If Struts 1 decided to go with Cintoo, I think it would be good for Struts 2 to
adopt it as well, as it would make migration easier, and reduce the number of
differences between the two versions. I'd like to take that approach with other
areas like validation and annotations in the future.
Don
Niall Pemberton wrote:
On 6/30/06, Paul Benedict <[EMAIL PROTECTED]> wrote:
Joe Germuska <[EMAIL PROTECTED]> wrote:That said, I don't think you
should not do the work you describe,
just because you may have to leave the Localizer (or whatever you
call it) in the ServletContext under a well known key. It's just
that it feels so outdated!
Here's my solution. Unless anyone feels strongly about it, I am going
to open up a ticket and submit my patch.
1) I am going to retain the Globals.LOCAL_KEY as the constant for
session-strategy localization. Previous applications will continue
using this without a problem.
2) I am going to add a LOCAL_RESOLVER_KEY constant which returns an
object that implements these methods:
Locale resolveLocale(HttpServletRequest request);
void setLocale(HttpServletRequest request, HttpServletResponse
response, Locale locale);
These methods will not be of any interface. The resolver object can be
any class which implements those two methods, and I will use BeanUtils
to retrieve them. The reason I am choosing this design over an
interface is because I want to plug in implementations from any
framework (like Struts2 or Spring) without requiring an adapter
interface. At most, the adapter interface would be just a pass-through
and so it has questionable value.
3) Modify RequestUtils.getUserLocale to lookup the stategy first and
use it. RequestUtils will have a pre-built strategy for doing session
look-up, to implement requirement #1 (see above).
4) Modify Action.get/setLocale to delegate to the locale strategy. The
retrieval of the strategy will most likely be in RequestUtils.
If this works right, I should be able to punch to bridge Struts 1,
Struts 2, and Spring all behind the scenes. For those developing
Struts 2, do you have any class which comes close to the above? I'd
like to coordinate with you so that Struts1-Struts2 apps can bridge
localization in the 2.0.0 release.
I had a quick peek at Cintoo messages today (Apache 2 license) -
initial impression was its a nice implementation for i18n. They use
ThreadLocale to store the Locale which makes it available everywhere.
I believe that approach has been used by the ww guys and from memory I
think there are similar concepts for configuring resources
(packaging). It would interesting to hear one of the WW guys if they
had time to look at it. Perhaps we can use it to do the job Commons
Resources was intended for.
Anyway I digress, this would be one way of making Locale available all
over the place (messages, validation, tiles) without necessarily
changing the API.
http://messages.cintoo.org/
http://www.theserverside.com/news/thread.tss?thread_id=41116
http://www.infoq.com/news/Cintoo-Messages-1.0-i18n
Niall
P.S. don't look at the cintoo site using IE - its a mess - OK in firefox
though.
I am targetting 1.3.6+
Paul
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