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 }