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Date: Thu, 18 Jun 2009 11:21:50 +0200
Message-ID: <a364c40b0906180221h80aabf8xb239aab400a720c4@mail.gmail.com>
Subject: Re: Can I call umarshall/marshall process/endpoint from a camel bean
	?
From: Charles Moulliard <cmoulliard@gmail.com>
To: users@camel.apache.org
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This is what I have done but unfortunately, Exchange is a required parameter
in both methods of DataFormat (
http://camel.apache.org/maven/camel-core/apidocs/org/apache/camel/model/dataformat/DataFormatType.html
):

  void *marshal<http://camel.apache.org/maven/camel-core/apidocs/org/apache/camel/model/dataformat/DataFormatType.html#marshal%28org.apache.camel.Exchange,%20java.lang.Object,%20java.io.OutputStream%29>
*(Exchange<http://camel.apache.org/maven/camel-core/apidocs/org/apache/camel/Exchange.html>
exchange,
Object<http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true>
graph,
OutputStream<http://java.sun.com/j2se/1.5.0/docs/api/java/io/OutputStream.html?is-external=true>
 stream)
          Marshals the object to the given Stream.

  Object<http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true>
*unmarshal<http://camel.apache.org/maven/camel-core/apidocs/org/apache/camel/model/dataformat/DataFormatType.html#unmarshal%28org.apache.camel.Exchange,%20java.io.InputStream%29>
*(Exchange<http://camel.apache.org/maven/camel-core/apidocs/org/apache/camel/Exchange.html>
exchange,
InputStream<http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true>
 stream)
          Unmarshals the given stream into an object.


On Thu, Jun 18, 2009 at 10:41 AM, Claus Ibsen <claus.ibsen@gmail.com> wrote:

> Hi
> The Data Format abstraction in Camel is a thin layer. So you could create
> your own POJO layer you can invoke.
> And in the impl of the POJO layer you more or less do the same as Camel
> does, but without the Exchange as parameter.
>
>
>
> On Thu, Jun 18, 2009 at 9:58 AM, Charles Moulliard <cmoulliard@gmail.com
> >wrote:
>
> > Hi,
> >
> > I would like to know if it is possible for a camel bean to call an
> > unmarshall/marshall endpoint/process (I don't know if it must be
> > considerate
> > as an endpoint or process) from a Camel bean ?
> >
> > In a normal routing, we call unmarshall/marshall like this :
> >
> >  <route>
> >    <from uri="direct:start"/>
> >    <marshal ref="myJaxb"/>
> >    <to uri="direct:marshalled"/>
> >  </route>
> >
> > What I would like to do is to declare marshal/unmarshal in a spring
> > DSL file (if it possible) and call it inside a bean ?
> > Why, because the payload to be marshalled/unmarshalled is part of an
> > object and I would like to keep this object during the pipeline route.
> >
> > ex
> >
> > <from uri=file://temp/data/>
> > <convertBodyTo type="java.io.String"/>
> > <bean ref="ServiceHelper" method="createRequest" /> // The Request
> > object is an object used by Hibernate and will contain the content of
> > the file. So this object cannot be unmarshalled/marshalled by its
> > content well
> > <bean ref="ServiceHelper" method="parseRequest" /> // Method who will
> > call the unmarshall/marshall endpoint / process defined in Spring DSL
> > file. This method send the string content to the endpoint
> > who will unmarshall by example the content into a collection of
> > Objects. The result is saved into the object Request
> > <bean ref=ServiceHelper" method="saveRequest"/>
> >
> > because it is not possible to do this without loosing the Request object
> >
> > <from uri=file://temp/data/>
> > <convertBodyTo type="java.io.String"/>
> > <bean ref="ServiceHelper" method="createRequest" />
> > <unmarshall ref="csbBindyDataFormat"/>
> > <bean ref=ServiceHelper" method="saveRequest"/>
> >
> >
> > Regards,
> >
> > Charles Moulliard
> > Senior Enterprise Architect
> > Apache Camel Committer
> >
> > *****************************
> > blog : http://cmoulliard.blogspot.com
> >
>
>
>
> --
> Claus Ibsen
> Apache Camel Committer
>
> Open Source Integration: http://fusesource.com
> Blog: http://davsclaus.blogspot.com/
> Twitter: http://twitter.com/davsclaus
>

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