/* * Copyright (c) 1998, 1999 Sun Microsystems, Inc. All Rights Reserved. * * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use, * modify and redistribute this software in source and binary code form, * provided that i) this copyright notice and license appear on all copies of * the software; and ii) Licensee does not utilize the software in a manner * which is disparaging to Sun. * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. * * This software is not designed or intended for use in on-line control of * aircraft, air traffic, aircraft navigation or aircraft communications; or in * the design, construction, operation or maintenance of any nuclear * facility. Licensee represents and warrants that it will not use or * redistribute the Software for such purposes. */ package examples.activation; import java.rmi.*; public class Client { public static void main(String args[]) { String server = "localhost"; if (args.length < 1) { System.out.println ("Usage: java Client <rmihost>"); System.exit(1); } else { server = args[0]; } // Set a security manager so that the client can // download the activatable object's stub // System.setSecurityManager(new RMISecurityManager()); try { String location = "rmi://" + server + "/ActivatableImplementation"; // Since you can't create an instance of an interface, what we get // back from the lookup method is a remote reference to an object // that implements MyRemoteInterface. // // Then we cast the remote reference (serialized stub instance) // returned from Naming.lookup to a "MyRemoteInterface" so we can // call the interface method(s). // MyRemoteInterface mri = (MyRemoteInterface)Naming.lookup(location); System.out.println("Got a remote reference to the object that" + " extends Activatable."); // The String "result" will be changed to "Success" by the remote // method call // String result = "failure"; System.out.println("Making remote call to the server"); result = (String)mri.callMeRemotely(); System.out.println("Returned from remote call"); System.out.println("Result: " + result); } catch (Exception e) { e.printStackTrace(); } } }