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https://issues.apache.org/jira/browse/WICKET-4162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13155425#comment-13155425
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Bertrand Guay-Paquet commented on WICKET-4162:
----------------------------------------------

I had a look at your patch and it looks good.

One observation however: with the previous (flawed) scheme, a resource key 
namespace was created for each jar. With your modifications, this is no longer 
the case (i.e. a resource key is looked up in all initializers in whatever 
order they were added to the application). I don't think this is a problem 
presently, but some resource keys could be problematic (e.g. NavigatorLabel, 
UploadStatusResource.status, etc.) because they are somewhat generically named. 
Should the Wicket built-in resource keys be changed to something prefixed by 
the name of the module like "wicket-extensions.whatever"?

As for porting the modifications to 1.5, I don't think anybody had time to 
depend on the old resource loader class your patch replaces, so I'd vote for 
porting to 1.5.
                
> Add new StringResourceLoader to allow Wicket extensions to provide 
> localization resource bundles
> ------------------------------------------------------------------------------------------------
>
>                 Key: WICKET-4162
>                 URL: https://issues.apache.org/jira/browse/WICKET-4162
>             Project: Wicket
>          Issue Type: New Feature
>          Components: wicket
>    Affects Versions: 1.5.1
>            Reporter: Bertrand Guay-Paquet
>            Assignee: Sven Meier
>              Labels: extension, localization
>             Fix For: 1.5.3
>
>         Attachments: WICKET-4162.patch, jar_resource.patch
>
>
> Issue:
> It is currently not possible to provide default localization resource bundles 
> for components in wicket extension modules (e.g. wicket-extensions). See 
> issues WICKET-3911 and WICKET-4154 where this was a problem.
> Proposed changes:
> 1-Add a new IStringResourceLoader type (WicketExtensionStringResourceLoader?) 
> which checks the root of the jar containing the component for properties in 
> extension.properties.
> 2-Insert this new resource loader in the existing default resource loader 
> chain:
> ResourceSettings() constructor:
>               stringResourceLoaders.add(new ComponentStringResourceLoader());
>               stringResourceLoaders.add(new PackageStringResourceLoader());
>               stringResourceLoaders.add(new 
> ClassStringResourceLoader(application.getClass()));
>               // New loader inserted here
>               stringResourceLoaders.add(new 
> WicketExtensionStringResourceLoader());
>               stringResourceLoaders.add(new ValidatorStringResourceLoader());
> 3-Start adding extension.properties files in wicket-extension and friends.
> Questions:
> Is a similar effort already underway?
> Are there any better ideas?
> Should the new loader be inserted at the end of the chain instead?
> Do you prefer other names for the loader or the properties file?
> I am prepared to provide a patch sometime next week if this is agreed on.

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