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https://issues.apache.org/jira/browse/SLING-12824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17956374#comment-17956374
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Julian Reschke commented on SLING-12824:
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(fixed the second link)
Ok, so for absolute paths, the return value only gets null when invoked on the
root.
I'll try to slightly improve the Javadoc and maybe the test coverage.
> ResourceUtil: add "'isRoot(String path)"
> ----------------------------------------
>
> Key: SLING-12824
> URL: https://issues.apache.org/jira/browse/SLING-12824
> Project: Sling
> Issue Type: Wish
> Components: API
> Reporter: Julian Reschke
> Assignee: Julian Reschke
> Priority: Minor
>
> I keep getting confused how to check the result of
> {{ResourceUtil.getParent(String)}} for the root path.
> https://sling.apache.org/apidocs/sling9/org/apache/sling/api/resource/ResourceUtil.html#getParent-java.lang.String-
> gives two reasons for the return value being null.
> https://sling.apache.org/apidocs/sling9/org/apache/sling/api/resource/ResourceUtil.html#getParent-java.lang.String-int-
> gives only one reason, but I suspect this in incorrect.
> so, FWIW, what is the return value for {{getParent("/")}}?
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