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From "Musachy Barroso" <>
Subject Re: REST and JSON plugins
Date Mon, 14 Jul 2008 13:42:12 GMT
The original idea behind the JSON plugin was to use an external
library to serialize the objects, xstream to be more specific. But
xstream json wasn't even usable at that point and json-lib didn't look
that good to me. I think Struts 2 should include a json plugin, and
yes we could delegate the serialization to json-lib, or xstream.


On Mon, Jul 14, 2008 at 4:07 AM, Jeromy Evans
<> wrote:
> Oleg Mikheev wrote:
>> Hi!
>> Will REST plugin replace JSON plugin in Struts 2.1?
>> To my mind JSON plugin was very REST-like, and I was
>> really hoping that it would evolve into something that
>> REST plugin claims to be.
>> Also, do REST and JSON plugins have anything in common?
> They're not related except both can serialize an action/model into JSON.
> In the past I created a ContentTypeHandler for the REST Plugin that used the
> JSON plugin's serializer.  The result was exactly the same.
> The REST plugin uses json-lib for its default JSON ContentTypeHandler.
> (
> The advantage of JSON-lib is that it's bidirectional (essential for the
> plugin) and is used in many frameworks.
> The advantage of the JSON-plugin is that it includes some simple options to
> customize the output specifically for S2 (such as changing the root object).
> I've contributed to both the JSON plugin and REST plugin and use the JSON
> plugin when I'm writing plain actions that return JSON responses and
> json-lib when using the REST plugin.  The options the JSON-plugin provides
> are generally not relevant when using the REST plugin so it's not valuable
> to run both.
> The JSON plugin should probably be updated to allow the serializer to be
> customized so you can use the json-lib serializer or the native serializer.
>> After I read REST plugin author's Struts 2 in Action
>> book it seemed that he wasn't aware of JSON plugin at
>> all - he devoted several pages to implementation of a
>> custom JSON handlers instead of just dropping JSON
>> plugin into Struts 2 stack......
> I presume that's just because the JSON plugin isn't part of the Struts 2
> distribution per se.
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