2 Commits

Author SHA1 Message Date
wonder 75fb4aa63f 🔄Update: 消费信息 2025-11-14 22:36:04 +08:00
wonder b389d384a6 🔄Update: 生产消息 2025-11-14 22:27:49 +08:00
4 changed files with 67 additions and 93 deletions
@@ -0,0 +1,30 @@
package cn.hezhaohui.mq;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.DeliverCallback;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.TimeoutException;
public class Consume {
private static final String EXCHANGE_NAME = "logs";
public static void main(String[] args) throws IOException, TimeoutException {
ConnectionFactory factory = new ConnectionFactory();
Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
String queueName = channel.queueDeclare().getQueue();
channel.queueBind(queueName, EXCHANGE_NAME, "");
DeliverCallback deliverCallback = (consumerTag, delivery) -> {
String message = new String(delivery.getBody(), StandardCharsets.UTF_8);
System.out.println("[Receive] " + message);
};
channel.basicConsume(queueName, true, deliverCallback, consumerTag -> {});
}
}
@@ -1,47 +0,0 @@
package cn.hezhaohui.mq;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.Scanner;
import java.util.concurrent.TimeoutException;
public class EmitLogTopic {
private static final String EXCHANGE_NAME = "topic_logs";
public static void main(String[] args) {
ConnectionFactory factory = new ConnectionFactory();
try (Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
Scanner scanner = new Scanner(System.in)) {
// Init exchange
channel.exchangeDeclare(EXCHANGE_NAME, "topic");
// Send message
while (true) {
System.out.println("[#] Facility ?");
String input_facility = scanner.nextLine();
System.out.println("[#] Severity ?");
String input_severity = scanner.nextLine();
if (input_facility.equals("exit") || input_severity.equals("exit")) {
break;
}
System.out.println("[#] Message ?");
String input_message = scanner.nextLine();
channel.basicPublish(EXCHANGE_NAME, input_facility + '.' + input_severity, null, input_message.getBytes(StandardCharsets.UTF_8));
System.out.println("🔶🔶🔶");
}
// Init queue
} catch (IOException | TimeoutException e) {
System.err.println("=== #Error ===");
}
}
}
@@ -0,0 +1,37 @@
package cn.hezhaohui.mq;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import java.io.IOException;
import java.util.Scanner;
import java.util.concurrent.TimeoutException;
public class Publish {
private static final String EXCHANGE_NAME = "logs";
public static void main(String[] args) throws IOException, TimeoutException {
ConnectionFactory factory = new ConnectionFactory();
try (Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
Scanner scanner = new Scanner(System.in)) {
channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
String queue = channel.queueDeclare().getQueue();
channel.queueBind(queue, EXCHANGE_NAME, "");
while (true) {
String msg = scanner.nextLine();
if (msg.equals("exit")) {
break;
}
channel.basicPublish(EXCHANGE_NAME, "", null, msg.getBytes());
System.out.println("[Sent] " + msg);
}
}
}
}
@@ -1,46 +0,0 @@
package cn.hezhaohui.mq;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.DeliverCallback;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.TimeoutException;
public class ReceiveLogsTopic {
private static final String EXCHANGE_NAME = "topic_logs";
public static void main(String[] args) throws Exception {
ConnectionFactory factory = new ConnectionFactory();
Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.exchangeDeclare(EXCHANGE_NAME, "topic");
// Queue
String queue_name = channel.queueDeclare().getQueue();
if (args.length < 1) {
System.err.println("[Null args]");
}
for (String bindingKey : args) {
channel.queueBind(queue_name, EXCHANGE_NAME, bindingKey);
}
System.out.println("🎉 Go Go Go");
DeliverCallback callback = (consumerTag, delivery) -> {
String output_message = new String(delivery.getBody(), StandardCharsets.UTF_8);
String output_facility_severity = delivery.getEnvelope().getRoutingKey();
System.out.printf("✅ [%s] %s\n", output_facility_severity, output_message);
};
channel.basicConsume(queue_name, true, callback, consumerTag -> {});
}
}