[jira] [Updated] (CAMEL-5330) Supporting Camel-CXFs Provider's null response handling (a way to dynamically indicate no response should be sent back)

["Aki Yoshida (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-5330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aki Yoshida updated CAMEL-5330:
-------------------------------

    Attachment: trunk-camel-cxf-patch.diff
    
> Supporting Camel-CXFs Provider's null response handling (a way to dynamically indicate no response should be sent back) 
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-5330
>                 URL: https://issues.apache.org/jira/browse/CAMEL-5330
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-cxf
>    Affects Versions: 2.9.2
>            Reporter: Aki Yoshida
>             Fix For: 2.9.3, 2.10.1
>
>         Attachments: trunk-camel-cxf-patch.diff
>
>
> A Camel-CXF's provider endpoint returns an HTTP 200 with an empty SOAP message when it should be returning an HTTP 202 with no content.
> This is analogue to the jaxws's Provider behavior implemented in:
> CXF-3926 Supporting JAXWS Provider's null response handling (the provider's invoke may return a null to indicate no response should be sent back)
> where property jaxws.provider.interpretNullAsOneway at the endpoint determines whether a null is interpreted as a oneway call (i.e. no response).
> Concretely, Jaxws 2.2 section 5.1.1 states:
> "When an invoke method returns null, it is considered that no response needs to be sent by service."
> This use case assumes there is no information about the operation's MEP (no wsdl, no java annotation).
> This offers an option of using a provider endpoint to dynamically change its response behavior based on the retern value.
> Namely, if the service returns a non-null value, the response is a normal HTTP 200 with the corresponding payload. In contrast, if the service returns a null, the response becomes an HTTP 202 with no content. 
> I think it makes sense to align the Camel-CXF Provider's endpoint to support this behavior.
> I am proposing a fix in DefaultCxfBinding to provide this behavior.
> Additionally, to simplify the configuration of a provider endpoint,  I think it is practical to introduce a default payload provider SEI so that the provider SEI does not explicitly configured in the endpoint configuration.
> I am attaching a patch file including these changes and test cases to illustrate these points.
> Could you have a look at this?
> Thanks
> regards, aki

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