[jira] [Commented] (KAFKA-9202) serde in ConsoleConsumer with access to headers

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-9202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17004596#comment-17004596 ] 

ASF GitHub Bot commented on KAFKA-9202:
---------------------------------------

guozhangwang commented on pull request #7736: KAFKA-9202: serde in ConsoleConsumer with access to headers
URL: https://github.com/apache/kafka/pull/7736
 
 
   
 
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> serde in ConsoleConsumer with access to headers
> -----------------------------------------------
>
>                 Key: KAFKA-9202
>                 URL: https://issues.apache.org/jira/browse/KAFKA-9202
>             Project: Kafka
>          Issue Type: Improvement
>          Components: consumer
>    Affects Versions: 2.3.0
>            Reporter: Jorg Heymans
>            Assignee: huxihx
>            Priority: Major
>
> ML thread here : [https://lists.apache.org/thread.html/ab8c3094945cb9f9312fd3614a5b4454f24756cfa1a702ef5c739c8f@%3Cusers.kafka.apache.org%3E]
>  
> The Deserializer interface has two methods, one that gives access to the headers and one that does not. ConsoleConsumer.scala only calls the latter method. It would be nice if it were to call the default method that provides header access, so that custom serde that depends on headers becomes possible. 
> Currently it does this:
>  
> {code:java}
> deserializer.map(_.deserialize(topic, nonNullBytes).toString.
>         getBytes(StandardCharsets.UTF_8)).getOrElse(nonNullBytes)
> {code}
>  



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