1 /*
   2  * Copyright (c) 2016, 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 javax.naming.InitialContext;
  25 import javax.naming.Context;
  26 
  27 public class HelloServer {
  28 
  29     static final int MAX_RETRY = 10;
  30     static final int ONE_SECOND = 1000;
  31 
  32     public static void main(String[] args) {
  33         int retryCount = 0;
  34         while (retryCount < MAX_RETRY) {
  35             try {
  36                 // Step 1: Instantiate the Hello servant
  37                 HelloImpl helloRef = new HelloImpl();
  38 
  39                 // Step 2: Publish the reference in the Naming Service
  40                 // using JNDI API
  41                 Context initialNamingContext = new InitialContext();
  42                 initialNamingContext.rebind("HelloService", helloRef);
  43 
  44                 System.out.println("Hello Server: Ready...");
  45                 break;
  46             } catch (Exception e) {
  47                 System.out.println("Server initialization problem: " + e);
  48                 e.printStackTrace();
  49                 retryCount++;
  50                 try {
  51                     Thread.sleep(ONE_SECOND);
  52                 } catch (InterruptedException e1) {
  53                     e1.printStackTrace();
  54                 }
  55             }
  56         }
  57     }
  58 }