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 }