code: public Object create(Class<?> api, String urlName, ClassLoader loader)
          throws MalformedURLException
      {
          URL url = new URL(urlName);
  
          return create(api, url, loader);
      }
docs: Creates a new proxy with the specified URL.  The returned object
  is a proxy with the interface specified by api.
  
  <pre>
  String url = "http://localhost:8080/ejb/hello");
  HelloHome hello = (HelloHome) factory.create(HelloHome.class, url);
  </pre>
  
  @param api the interface the proxy class needs to implement
  @param url the URL where the client object is located.
  
  @return a proxy to the object with the specified interface.