Re: [xwiki-devs] [PROPOSAL] Implement decorators in xwiki-platform-container

Sounds good. +1 for RedirectResponse interface

On Mon, Jan 8, 2018 at 11:51 AM, Clément Aubin <aubincleme(a)gmail.com>

> Hi devs, > > This proposal is related to the following discussion on IRC : > https://botbot.me/freenode/xwiki/2018-01-08/?msg=95495049&page=5 > > Abstract: We currently have an abstraction of the notion of a > "container" defined in xwiki-platform-container-api [1]. This > abstraction is very basic, but allows XWiki to support two different > types of containers : Servlet and Portlet, and maybe support other types > in the future. > > Problem: As those abstractions are very basic, it's quite hard to use > them without downcasting them. A common example is the following: if I > want to send a redirection in a Response object [2], I will need either > to forge my own output that returns the correct HTTP code, with the > correct header, etc … or I can downcast the given Response to all of its > possible implementations and, for each implementation, find the correct > method to use for sending a redirect. > > In order to avoid such tricks in the future, we could implement > decorators that will allow Request and Response implementations to > handle certain actions. In my previous example, a Response implementing > RedirectResponse would expose a method `#sendRedirect(String url)`. The > advantage here is that we don't really need to know on which Response > implementation we are working on. > > WDYT ? > > Thanks, > > Clément > > [1] > https://github.com/xwiki/xwiki-platform/tree/master/

> > [2] > https://github.com/xwiki/xwiki-platform/blob/master/