JavaBasic

package com.amazonaws.samples;

import java.nio.ByteBuffer; import java.util.List;

import com.amazonaws.auth.AWSStaticCredentialsProvider; import com.amazonaws.auth.BasicAWSCredentials; import com.amazonaws.client.builder.AwsClientBuilder.EndpointConfiguration; import com.amazonaws.regions.Regions; import com.amazonaws.services.iotdata.AWSIotData; import com.amazonaws.services.iotdata.AWSIotDataClientBuilder; import com.amazonaws.services.iotdata.model.PublishRequest; import com.amazonaws.services.s3.AmazonS3; import com.amazonaws.services.s3.AmazonS3ClientBuilder; import com.amazonaws.services.s3.model.AmazonS3Exception; import com.amazonaws.services.s3.model.Bucket;

public class AWSSample {

static String ACCESSKEY = "";
static String SECLETKEY = "";
static BasicAWSCredentials awsCredentials = new BasicAWSCredentials(ACCESSKEY, SECLETKEY);

public static void main(String[] args) {
	publishIoT();
}

static void publishIoT(){
	System.out.println("start publish");
	AWSIotData awsIotData = AWSIotDataClientBuilder.standard().withCredentials(new AWSStaticCredentialsProvider(awsCredentials)).withEndpointConfiguration(new EndpointConfiguration("a2hwy65nxmcsqb.iot.ap-northeast-1.amazonaws.com", "ap-northeast-1")).build();
	PublishRequest publishRequest = new PublishRequest();
	ByteBuffer buffer = ByteBuffer.allocate(128);
	buffer.putInt(12345);
	publishRequest.setQos(1);
	publishRequest.setPayload(buffer);
	publishRequest.setTopic("test/test");
	
	awsIotData.publish(publishRequest);
	
}

static void S3(String bucket_name){
	AmazonS3 s3 = AmazonS3ClientBuilder.standard().withRegion(Regions.AP_NORTHEAST_1).withCredentials(new AWSStaticCredentialsProvider(awsCredentials)).build();
	//create bucket
	Bucket bucket = null;
	if(s3.doesBucketExistV2("")){
		System.out.format("Bucket %s already exists.\n", bucket_name);
	}else{
		try{
			bucket = s3.createBucket(bucket_name);
			System.out.println(bucket_name);
		}catch (AmazonS3Exception e) {
			System.err.println(e.getErrorMessage());
		}
	}
	
	//get bucket
	List<Bucket> buckets = s3.listBuckets();
	System.out.println("Your Amazon S3 buckets are:");
	for (Bucket b : buckets) {
	    System.out.println("* " + b.getName());
	}
	
	//putObject
	try{
		s3.putObject(bucket_name, "", arg2)
	}
}

}