Example:
public class MyRestServlet extends RestServlet { public void init() throws ServletException { // addService(key, value); // key: Mapping string for the server to find a service object and method. // value: implementation from the service addService(Echo.class.getName(), new EchoImpl ()); // The string is to lower case! // key = 'service.' + class-name without package addService("service.echo", new EchoImpl ()); } }