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From "Rene Avontuur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAMEL-6794) XSLT Aggregation Strategies?
Date Thu, 10 Apr 2014 18:14:21 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-6794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13965634#comment-13965634
] 

Rene Avontuur commented on CAMEL-6794:
--------------------------------------

A solution for this issue has been made available here: [https://github.com/RAvontuur/camel/compare/CAMEL-6794]
It is fully based on the original idea as described above.

> XSLT Aggregation Strategies?
> ----------------------------
>
>                 Key: CAMEL-6794
>                 URL: https://issues.apache.org/jira/browse/CAMEL-6794
>             Project: Camel
>          Issue Type: New Feature
>          Components: camel-core
>    Affects Versions: 2.12.1
>            Reporter: Oliver Jelinski
>
> Hi Camel team,
> my wish for a new feature already came up a long time ago, in CAMEL-2820, but this was
closed, because the requester didn't give enough information on this. So I try it again, with
a bit more info...
> I am processing xml via camel a lot and I'm working a lot with the xslt component for
transformations. This works fine and I think it is solved by you in a very elegant way.
> But very often I also need to split my xml for processing of the maxOccurs="unbounded"-Elements
one-by-one. This also works fine, but when it comes to aggregating the elements again, I need
to write a java-AggregationStrategy for that.
> Basically, what the java AggregationStrategy does, would be also achievable with XSLT:
having an old exchange (that is null for the first aggregation) and a new exchange that are
however aggregated to a new object that has the same type as the body of the old exchange.
> In XSLT you can transform two (or more) files into one new file, So it would be totally
possible to process one xml-file of namespace x with root element x:a and another xml-file
with namespace y with root element y:b to a target file which also has the root-element x:a.
This could be repeated n times and would result in an element x:a. -- basically the same behaviour
as the java AggregationStrategies.
> So my wish would be to have something like
> <split strategyRef="xslt:MyTransformation.xslt" >
> ...
> </split>
> If I had that, I would save a lot of marshal/unmarshal operations. I would be glad, if
you took this into consideration.
> Best regards,
> Oliver



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