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From "Claus Ibsen (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CAMEL-4797) DataFormat - unmarshal should allow to return Message or Exchange to make it more flexible
Date Mon, 19 Dec 2011 13:19:30 GMT
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
             Fix For: 2.10


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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