hasFeature(featurestring) API for determining what components are
installed/enabled
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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
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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