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https://issues.apache.org/jira/browse/JOHNZON-203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16772844#comment-16772844
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Mark Struberg commented on JOHNZON-203:
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I suggest we still solve this at least in our Mapper.

There is one very important use case for it: You transform an Object but then 
you want to modify the {{JsonObject}}, eg if you want to adopt it to an old 
version.

> How do I map a Java Bean to javax.json.JsonValue?
> -------------------------------------------------
>
>                 Key: JOHNZON-203
>                 URL: https://issues.apache.org/jira/browse/JOHNZON-203
>             Project: Johnzon
>          Issue Type: New Feature
>    Affects Versions: 1.1.11
>            Reporter: Alexander Falb
>            Priority: Major
>
> From what I understand {{org.apache.johnzon.mapper.Mapper}} is ment to map 
> Java Beans to JSON strings.
> Is there a way to map from a Java Bean to a {{javax.json.JsonValue}} and from 
> JsonValue to a JSON string?
> I would need the intermediate JsonValue based structure for further 
> processing before writing the final JSON string. The only way I'm curently 
> aware of is writing the JSON string and reading it again with 
> {{javax.json.Json.createReader(new StringReader(jsonString)).readObject()}}, 
> which is ok as a workaround, but not optimal as final solution.



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