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https://issues.apache.org/jira/browse/ISIS-1846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16334084#comment-16334084
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Andi Huber commented on ISIS-1846:
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One possible solution:
We consolidate all internal utility classes in *isis-core-applib* under
*org.apache.isis.applib.internal.xxx*, put some 'Please do not use, will be
removed with Java9' warnings into each classes java-doc and ignore the fact,
that some developers might accidentally use these classes.
> API Cleanup: code deduplication
> -------------------------------
>
> Key: ISIS-1846
> URL: https://issues.apache.org/jira/browse/ISIS-1846
> Project: Isis
> Issue Type: Sub-task
> Components: Core
> Reporter: Andi Huber
> Priority: Major
> Fix For: 2.0.0-M1
>
>
> isis-core-applib would be the perfect place to consolidate any internal
> utility classes such as
> NullSafe (common null check idioms), StringExtensions, ordering algorithms,
> etc ...
> but we would want to keep these classes contained, meaning they should not be
> available for public use, just for internal use within Isis' code-base.
> Java 9 has the perfect solution for this. But what can we do in the meantime
> (with Java 8)?
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