Re: Best Practice for JSON object recreation on client

Hi,

I am using resty-gwt. Resty-gwt had his own (forked from jackson I believe) json serialization classes. But now Rest-gwt is switching to gwt-jackson. I haven't managed to get gwt-jackson to work with my setup (yet) but looks like a valid path forward.

In the server I am using CXF and the normal jackson. I am not saying everything is perfect but most of my objects are transferred without a fuss. In some cases where the object is complicated (e.g. Collection<Map<T, Collection<V>> members or inheritance) I have to provide a custom provider that knows how to deal. However this was a one time pain for me. Now I have forgotten all the terrifying details and it just works.

I am sure there are other solutions like GSON which I don't have any experience with.

Furthermore with the upcoming GWT3 which will deprecate generators all these projects have a scheduled rewrite pending... So who knows?

    Vassilis

On Thu, Aug 18, 2016 at 10:33 AM, Max Fromberger <max.fromberger@gmail.com> wrote:

Hello everybody,

First of all a big THANKS to everyone involved in developing and supporting GWT.

please correct me wherever I am wrong:

In the past you used JsonUtils.safeEval() to create a JavaScriptObject from a JSON String. As i understand it, jsinterop annotations on classes not extending JavaScriptObject are now preferred over JavaScriptObjects.

What is the recommended, future-proof way of having a server-client common class (i.e. package "shared") that can be:

- created and accessed in a JVM servlet
- created and accessed from the client end
- serialized to JSON / deserialized from JSON to the specific class on the server (e.g. using GSON)
- serialized to JSON / deserialized from JSON to the specific class on the client

Background: Using WebSocket Servers to bidirectionally transfer JSONified objects. No GWT-RPC involved.
Trying to avoid duplicate environment specific classes, boilerplate code etc.

Thanks for every clue and please overlook me not having a native English interface. ;)



kind regards,
max

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Vassilis Virvilis

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