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https://issues.apache.org/jira/browse/KAFKA-6561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16364485#comment-16364485
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ASF GitHub Bot commented on KAFKA-6561:
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soenkeliebau opened a new pull request #4571: KAFKA-6561: Change visibility of
aclMatch in SimpleAclAuthorizer to allow access from subclasses
URL: https://github.com/apache/kafka/pull/4571
Currently the visibility of the aclMatch function in the SimpleAclAuthorizer
class is set to private, thus prohibiting subclasses from overriding this
method. I think this was originally done as this function is not supposed to be
part of the public Api of this class, which makes sense.
However when creating a custom authorizer this would be a very useful method
to override, as it allows to reuse a large amount of boilerplate code around
loading and applying ACLs and simply changing the way that ACLs are matched.
By changing the visibility to _protected_ we allow subclasses to override
this.
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> Change visibility of aclMatch in SimpleAclAuthorizer to protected to allow
> overriding in subclasses
> ---------------------------------------------------------------------------------------------------
>
> Key: KAFKA-6561
> URL: https://issues.apache.org/jira/browse/KAFKA-6561
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.0.0
> Reporter: Sönke Liebau
> Assignee: Sönke Liebau
> Priority: Minor
>
> Currently the visibility of the
> [aclMatch|https://github.com/apache/kafka/blob/trunk/core/src/main/scala/kafka/security/auth/SimpleAclAuthorizer.scala#L146]
> function in the SimpleAclAuthorizer class is set to private, thus
> prohibiting subclasses from overriding this method. I think this was
> originally done as this function is not supposed to be part of the public Api
> of this class, which makes sense.
> However when creating a custom authorizer this would be a very useful method
> to override, as it allows to reuse a large amount of boilerplate code around
> loading and applying ACLs and simply changing the way that ACLs are matched.
> Could we change the visibility of this method to protected, thus still
> keeping it out of the public interface but allowing for subclasses to
> override it?
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