import org.apache.commons.imaging.formats.jpeg.xmp.JpegXmpRewriter;

AmazonS3Client client = nfile.getS3Client() //get S3 client
S3Object object1 = client.getObject(
                  new GetObjectRequest("test-bucket", "myfile.jpg")) //get the object. This is step1
InputStream isNew1 = object1.getObjectContent(); //create input stream
OutputStream os = new BufferedOutputStream(new FileOutputStream(
                  new File("newimage5.jpg"))) //create file locally. This is step3

try {
   String xmpXml = "<x:xmpmeta>" +
    "n<Lifeshare>" +
    "nt<Date>"+"some date"+"</Date>" +
    "n</Lifeshare>" +
    "n</x:xmpmeta>";/
   JpegXmpRewriter rewriter = new JpegXmpRewriter();
   rewriter.updateXmpXml(isNew1,os, xmpXml); //This is step2
}
finally {
   isNew1.close()
   os.close()
}