EnableNotificationOnABucket.java

// Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: MIT-0 (For details, see https://github.com/awsdocs/amazon-s3-developer-guide/blob/master/LICENSE-SAMPLECODE.)

import java.io.IOException;
import java.util.EnumSet;

import com.amazonaws.AmazonServiceException;
import com.amazonaws.SdkClientException;
import com.amazonaws.auth.profile.ProfileCredentialsProvider;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.BucketNotificationConfiguration;
import com.amazonaws.services.s3.model.TopicConfiguration;
import com.amazonaws.services.s3.model.QueueConfiguration;
import com.amazonaws.services.s3.model.S3Event;
import com.amazonaws.services.s3.model.SetBucketNotificationConfigurationRequest;

public class EnableNotificationOnABucket {

    public static void main(String[] args) throws IOException {
        String bucketName = "*** Bucket name ***";
        String clientRegion = "*** Client region ***";
        String snsTopicARN = "*** SNS Topic ARN ***";
        String sqsQueueARN = "*** SQS Queue ARN ***";

        try {
            AmazonS3 s3Client = AmazonS3ClientBuilder.standard()
                    .withCredentials(new ProfileCredentialsProvider())
                    .withRegion(clientRegion)
                    .build();
            BucketNotificationConfiguration notificationConfiguration = new BucketNotificationConfiguration();

            // Add an SNS topic notification.
            notificationConfiguration.addConfiguration("snsTopicConfig",
                    new TopicConfiguration(snsTopicARN, EnumSet.of(S3Event.ObjectCreated)));

            // Add an SQS queue notification.
            notificationConfiguration.addConfiguration("sqsQueueConfig",
                    new QueueConfiguration(sqsQueueARN, EnumSet.of(S3Event.ObjectCreated)));
            
            // Create the notification configuration request and set the bucket notification configuration.
            SetBucketNotificationConfigurationRequest request = new SetBucketNotificationConfigurationRequest(
                    bucketName, notificationConfiguration);
            s3Client.setBucketNotificationConfiguration(request);
        }
        catch(AmazonServiceException e) {
            // The call was transmitted successfully, but Amazon S3 couldn't process 
            // it, so it returned an error response.
            e.printStackTrace();
        }
        catch(SdkClientException e) {
            // Amazon S3 couldn't be contacted for a response, or the client
            // couldn't parse the response from Amazon S3.
            e.printStackTrace();
        }
    }
}