S3Client.getBucketNotificationConfiguration(GetBucketNotificationConfigurationRequest getBucketNotificationRequest) is throwing UnsupportedOperationException

[virenshekhawat]

We are trying to get bucket notification configuration from S3Client but the method S3Client.getBucketNotificationConfiguration(GetBucketNotificationConfigurationRequest getBucketNotificationRequest) is throwing UnsupportedOperationException!
There is one more method getBucketNotificationConfiguration(Consumer<GetBucketNotificationConfigurationRequest.Builder) but we are not sure whether we can use this method as inside this method multiple casting is happening(this.getBucketNotificationConfiguration((GetBucketNotificationConfigurationRequest)((GetBucketNotificationConfigurationRequest.Builder)GetBucketNotificationConfigurationRequest.builder().applyMutation(getBucketNotificationConfigurationRequest)).build());)

We also observed that there is no method support to get NotificationConfiguration in GetBucketNotificationConfigurationResponse class(similar to BucketNotificationConfiguration.getConfigurationByName(String) from AWS SDK 1.X)

@spfink @debora-ito @millems

Links

https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/s3/S3Client.html#getBucketNotificationConfiguration(software.amazon.awssdk.services.s3.model.GetBucketNotificationConfigurationRequest)

[bhoradc]

Hello @virenshekhawat,

Can you please share the code sample that is throwing the exception?

In V2, you may process the GetBucketNotificationConfigurationResponse object to access the notification configuration details according to your requirements. You may want to iterate over the lists of queueConfigurations, topicConfigurations or lambdaFunctionConfigurations objects in the response and process them as needed.

Using Consumer<GetBucketNotificationConfigurationRequest.Builder> will create an instance of the GetBucketNotificationConfigurationRequest.Builder. So, you don't have to create one manually via GetBucketNotificationConfigurationRequest.builder().

The Consumer<GetBucketNotificationConfigurationRequest.Builder> method in the API reference guide can be found here

In the Consumer builder method, we can pass a lambda expression to the GetBucketNotificationConfiguration method, which accepts a Consumer<GetBucketNotificationConfigurationRequest.Builder>. Inside the lambda expression, we can directly call the bucket() method on the provided Builder object to set the bucket name. This approach provides a flexible way to configure the request object by allowing multiple method calls within the lambda expression.

Regards,
Chaitanya

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