1 /* 2 * Copyright (c) 2018, 2019, 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 java.io.BufferedOutputStream; 25 import java.io.FileOutputStream; 26 import java.io.PrintStream; 27 import java.io.IOException; 28 29 public class Hello { 30 31 private static final String MSG = "jpackage test application"; 32 private static final int EXPECTED_NUM_OF_PARAMS = 3; // Starts at 1 33 34 public static void main(String[] args) throws IOException { 35 printArgs(args, System.out); 36 37 try (PrintStream out = new PrintStream(new BufferedOutputStream( 38 new FileOutputStream("appOutput.txt")))) { 39 printArgs(args, out); 40 } 41 } 42 43 private static void printArgs(String[] args, PrintStream out) { 44 out.println(MSG); 45 46 out.println("args.length: " + args.length); 47 48 for (String arg : args) { 49 out.println(arg); 50 } 51 52 for (int index = 1; index <= EXPECTED_NUM_OF_PARAMS; index++) { 53 String value = System.getProperty("param" + index); 54 if (value != null) { 55 out.println("-Dparam" + index + "=" + value); 56 } 57 } 58 } 59 }