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https://issues.apache.org/jira/browse/SLING-7429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16644001#comment-16644001
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Konrad Windszus commented on SLING-7429:
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There are already two methods within {{ResourceBundleProvider}}
(https://github.com/apache/sling-org-apache-sling-i18n/blob/master/src/main/java/org/apache/sling/i18n/ResourceBundleProvider.java)
# {{ResourceBundle getResourceBundle(Locale locale);}} and
# {{ResourceBundle getResourceBundle(String baseName, Locale locale);}}
The 2nd one states in the javadoc
{code}
* @param baseName The base name for the resource bundle. If this is
* <code>null</code>, the same resource bundle will be
* returned as when calling the
* {@link #getResourceBundle(Locale)} method.
{code}
So in fact in the javadoc there is not even a reference to the empty string.
Even in the code I don't find any reference (at least any longer). It seems
that this commit
https://github.com/apache/sling-org-apache-sling-i18n/commit/14fd345666afccdf990a625a5517b57571213c99#diff-4a73b3fae7dd1d27c037456858d5e603
slightly changed the semantics anyway. Prior to this commit it was rather
# {null} and {""} behave the same, afterwards
# selects messages of mix:language nodes which have sling:basename properties
with the empty value.
Unfortunately there doesn't seem to be a good IT validating the empty string
semantics for the base name.
Let me first come up with an IT validating my assumptions based on code
inspection.
> Improve basename handling
> -------------------------
>
> Key: SLING-7429
> URL: https://issues.apache.org/jira/browse/SLING-7429
> Project: Sling
> Issue Type: Improvement
> Components: i18n
> Affects Versions: i18n 2.5.12
> Reporter: Konrad Windszus
> Priority: Major
>
> Right now the basename handling according to
> https://sling.apache.org/documentation/bundles/internationalization-support-i18n.html#resourcebundle-with-base-names
> is as follows
> {quote}
> The base name argument can take one three values:
> # {{null}}, selects messages of mix:language nodes ignoring the existence or
> absence of sling:basename properties
> # Empty String, selects messages of mix:language nodes which have
> sling:basename properties, ignoring the actual values
> # Any other Value, selects messages of mix:language nodes whose
> sling:basename properties has any value which matches the base name string
> {quote}
> I think it should somehow be also possible for a client to explicitly select
> a resource bundle which is not having the {{sling:basename}} property set.
> This was originally triggered from
> https://issues.apache.org/jira/browse/SLING-7421?focusedCommentId=16335686&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16335686.
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