Well,
If I take a look at for instance the servlet-service snippet below which I
renamed to "myservice-pipeline"
<map:match pattern="ssf/myservice-pipeline">
<map:generate type="service-consumer" />
<map:transform src="sax-pipeline/simple.xslt"> [2]
<map:parameter name="myParam" value="serializer-pipeline" />
</map:transform>
<map:serialize type="xml" />
</map:match>
It includes an extra transformation step. So it's not really uniquely defined
as either a serializer OR transformer service. It can be invoked by
<map:transform type="servlet-service">
<map:parameter name="service" value="servlet:/ssf/myservice-pipeline"
/>
</map:transform>
OR
<map:serialize type="servlet-service">
<map:parameter name="service" value="servlet:/ssf/myservice-pipeline"
/>
</map:serialize>
Both invocations of this service would work. That's what I mean with ambiguous
names.
Robby
-----Original Message-----
From: Reinhard Pötz [mailto:[email protected]]
Sent: Monday, May 11, 2009 10:20 PM
To: [email protected]
Subject: Re: cocoon 3 sample: remark about usage of servlet-service demo
Robby Pelssers wrote:
> Hi all,
>
> Taking a quick look at the cocoon 3 sample I noticed that the
> “transformer-pipeline” and “serializer-pipeline” are sort of the same
> except for myParam which get’s another value.
>
> I noticed as well that I can’t leave out the <map:serialize
> type=”xml”/> from the transformer-pipeline. Otherwise I get following
> exception “java.lang.IllegalStateException: Cannot execute pipeline,
> last pipeline component is no finisher”.
>
> So is it fair to conclude that every ‘transformation servlet service’ is
> inherent also a ‘serializer servlet service’?
yes
> And what bugs me a bit is that [1] throws in a /free/ transformer…
> “simple.xslt”. [2] This makes things a bit confusing in my opinion.
> It seems that these servlet-services actually do more then their names
> imply.
sorry, I can't follow you here. What do the names imply in your opinion?
--
Reinhard Pötz Managing Director, {Indoqa} GmbH
http://www.indoqa.com/en/people/reinhard.poetz/
Member of the Apache Software Foundation
Apache Cocoon Committer, PMC member [email protected]
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