[jira] Assigned: (CAMEL-3167) Be able to use constant from java classes in Spring XML

["Claus Ibsen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/activemq/browse/CAMEL-3167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claus Ibsen reassigned CAMEL-3167:
----------------------------------

    Assignee: Claus Ibsen

> Be able to use constant from java classes in Spring XML
> -------------------------------------------------------
>
>                 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
>            Assignee: 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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