[jira] [Assigned] (SLING-9620) ResourceMapperImpl.getAllMappings does not respect multi-valued sling:alias

["Robert Munteanu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-9620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Munteanu reassigned SLING-9620:
--------------------------------------

    Assignee: Robert Munteanu

> ResourceMapperImpl.getAllMappings does not respect multi-valued sling:alias
> ---------------------------------------------------------------------------
>
>                 Key: SLING-9620
>                 URL: https://issues.apache.org/jira/browse/SLING-9620
>             Project: Sling
>          Issue Type: Bug
>          Components: ResourceResolver
>    Affects Versions: Resource Resolver 1.6.16
>            Reporter: Angela Schreiber
>            Assignee: Robert Munteanu
>            Priority: Major
>             Fix For: Resource Resolver 1.6.18
>
>         Attachments: SLING-9620-test.patch
>
>
> while investigating an issue involving {{sling:alias}}, i ended up manually adding the property using JCR API calls. this involved first adding the {{sling:ResourceAlias}} and i noticed that {{sling:alias}} can be both single or multi-valued according to the node type definition:
> {code}
> / Mixin node type to enable setting an alias on a resource
> [sling:ResourceAlias]
>     mixin
>   
>     // alias name(s) for the node (single or multi-value)
>   - sling:alias (string)
>   - sling:alias (string) multiple
> {code}
> when setting multiple values for the {{sling:alias}} property, i found that {{ResourceMapper.getAllMappings}} only returns the first alias.
> looking at the implementation in {{ResourceMapperImpl.loadAliasIfApplicable}}, it seems that line 216 ({{String alias = ResourceResolverControl.getProperty(current, ResourceResolverImpl.PROP_ALIAS);}}), is the culprit as call will in any case just return a single string (it calls {{getProperty(res, propName, String.class)}}).
> as a consequence consumers of the {{ResourceMapper.getAllMappings}} method will not get a complete list of all aliases available.



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