1 /* 2 * Copyright (c) 2005, 2018, 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 package nsk.share; 25 26 import java.util.Properties; 27 28 /** 29 * This program prints system properties. 30 */ 31 public class PrintProperties { main(String[] args)32 public static void main(String[] args) { 33 Properties pr = System.getProperties(); 34 switch (args.length) { 35 case 0: 36 pr.list(System.out); 37 System.exit(0); 38 case 1: 39 String value = pr.getProperty(args[0]); 40 if (value == null) { 41 System.err.println("Not found"); 42 System.exit(1); 43 } else { 44 System.out.println(value); 45 System.exit(0); 46 } 47 default: 48 System.out.println("Usage:"); 49 System.out.println(" PrintProperties"); 50 System.out.println(" PrintProperties <property name>"); 51 System.exit(255); 52 } 53 } 54 } 55