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From Claus Ibsen <claus.ib...@gmail.com>
Subject Re: camel flatpack component shortcomings
Date Sat, 06 Feb 2016 17:12:58 GMT
Hi

Yeah sure we love contributions. You can read here how-to
http://camel.apache.org/contributing

On Sat, Feb 6, 2016 at 4:14 PM, Ronny Aerts <ronny.aerts@intris.be> wrote:
> Hallo camel community,
>
> I am a heavy user of camel in the integration projects in the company I work for. We
use camel 2.15.2 and all routes are defined using spring dsl (no java).
>
> I have to do several fixed-length conversions where I have a lot of differences per line
in the file. Each line contains some kind of record type field the beginning of the line.
>
> I came across the camel flatpack component<http://camel.apache.org/flatpack.html>
to fulfill my request using the "fixed" format with pzmap/record definitions. I decided to
use the flatpack dataformat<http://camel.apache.org/flatpack-dataformat.html> to do
the actual conversion (unmarshal) as shown below.
> <unmarshal>
>             <flatpack fixed="true" definition="whorder/PEOPLE-FixedLengthWithHeaderTrailer.pzmap.xml"/>
>       </unmarshal>
> I have several points about this unmarchal:
>
> 1.       The output of the unmarchal is a org.apache.camel.component.flatpack.DataSetList
and although it is not so difficult to process in java, it is more difficult in spring dsl.
I didn't found any camel convertor from org.apache.camel.component.flatpack.DataSetList to
anything so I created one to convert to an ArrayList. A standard camel converter for this
would be handy.
>
> 2.       The DataSetList as output format loses information from the original net.sf.flatpack.DataSet.
It would handy to have to possibility to choose the output format for the flatpack dataformat.
>
> 3.       The use of "special records" is a very handy feature of the flatpack library.
These "special records" are supported in de DataSetList BUT only if header/trailing id's "header"
and "trailer" are used. Any other id's will fail and that is a petty since it is possible
to have it more flexible.
>
> I would like to contribute to this camel component but I'm not registered yet.
>
> --
> Kind regards,
> Ronny Aerts<mailto:ronny.aerts@intris.be> - Intris nv - Wapenstilstandlaan 47,
2600 Berchem, Belgium
> R&D Integration Architect
> Prince II<http://en.wikipedia.org/wiki/PRINCE2> certified - ITIL<http://en.wikipedia.org/wiki/Information_Technology_Infrastructure_Library>
certified
> Tel: +32-3-326.50.75
>
> Intris nv
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<http://www.intris.be>
>
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-- 
Claus Ibsen
-----------------
http://davsclaus.com @davsclaus
Camel in Action 2: https://www.manning.com/ibsen2

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