Vô hiệu hoá bộ nhớ đệm của CloudFront với Java

import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
import software.amazon.awssdk.auth.credentials.AwsCredentials;
import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.cloudfront.CloudFrontClient;

public class MyUtils {

	public static CloudFrontClient createCloudFrontClient(Region region) {
		AwsCredentials credentials = AwsBasicCredentials.create("accessKeyId", "secretAccessKey");
		AwsCredentialsProvider credentialsProvider = StaticCredentialsProvider.create(credentials);

		CloudFrontClient cloudFrontClient = CloudFrontClient.builder() //
				.credentialsProvider(credentialsProvider) //
				.region(region) //
				.build();

		return cloudFrontClient;
	}
}

<!-- https://mvnrepository.com/artifact/software.amazon.awssdk/cloudfront -->
<dependency>
    <groupId>software.amazon.awssdk</groupId>
    <artifactId>cloudfront</artifactId>
    <version>2.21.14</version>
</dependency> 

package org.o7planning.java_14203_awssdk_cloudfront;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

import org.o7planning.awssdkcloudfront.MyUtils;

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.cloudfront.CloudFrontClient;
import software.amazon.awssdk.services.cloudfront.model.CreateInvalidationRequest;
import software.amazon.awssdk.services.cloudfront.model.CreateInvalidationResponse;
import software.amazon.awssdk.services.cloudfront.model.InvalidationBatch;
import software.amazon.awssdk.services.cloudfront.model.Paths;

public class CloudFrontInvalidationUtils {

	// @invalidationPaths: /thing.txt, /foo/bar/*
	public static void sendInvalidation(Region region, //
			String cloudFrontDistributionId, String... invalidationPaths) {
		CloudFrontClient cloudFrontClient = MyUtils.createCloudFrontClient(region);

		Paths paths = Paths.builder() //
				.items(invalidationPaths) //
				.quantity(invalidationPaths.length) //
				.build();

		// Unique ID like a date: "20201001090000"
		LocalDateTime now = LocalDateTime.now();
		String referenceUniqueId = now.format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"));
		System.out.println("Invalidation referenceUniqueId: " + referenceUniqueId);
		//
		InvalidationBatch invalidationBatch = InvalidationBatch.builder() //
				.paths(paths) //
				.callerReference(referenceUniqueId) //
				.build();

		CreateInvalidationRequest createInvalidationRequest = CreateInvalidationRequest.builder()
				.distributionId(cloudFrontDistributionId) //
				.invalidationBatch(invalidationBatch) //
				.build();

		CreateInvalidationResponse response = cloudFrontClient.createInvalidation(createInvalidationRequest);
		System.out.println("Invalidation Result: " + response);
		System.out.println("Invalidation Done!");
	}
}

package org.o7planning.java_14203_awssdk_cloudfront;

import software.amazon.awssdk.regions.Region;

public class InvalidationExample1 {

	// EU (Frankfurt) - Germany
	private static final Region myCloudFrontRegion = Region.EU_CENTRAL_1;

	private static final String myDistributionId = "Your-Distribution-ID";

	public static void main(String[] args) {
		String[] invalidationPaths = new String[] { //
				"/*" // All Paths
		};
		CloudFrontInvalidationUtils.sendInvalidation( //
				myCloudFrontRegion, // Distribution Regions
				myDistributionId, // Distribution ID
				invalidationPaths // Invalidation Paths
		);
	} 
}