[jira] [Resolved] (CAMEL-4797) DataFormat - unmarshal should allow to return Message or Exchange to make it more flexible

["Babak Vahdat (Resolved) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-4797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Babak Vahdat resolved CAMEL-4797.
---------------------------------

    Resolution: Fixed
    
> DataFormat - unmarshal should allow to return Message or Exchange to make it more flexible
> ------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-4797
>                 URL: https://issues.apache.org/jira/browse/CAMEL-4797
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-core
>            Reporter: Claus Ibsen
>            Assignee: Babak Vahdat
>             Fix For: 2.10.0
>
>
> The API of the unmarshal on DataFormat is
> {code}
>     Object unmarshal(Exchange exchange, InputStream stream) throws Exception;
> {code}
> The Object returned is by default the message body. But we should allow end user to return also a
> - org.apache.camel.Message
> - org.apache.camel.Exchange
> If its a Message then use the message returned.
> If its a Exchange then copy the results from the exchange to the current exchange (normally it would be the same instance, so its a noop operation)
> We supports this for the splitter, where people can return a List<Message> in the split expression etc.

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