Message mode of JAX-WS Dispatch

In message mode , a Dispatch object works with complete messages. A complete message includes any binding specific headers and wrappers. For example, a consumer interacting with a service that requires SOAP messages would need to provide the Dispatch object's invoke() method a fully specified SOAP message. The invoke() method will also return a fully specified SOAP message. The consumer code is responsible for completing and reading the SOAP message's headers and the SOAP message's envelope information.

You specify that a Dispatch object uses message mode by providing the value java.xml.ws.Service.Mode.MESSAGE when creating the Dispatch object.