Saturday, February 20, 2016

Re: ProjectStruture

Hi Sam, 

Think of it differently. 
GWT is a java compiler at first. You live in a HTML5 system. 
This system supports String operations (so that JSON+XML).
It supports File Download\Uploads (and binary).
It supports HTTP requests.
It supports DOM, Canvas rendering, WebGL + 3D VR + Web 3d Audio, e,t,c.

As a result all of that is supported in GWT.

Right ?

On Saturday, February 20, 2016 at 7:48:06 PM UTC+3, Sam Wootton wrote:
Thanks Jens... perfect. Exactly what I was after (before I disappeared down a dead-end of rpc calls and tons of re-writing, which I'd probably give up on).

Loads to look in to, and get going on.  Thank you. I'll see how far I get and post any questions I have.  Hopefully my only remaining concern is the file upload and download functionality.

Thanks again, much appreciated.

Regards, Sam

On 20 February 2016 at 15:46, Jens <> wrote:
GWT-RPC is just one convenient way to communicate with a server using GWT. However GWT-RPC uses its own serialization format that is based on JSON. While convenient to use GWT-RPC also has some pain points that are often discovered later.

If you just want to make a POST / GET to an URL and transfer some serialized data (JSON, XML, custom) you can use GWT's RequestBuilder class (which is actually used internally by GWT-RPC as well). In order to get your XML going you can use GWT's XML API or use a library that maps from Java POJOs to/from XML. As example of such a library take a look at

The above should allow you to not rewrite all the server side code.

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