Question

I want to send a file to the Browser via the REST Interface.

Can you suggest the most efficient way to do it, Keeping in mind the following?

1. Not much traffic.
2. I am fetching the file from HBase which means when I fetch it from HBase I get it in Byte Array.
3. The files are not in any folder in the server. The files can only be fetched from the HBase table.

The Front end is PHP and I do not know PHP.

Answer 1

In the REST api you can just pass the byte array to Response and it takes care of itself.

Using the following code –

@Produces("image/jpg")
public Response getImage() {
    <Fetch it from where ever you have it>
    Response.ok(<byteArrayOfTheFile>).build();
}