Code snippet for blog post: http://scattercode.co.uk/2013/01/15/playing-around-with-apache-camel/

camel-content-based-router.xml

<camelContext xmlns="http://camel.apache.org/schema/spring">
  <route>
    <from uri="webspheremq:ANY.OPERATION.REQUEST" />
    <choice>
      <when>
        <xpath>/REQUEST/HEADER[@OperationName='Old.Request']</xpath>
        <to uri="activemq:OLD.REQUEST" />
      </when>
      <when>
        <xpath>/REQUEST/HEADER[@OperationName='New.Request']</xpath>
        <to uri="activemq:NEW.REQUEST" />
      </when>
      <otherwise>
        <to uri="activemq:DEAD.LETTER.QUEUE" />
      </otherwise>
    </choice>
  </route>
</camelContext>