[REQ] [JAVA] Apache httpcomponents client library

Created by: harrywhite4

Is your feature request related to a problem? Please describe.

Support generating a java client using the apache httpcomponents client

Describe the solution you'd like

A new library option for the java client

Describe alternatives you've considered

N/A

Additional context

I am working in a project that already makes use of httpcomponents so we were interested in generating a client using that library. Have already started some work looking into this, just wanted to open an issue see if this is something that could be contributed here.