copy file from one directory to another in aws s3 from java code example
Example: aws copy folder from local to s3
Recursively copying local files to S3
When passed with the parameter --recursive, the following cp command recursively copies all files under a specified directory to a specified bucket and prefix while excluding some files by using an --exclude parameter. In this example, the directory myDir has the files test1.txt and test2.jpg:
aws s3 cp myDir s3://mybucket/ --recursive --exclude "*.jpg"