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https://issues.apache.org/jira/browse/AXIOM-335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13096855#comment-13096855
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Hudson commented on AXIOM-335:
------------------------------

Integrated in ws-axiom-trunk #540 (See 
[https://builds.apache.org/job/ws-axiom-trunk/540/])
    AXIOM-240: Reverted part of r688927: XOP no longer requires special 
attention since AXIOM-255 and AXIOM-335 have been fixed.

veithen : 
Files : 
* 
/webservices/commons/trunk/modules/axiom/modules/axiom-impl/src/main/java/org/apache/axiom/om/impl/llom/OMElementImpl.java


> DataHandler extension should support deferred loading/parsing
> -------------------------------------------------------------
>
>                 Key: AXIOM-335
>                 URL: https://issues.apache.org/jira/browse/AXIOM-335
>             Project: Axiom
>          Issue Type: Improvement
>    Affects Versions: 1.2.8
>            Reporter: Andreas Veithen
>            Assignee: Andreas Veithen
>             Fix For: 1.2.9
>
>
> The XMLStreamReader extension defined by the IS_DATA_HANDLERS_AWARE, 
> IS_BINARY and DATA_HANDLER properties (see OMConstants) currently only allows 
> immediate loading of the DataHandler. This extension could be leveraged in a 
> wider range of use cases if it also allowed deferred loading of the 
> DataHandler: in this case the consumer of the XMLStreamReader would get a 
> reference/link to the binary data but would fetch the DataHandler only when 
> required (as Axiom does when processing an MTOM/XOP message).
> This improvement could be implemented by defining a set of additional 
> properties, but a purely property based solution is not very usable, 
> difficult to document and also not very efficient. The proposal is therefore 
> to define an extension interface (with methods isBinary(), isDeferred(), 
> getDataHandler(), etc.) as well as a single property that allows the consumer 
> of the XMLStreamReader to query that extension interface. Of course care 
> would be taken to maintain compatibility with the existing DataHandler 
> extension.

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