调整MQTT

jiazx0107@163.com

2023-11-09 19860e76e91baf3cfce3c45bfa3ca886788c4ec8

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package com.fzzy.mqtt;
 
import lombok.extern.slf4j.Slf4j;
import org.eclipse.paho.client.mqttv3.*;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.integration.annotation.IntegrationComponentScan;
import org.springframework.integration.annotation.ServiceActivator;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.mqtt.core.DefaultMqttPahoClientFactory;
import org.springframework.integration.mqtt.core.MqttPahoClientFactory;
import org.springframework.integration.mqtt.outbound.MqttPahoMessageHandler;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessageHandler;
 
import javax.annotation.PostConstruct;
import java.util.Arrays;
import java.util.List;
 
@Configuration
@Slf4j
@IntegrationComponentScan
public class MqttProviderConfig {
 
    @Autowired
    private MqttProperties mqttProperties;
 
    @Bean
    public MqttConnectOptions getReceiverMqttConnectOptionsForSend() {
        MqttConnectOptions mqttConnectOptions = new MqttConnectOptions();
        mqttConnectOptions.setUserName(mqttProperties.getUsername());
        mqttConnectOptions.setPassword(mqttProperties.getPassword().toCharArray());
        List<String> hostList = Arrays.asList(mqttProperties.getHost().trim().split(","));
        String[] serverURIs = new String[hostList.size()];
        hostList.toArray(serverURIs);
        mqttConnectOptions.setServerURIs(serverURIs);
        mqttConnectOptions.setKeepAliveInterval(mqttProperties.getKeepAliveInterval());
        return mqttConnectOptions;
    }
 
    @Bean
    public MqttPahoClientFactory receiverMqttClientFactoryForSend() {
        DefaultMqttPahoClientFactory factory = new DefaultMqttPahoClientFactory();
        factory.setConnectionOptions(getReceiverMqttConnectOptionsForSend());
        return factory;
    }
 
    @Bean
    @ServiceActivator(inputChannel = "mqttOutboundChannel")
    public MessageHandler mqttOutbound() {
        MqttPahoMessageHandler messageHandler = new MqttPahoMessageHandler(mqttProperties.getClientOutId(), receiverMqttClientFactoryForSend());
        messageHandler.setAsync(false);
        messageHandler.setDefaultTopic(mqttProperties.getDefaultTopic());
        return messageHandler;
    }
 
    @Bean
    public MessageChannel mqttOutboundChannel() {
        return new DirectChannel();
    }
}