReader.readObject(jsonbean.class);

        ConnectionFactory connectionFactory=new ConnectionFactory();
        connectionFactory.setHost(jsonstr.getHostIP());
        connectionFactory.setPort(jsonstr.getPort());
        connectionFactory.setUsername(jsonstr.getUserName());
        connectionFactory.setPassword(jsonstr.getPassWord());

        Connection connection= null;
        try {
            connection = connectionFactory.newConnection();
        } catch (TimeoutException e) {
            e.printStackTrace();
        }
        return  connection;
    }
}

src/appRun

import java.io.IOException;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;

public class appRun {
    private final static String QUEUE_NAME="Hello";

    public static void main(String[] args) throws IOException {
        Connection connectMQ=new nbConnectMQ().nbCreateConnection();
        Channel nbchannel=connectMQ.createChannel();
        String Message="Hello world";
        nbchannel.basicPublish("", QUEUE_NAME, null, Message.getBytes());
        System.out.println("Sended Message");
        connectMQ.close();
    }
}