I am running into a strange issue with Apache Camel and Spring DSL. Here is
an excerpt of my Spring defined route:
<route>
<from uri="direct:process-xml"/>
<setHeader headerName="documentRootOid">
<method bean="foo.bar.util.TranslatorUtil"
method="extractDocumentRootOid"/>
</setHeader>
<setHeader headerName="organization">
<method bean="foo.bar.util.OrgServices"
method="getOrganizationByOid(*,${header.documentRootOid})"/>
</setHeader>
<setHeader headerName="organizationStyleSheet">
<method bean="foo.bar.util.TranslatorUtil"
method="extractStyleSheetAttributeFromOrganization(*,${header.organization})"/>
</setHeader>
<bean beanType="foo.bar.util.Utils"
method="transformBodyUsingStyleSheet(*,${header.organizationStyleSheet}"/>
....
</route>
Everything works fine up until the last line that I posted. The
extractDocumentRootOid(Exchange exchange) java method is executed and the
result is stored to the "documentRootOid" header. The
getOrganizationByOid(Exchange exchange, String oid) java method is executed
and the result is stored to the "organization" header. The
extractStyleSheetAttributeFromOrganization(Exchange exchange, Organization
organization) java method is executed and the result is stored to the
"organizationStyleSheet" header.
Once it gets to the "transformBodyUsingStyleSheet" method, things get weird.
Here is my method declaration:
public void transformBodyUsingStyleSheet(Exchange exchange, String
styleSheet)
I put a debugger on the first line of the method and the "styleSheet" value
always appears to be the exchange body, NOT the value that I am trying to
pass in (${header.organizationStyleSheet}). If I look at the headers through
a debugger, I see my "organizationStyleSheet" header and the value that I
expect, so I am guessing that there is an issue with my bean parameter
bindings? Has anyone else ran into this before?
Thanks for any help you can provide.
P.S. I tried replacing "*" with "${exchange}" but got a number of errors
saying "org.apache.camel.ExpressionEvaluationException: Cannot
create/evaluate simple expression: ${exchange} to be bound to parameter at
index: 0 on method"
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