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{snippet:id=example|lang=xml|url=camel/trunk/components/camel-jaxb/src/test/resources/org/apache/camel/example/springDataFormatWithEncoding.xml}

Controlling namespace prefix mapping

Available as of Camel 2.11

When marshalling using JAXB or SOAP then the JAXB implementation will automatic assign namespace prefixes, such as ns2, ns3, ns4 etc. To control this mapping, Camel allows you to refer to a map which contains the desired mapping.

For example in Spring XML we can define a Map with the mapping. In the mapping file below, we map SOAP to use soap as prefix. While our custom namespace "http://www.mycompany.com/foo/2" is not using any prefix.

  <util:map id="myMap">
    <entry key="http://www.w3.org/2003/05/soap-envelope" value="soap"/>
    <!-- we dont want any prefix for our namespace -->
    <entry key="http://www.mycompany.com/foo/2" value=""/>
  </util:map>

To use this in JAXB or SOAP you refer to this map, using the namespacePrefixRef attribute as shown below. Then Camel will lookup in the Registry a java.util.Map with the id "myMap", which was what we defined above.

  <marshal>
    <soapjaxb version="1.2" contextPath="com.mycompany.foo" namespacePrefixRef="myMap"/>
  </marshal>

Dependencies

To use JAXB in your camel routes you need to add the a dependency on camel-jaxb which implements this data format.

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