Apache Camel: JAXB

JAXB

JAXB is a Data Format which uses the JAXB2 XML marshalling standard which is included in Java 6 to unmarshal an XML payload into Java objects or to marshal Java objects into an XML payload.

Using the Java DSL

For example the following uses a named DataFormat of jaxb which is configured with a number of Java package names to initialize the JAXBContext.

DataFormat jaxb = new JaxbDataFormat("com.acme.model");

from("activemq:My.Queue").
  unmarshal(jaxb).
  to("mqseries:Another.Queue");

You can if you prefer use a named reference to a data format which can then be defined in your Registry such as via your Spring XML file. e.g.

from("activemq:My.Queue").
  unmarshal("myJaxbDataType").
  to("mqseries:Another.Queue");

Using Spring XML

The following example shows how to use JAXB to unmarshal using Spring configuring the jaxb data type

<camelContext id="camel" xmlns="http://activemq.apache.org/camel/schema/spring">
  <route>
    <from uri="direct:start"/>
    <unmarshal>
      <jaxb prettyPrint="true" contextPath="org.apache.camel.example"/>
    </unmarshal>
    <to uri="mock:result"/>
  </route>
</camelContext>

This example shows how to configure the data type just once and reuse it on multiple routes

<camelContext id="camel" xmlns="http://activemq.apache.org/camel/schema/spring">
  <jaxb id="myJaxb" prettyPrint="true" contextPath="org.apache.camel.example"/>

  <route>
    <from uri="direct:start"/>
    <marshal ref="myJaxb"/>
    <to uri="direct:marshalled"/>
  </route>
  <route>
    <from uri="direct:marshalled"/>
    <unmarshal ref="myJaxb"/>
    <to uri="mock:result"/>
  </route>

</camelContext>

JAXB

Using the Java DSL

Using Spring XML

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