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https://issues.apache.org/jira/browse/WOOKIE-329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Scott Wilson updated WOOKIE-329:
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Fix Version/s: 0.14.0
> Adding features to Widgets in Wookie: improving feature management with
> versioning and dependencies
> ---------------------------------------------------------------------------------------------------
>
> Key: WOOKIE-329
> URL: https://issues.apache.org/jira/browse/WOOKIE-329
> Project: Wookie
> Issue Type: New Feature
> Components: Feature Management
> Reporter: Scott Wilson
> Labels: gsoc2012, mentor
> Fix For: 0.14.0
>
>
> Wookie allows the dynamic injection of feature implementations into Widgets;
> what this means is that when an author creates a Widget, and declares that it
> wants to use "feature xxx", then when the Widget is installed Wookie will
> look for a "feature xxx" and inject any JavaScript and CSS into the Widget
> specified in the Feature definition. This definition is an XML file that
> Wookie reads in on launch. For more information see
> http://incubator.apache.org/wookie/docs/developer/features.html
> However, there are some issues with this mechanism that could be improved.
> One is that sometimes one feature may depend on another - for example, if the
> feature required is JQuery Mobile, this also depends on JQuery; however as
> there is no way to handle this dynamically, the usual solution is to include
> all dependencies in the feature. However, if the same widget requires
> multiple features, each of which require the same set of dependencies, then
> it is very easy for a widget to end up with multiple versions of common
> includes such as JQuery.
> A related issue is versioning - if a widget author has tested their widget
> using a particular version of a feature, they don't want their widget to fail
> in deployment if there has been a breaking change in the latest version of
> the feature dynamically injected by Wookie.
> So overall there is a need to make features more robust and predictable for
> authors and with less duplication of common includes by adding dependencies
> and versioning to the feature management aspect of Wookie.
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