[xwiki-notifications] [Issue] Updated: (XWIKI-1986) hasFeature(featurestring) API for determining what components are installed/enabled

[Sergiu Dumitriu (JIRA)]

     [ http://jira.xwiki.org/jira/browse/XWIKI-1986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergiu Dumitriu updated XWIKI-1986:
-----------------------------------

    Fix Version/s: Future

> hasFeature(featurestring) API for determining what components are installed/enabled
> -----------------------------------------------------------------------------------
>
>                 Key: XWIKI-1986
>                 URL: http://jira.xwiki.org/jira/browse/XWIKI-1986
>             Project: XWiki Platform
>          Issue Type: New Feature
>          Components: APIs, Core
>            Reporter: Sergiu Dumitriu
>             Fix For: Future
>
>
> There is no good way of testing for an existing feature. The XWiki object provides some methods, like hasVersioning, hasRecycleBin or hasSectionEdit, some code tests if a plugin exists, and some code just assumes that a feature is always enabled.
> A proper way would be to have a "features" component, which can be used with calls like:
> if (Features.hasFeature("versioning"))
> if (Features.get("zipexplorer")) // returns boolean, not the implementation itself
> #if($features.charting)
> #if($features.hasFeature("tags", "2.0"))
> I don't know if the Features class should also link to the implementations for a feature, or just list the enabled features.

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