[jira] [Commented] (SLING-3420) Implement ModifyingResourceProvider

["Carsten Ziegeler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SLING-3420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13917003#comment-13917003 ] 

Carsten Ziegeler commented on SLING-3420:
-----------------------------------------

Maybe you have not looked at the method I added, it is just a method for merging paths and does not do any modifications, so I don't see how your -1 applies here.

> Implement ModifyingResourceProvider
> -----------------------------------
>
>                 Key: SLING-3420
>                 URL: https://issues.apache.org/jira/browse/SLING-3420
>             Project: Sling
>          Issue Type: New Feature
>          Components: Extensions
>    Affects Versions: Resource Merger 1.0.0
>            Reporter: Carsten Ziegeler
>            Assignee: Carsten Ziegeler
>             Fix For: Resource Merger 1.0.2
>
>
> The resource merger merges resources from the search paths. This is very useful for reading/getting such resources.
> However, as soon as you want to modify, create or delete such resources the code doing so needs more knowledge about how the resource merger works. And the code needs to switch from the mount path to a search path etc.
> Therefore, the resource merging provider could directly implement the modifying resource provider:
> - if the resource resolver is configured with less than two search paths, modifying is denied
> - the last search path (e.g. by default /libs/) is considered to be unchangeable, so all operations are done on a higher search path
> 1. Create
> This creates a node at the second last search path (e.g. /apps)
> 2. Delete
> If there is a node at /libs, a node hiding this one is created at /apps. Otherwise the node at /apps is removed
> 3. Update
> Creates/updates a node at /apps
> All these methods need to check whether resource hiding is used and adjust the properties accordingly



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