1 /*
   2  * Copyright (c) 2005, 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 /*
  25  *
  26  *
  27  * Used to shutdown SimpleApplication. The argument to this class is
  28  * the TCP port number where SimpleApplication is listening.





  29  */
  30 import java.net.Socket;
  31 import java.net.InetSocketAddress;
  32 import java.io.File;
  33 import java.io.FileInputStream;
  34 
  35 public class ShutdownSimpleApplication {
  36     public static void main(String args[]) throws Exception {
  37 





  38         // read the (TCP) port number from the given file
  39 
  40         File f = new File(args[0]);
  41         FileInputStream fis = new FileInputStream(f);
  42         byte b[] = new byte[8];
  43         int n = fis.read(b);
  44         if (n < 1) {
  45             throw new RuntimeException("Empty file");
  46         }
  47         fis.close();
  48 
  49         String str = new String(b, 0, n, "UTF-8");
  50         System.out.println("Port number of application is: " + str);
  51         int port = Integer.parseInt(str);
  52 
  53         // Now connect to the port (which will shutdown application)
  54 
  55         System.out.println("Connecting to port " + port +
  56             " to shutdown Application ...");

  57 
  58         Socket s = new Socket();
  59         s.connect( new InetSocketAddress(port) );
  60         s.close();





  61     }
  62 }
--- EOF ---