AWS Lambda Java, write to S3 bucket

Question

I am creating an AWS Lambda function that is runned monthly. Each month process some data and write that back to S3 Bucket.

Do you know how you can you write a file from AWS Lambda Java to a S3 bucket?

Answer 1

Yes, you have to create a text file in S3 bucket and take a reference of the following code to update the file contents as per your requirement.

AmazonS3 client = new AmazonS3Client();
/**
 * @param bucketName
 *            The name of the bucket to place the new object in.
 * @param key
 *            The key of the object to create.
 * @param content
 *            The String to encode
 */
client.putObject("**Bucket Name**", "**File Name to write**", "updated string contents");

Answer 2

The same way you can write a file to S3 from any Java application. Use the AWS SDK for Java.