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Posted to dev@sling.apache.org by "Justin Edelson (JIRA)" <ji...@apache.org> on 2017/03/16 18:53:41 UTC
[jira] [Commented] (SLING-6655) Remove untyped getModelFrom*
methods from ModelFactory
[ https://issues.apache.org/jira/browse/SLING-6655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15928634#comment-15928634 ]
Justin Edelson commented on SLING-6655:
---------------------------------------
These methods exist for loosely typed scripting languages where you don't know the target class or interface, but just want the related model.
> Remove untyped getModelFrom* methods from ModelFactory
> ------------------------------------------------------
>
> Key: SLING-6655
> URL: https://issues.apache.org/jira/browse/SLING-6655
> Project: Sling
> Issue Type: Wish
> Affects Versions: Sling Models Impl 1.3.0
> Reporter: Dirk Rudolph
>
> As far as I understood the the whole story behind Sling Models API is/was that it can be used to adapt ordinary objects to typed objects. With adding {{Object getModelFromResource(...)}} and {{getModelFromRequest(...)}} this paradigm has been broken. Just looking at the API, what is the purpose of that methods? I agree that it makes much sense to have a binding between the resourceType of {{Resource}} and maybe even {{SlingHttpServletRequest}} and a model, but this resulting into an ordinary object from API perspective makes it kind of pointless.
> I propose:
> * mark them as deprecated as already done in SLING-6652
> * let them throw {{UnsupportedOperationException}} to prevent them being used
> * remove them in the next major API release
> * move the logic of "finding the nearest implementation by resourceType* to {{ResourceTypeBasedResourcePicker}}
> and for the exporter:
> * if a {{@Model}} has an {{@Exporter}} implicitly registered it with the {{implType}} as {{adapterType}}, if not already done
> * use the {{implType}} in the {{ExporterServlet}} to adapt from request or {{Resource}} to the model object
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