How to set content length as long value in http header in java?

Question

I am writing a web server in java that is transferring file upto 2GB fine. When I searched for the reason, I found like java HttpServelet only allows us to set the content l

Answer 1

You can also use below sample code.

long length = fileObj.length();

if (length <= Integer.MAX_VALUE)
{
  response.setContentLength((int)length);
}
else
{
  response.addHeader("Content-Length", Long.toString(length));
}