1 /*
   2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import HelloApp.*;
  25 import org.omg.CosNaming.*;
  26 import org.omg.CosNaming.NamingContextPackage.*;
  27 import org.omg.CORBA.*;
  28 
  29 public class HelloClient
  30 {
  31     static Hello helloImpl;
  32 
  33     public static void main(String args[])
  34     {
  35         try{
  36             // create and initialize the ORB
  37             ORB orb = ORB.init(args, null);
  38 
  39             // get the root naming context
  40             org.omg.CORBA.Object objRef =
  41                 orb.resolve_initial_references("NameService");
  42             // Use NamingContextExt instead of NamingContext. This is
  43             // part of the Interoperable naming Service.
  44             NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
  45  
  46             // resolve the Object Reference in Naming
  47             String name = "Hello";
  48             helloImpl = HelloHelper.narrow(ncRef.resolve_str(name));
  49 
  50             System.out.println("Obtained a handle on server object: " + helloImpl);
  51             for (int i = 0; i < 2; i++) {
  52                 try {
  53                     System.out.println(helloImpl.sayHello());
  54                 } catch (Exception e) {
  55                     System.out.println("Exception: " + e.getMessage());
  56                     e.printStackTrace();
  57                 }
  58                 Thread.sleep(2000);
  59             }
  60 
  61         } catch (Exception e) {
  62             System.out.println("ERROR : " + e) ;
  63             e.printStackTrace(System.out);
  64         }
  65     }
  66 
  67 }