[jira] Commented: (SHINDIG-1474) Relax field and constructor modifiers in GadgetSpec to make it easier to extend

["Mat Mannion (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SHINDIG-1474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12934438#action_12934438 ] 

Mat Mannion commented on SHINDIG-1474:
--------------------------------------

Reviewable at http://codereview.appspot.com/3255041/

> Relax field and constructor modifiers in GadgetSpec to make it easier to extend
> -------------------------------------------------------------------------------
>
>                 Key: SHINDIG-1474
>                 URL: https://issues.apache.org/jira/browse/SHINDIG-1474
>             Project: Shindig
>          Issue Type: Improvement
>          Components: Java
>    Affects Versions: 2.0.2
>            Reporter: Mat Mannion
>             Fix For: 3.0.0
>
>         Attachments: shindig-1474.diff
>
>
> In our application, we have a requirement to extend GadgetSpec so that we can parse a custom namespace on the gadget XML that provides extra information to the spec about (e.g.) validation of UserPrefs.
> Unfortunately, it isn't possible to directly extend GadgetSpec at the moment, because the substitute() method creates a new instance of the GadgetSpec (not the extended class). It isn't possible to extend the substitute() method because it calls a private constructor and sets private fields on GadgetSpec that can't be set from a subclass.

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