Be able to use constant from java classes in Spring XML
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Key: CAMEL-3167
URL: https://issues.apache.org/activemq/browse/CAMEL-3167
Project: Apache Camel
Issue Type: New Feature
Components: camel-core, camel-spring
Affects Versions: 2.4.0
Reporter: Claus Ibsen
Priority: Minor
Fix For: 2.6.0
For example you want to do
{code:xml}
<setHeader headerName="Exchange.CONTENT_TYPE">
<constant>application/exi</constant>
</setHeader>
{code}
By using the constants on {{Exchange}} you can have Camel check this on
startup, that the constant exists and use its value. This ensures that any
spelling errors is detected on startup. So if you typed:
{code:xml}
<setHeader headerName="Exchange.CNTENT_TYP">
<constant>application/exi</constant>
</setHeader>
{code}
Then Camel can see there is no constant with the name {{CNTENT_TYP}} and throw
an exception on startup.
This also makes it easier to do a 1:1 between Java DSL and Spring XML.
See also
http://fusesource.com/forums/thread.jspa?threadID=2285&tstart=0
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