S3 download file java

To download the file to your temporary server, you must first obtain access to the S3Object you need. In your case, it is slack. You mentioned that you want to use the temporary credentials supplied to you by the IAM role. It's a smart move to not disclose credentials in code and simultaneously ensure that the credentials supplied to the service will be refreshed automatically. You'll need to initialise your s3Client like this:.

Note : Make sure that the IAM role being used actually has read-access to the bucket. In your case, the bucketName would be slack-automation and the key would be the name of the file on the S3 bucket slack.

Then, to store the file on your server, use the copyInputStreamToFile function from org. That's it, Thank you all for your help. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 3 years, 6 months ago. Active 3 years, 6 months ago. Viewed 13k times. I have this code to download a file from s3 bucket to tmp space of lambda server. Improve this question.

Sinar K. K Sinar K. K 51 1 1 gold badge 1 1 silver badge 6 6 bronze badges. Add a comment. Active Oldest Votes. I am excluding the zip-creation code for you: To download the file to your temporary server, you must first obtain access to the S3Object you need.

FileUtils FileUtils. Improve this answer. Akshay Singh Akshay Singh 83 9 9 bronze badges. Bean; import org. Configuration; import software.

AwsBasicCredentials; import software. StaticCredentialsProvider; import software. Region; import software. Uploading object to S3 bucket Now we have the service client bean ready, which we can inject into a service and start uploading an object to S3 bucket with specified keyname. Download file from S3 bucket We can compose a GetObjectRequest using builder pattern specifying the bucket name and key and then use s3 service client to get the object and save it into a byte array or file.

ResponseTransformer; import software. S3Client; import software. Book you may be interested in.. Last updated 1 week ago. Subscribe to Interview Questions. Download the E-book. Do you like cookies?