Camel REST DSL Redirect with Restlet

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:camel="http://camel.apache.org/schema/spring"
       xsi:schemaLocation="
       http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
       http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd">

<camelContext xmlns="http://camel.apache.org/schema/spring">

<restConfiguration component="restlet" port="8080"/>

<rest path="/">
        <get uri="/test" >
            <to uri="direct:Test"/>
        </get>
</rest>

<route>
  <from uri="direct:Test"/>
  <transform><groovy><![CDATA[
       exchange.out.headers.'Content-Type' = 'text/html;charset=UTF-8'
       exchange.out.headers[org.apache.camel.Exchange.HTTP_RESPONSE_CODE] = 302

       def locationUri='http://yahoo.com'

       // This doesn't work
       // The console outputs:
       // Apr 01, 2015 1:56:01 PM org.restlet.engine.header.HeaderUtils addExtensionHeaders
       // WARNING: Addition of the standard header "location" is not allowed. Please use the equivalent property in the Restlet API.
       //
       // exchange.out.headers.location = locationUri

       // This works
       def response = exchange.getIn().getHeader('CamelRestletResponse')
       response.setLocationRef(locationUri)

       $/<html><body><a href="${locationUri}">redirect</a></body></html>/$
  ]]></groovy>
  </transform>
</route>

</camelContext>
</beans>