On 01/08/2018 12:29 PM, Thomas Mortagne wrote:
> Sounds good.
> 
> +1 for RedirectResponse interface

Nice; just created XWIKI-14948 to deal with this particular interface.
We should be able to find more decorators in the near future.

> On Mon, Jan 8, 2018 at 11:51 AM, Clément Aubin <[email protected]> wrote:
>> 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/xwiki-platform-core/xwiki-platform-containers/xwiki-platform-container-api/src/main/java/org/xwiki/container
>>
>> [2]
>> https://github.com/xwiki/xwiki-platform/blob/master/xwiki-platform-core/xwiki-platform-containers/xwiki-platform-container-api/src/main/java/org/xwiki/container/Response.java
> 
> 
> 

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