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.BufferedWriter; 25 import java.io.File; 26 import java.io.FileWriter; 27 import java.io.PrintWriter; 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) { 35 printToStdout(args); 36 if (args.length == 1) { // Called via file association 37 printToFile(args); 38 } 39 } 40 41 private static void printToStdout(String[] args) { 42 System.out.println(MSG); 43 44 System.out.println("args.length: " + args.length); 45 46 for (String arg : args) { 47 System.out.println(arg); 48 } 49 50 for (int index = 1; index <= EXPECTED_NUM_OF_PARAMS; index++) { 51 String value = System.getProperty("param" + index); 52 if (value != null) { 53 System.out.println("-Dparam" + index + "=" + value); 54 } 55 } 56 } 57 58 private static void printToFile(String[] args) { 59 File inputFile = new File(args[0]); 60 String outputFile = inputFile.getParent() + File.separator + "appOutput.txt"; 61 File file = new File(outputFile); 62 63 try (PrintWriter out 64 = new PrintWriter(new BufferedWriter(new FileWriter(file)))) { 65 out.println(MSG); 66 67 out.println("args.length: " + args.length); 68 69 for (String arg : args) { 70 out.println(arg); 71 } 72 73 for (int index = 1; index <= EXPECTED_NUM_OF_PARAMS; index++) { 74 String value = System.getProperty("param" + index); 75 if (value != null) { 76 out.println("-Dparam" + index + "=" + value); 77 } 78 } 79 } catch (Exception ex) { 80 System.err.println(ex.getMessage()); 81 } 82 } 83 }