Java API for XML-based RPC
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Java API for XML-based RPC (JAX-RPC) allows invoking from a Java application a Java based Web Service with a known description while still being consistent with its WSDL description. It can be seen as Java RMIs over Web Services. JAX-RPC 2.0 was renamed to JAX-WS 2.0 (Java API for XML Web Services).
It works as follows:
- A Java program invokes a method on a stub (local object representing the remote service)
- The stub invokes routines in the JAX-RPC Runtime System (RS)
- The RS converts the remote method invocation into a SOAP message
- The RS transmits the message as an HTTP request
The advantage of such a method is that it allows the Web Service to be implemented at server-side as a Servlet or EJB container. Thus, Servlet or EJB applications are made available through Web Services.
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