[Engine-devel] Dynamic resource loading in GWT

Itamar Heim iheim at redhat.com
Mon Aug 19 22:34:48 UTC 2013


On 08/07/2013 08:10 AM, Tomas Jelinek wrote:
> Hey Roy,
>
> well, I'm not a fan of using the dictionary - it is an associative array and opens a door to
> mistakes which will not be handled by compiler like locales.get("naem") will not return me the name :)
> At least not for data we know how will look like (e.g. for the os info)
>
> We already embed some info into the host page and use it on the client using JavaScript Overlay Types [4].
>
> You can have a look for example at GwtDynamicHostPageServlet:
> request.setAttribute(MD5Attributes.ATTR_USER_INFO.getKey(), getUserInfoObject(loggedInUser));
> and on the FE side the overlay type is: AutoLoginData
>
> But I would be careful how much info do we want to embed into the host page - it can make it significantly big
> and influence the performance (for example we are using code splitting [5] to download only the parts of the app
> we actually need when we need them). To embed too much info which is not always needed is a step to the opposite
> direction. I don't say it is wrong, it just has to be considered.
>
> Tomas
>
> [4]: http://googlewebtoolkit.blogspot.cz/2008/08/getting-to-really-know-gwt-part-2.html
> [5]: http://www.gwtproject.org/doc/latest/DevGuideCodeSplitting.html

there is still the point of having multiple files, which seems like an 
easy win by merging to a single file, and if needed, using pre-compile 
to create the cloned files



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