springboot集成aws mqtt publish

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已于 2023-10-08 10:27:04 修改

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于 2022-10-10 10:24:00 首次发布

本文链接：https://blog.youkuaiyun.com/SpringHASh/article/details/127239756

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AWS 同时被 3 个专栏收录

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IoT

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本文介绍如何使用AWS SDK for Java实现向AWS IoT平台发布消息的功能。通过配置访问密钥和区域等参数，利用AWSIotDataClient进行消息发布。

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依赖

前言：平台给设备下发消息，通过接口的方式实现调用，调用aws iot sdk，实现publish的功能

     <dependency>
            <groupId>com.amazonaws</groupId>
            <artifactId>aws-java-sdk-iot</artifactId>
        </dependency>

   <aws-sdk.version>1.12.310</aws-sdk.version>

SDK


import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.services.iotdata.AWSIotData;
import com.amazonaws.services.iotdata.AWSIotDataClient;
import com.amazonaws.services.iotdata.AWSIotDataClientBuilder;
import com.amazonaws.services.iotdata.model.PublishRequest;
import com.amazonaws.services.iotdata.model.PublishResult;

import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.stereotype.Component;

/**
 * @author Wang
 * @Date 2022/9/6
 */
@Component
@Slf4j
@RequiredArgsConstructor
@RefreshScope
public class AwsRestClient {

    @Value(value = "${aws.iot.endpoint:https://*.iot.ap-northeast-1.amazonaws.com}")
    private String endpoint;

    @Value(value = "${aws.iot.region:ap-northeast-1}")
    private String region;

    @Value(value = "${aws.iot.accessKeyId:*}")
    private String accessKey;

    @Value(value = "${aws.iot.secretAccessKey:S5GmNeNAMVNInF4Yxn9ZjuzFS//VZvCHvrso8/iz}")
    private String secretKey;

    public AwsVO publish(PublishRequest request){

        AWSStaticCredentialsProvider provider = new AWSStaticCredentialsProvider(new BasicAWSCredentials(accessKey, secretKey));
        AWSIotDataClientBuilder builder = AWSIotDataClient.builder();
        builder.setCredentials(provider);

        AwsClientBuilder.EndpointConfiguration configuration = new AwsClientBuilder.EndpointConfiguration(endpoint, region);
        builder.setEndpointConfiguration(configuration);
        AWSIotData awsIotData = builder.build();

        request.setQos(MqttCons.QoS);
        PublishResult publishResult = awsIotData.publish(request);
        return BeanUtils.map(publishResult, new AwsVO());
    }


}