Similar to theMarshaller, there is theorg.springframework.oxm.Unmarshallerinterface.

public interface Unmarshaller {

    /**
     * Unmarshal the given provided Source into an object graph.
     */
    Object unmarshal(Source source) throws XmlMappingException, IOException;
}

This interface also has one method, which reads from the givenjavax.xml.transform.Source(an XML input abstraction), and returns the object read. As with Result, Source is a tagging interface that has three concrete implementations. Each wraps a different XML representation, as indicated in the table below.

Even though there are two separate marshalling interfaces (MarshallerandUnmarshaller), all implementations found in Spring-WS implement both in one class. This means that you can wire up one marshaller class and refer to it both as a marshaller and an unmarshaller in yourapplicationContext.xml.