19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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 |
20 * or visit www.oracle.com if you need additional information or have any |
21 * questions. |
21 * questions. |
22 */ |
22 */ |
23 |
23 |
24 import java.io.BufferedWriter; |
24 import java.io.BufferedOutputStream; |
25 import java.io.File; |
25 import java.io.FileOutputStream; |
26 import java.io.FileWriter; |
26 import java.io.PrintStream; |
27 import java.io.PrintWriter; |
27 import java.io.IOException; |
28 |
28 |
29 public class Hello { |
29 public class Hello { |
30 |
30 |
31 private static final String MSG = "jpackage test application"; |
31 private static final String MSG = "jpackage test application"; |
32 private static final int EXPECTED_NUM_OF_PARAMS = 3; // Starts at 1 |
32 private static final int EXPECTED_NUM_OF_PARAMS = 3; // Starts at 1 |
33 |
33 |
34 public static void main(String[] args) { |
34 public static void main(String[] args) throws IOException { |
35 printToStdout(args); |
35 printArgs(args, System.out); |
36 printToFile(args); |
36 |
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37 try (PrintStream out = new PrintStream(new BufferedOutputStream( |
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38 new FileOutputStream("appOutput.txt")))) { |
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39 printArgs(args, out); |
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40 } |
37 } |
41 } |
38 |
42 |
39 private static void printToStdout(String[] args) { |
43 private static void printArgs(String[] args, PrintStream out) { |
40 System.out.println(MSG); |
44 out.println(MSG); |
41 |
45 |
42 System.out.println("args.length: " + args.length); |
46 out.println("args.length: " + args.length); |
43 |
47 |
44 for (String arg : args) { |
48 for (String arg : args) { |
45 System.out.println(arg); |
49 out.println(arg); |
46 } |
50 } |
47 |
51 |
48 for (int index = 1; index <= EXPECTED_NUM_OF_PARAMS; index++) { |
52 for (int index = 1; index <= EXPECTED_NUM_OF_PARAMS; index++) { |
49 String value = System.getProperty("param" + index); |
53 String value = System.getProperty("param" + index); |
50 if (value != null) { |
54 if (value != null) { |
51 System.out.println("-Dparam" + index + "=" + value); |
55 out.println("-Dparam" + index + "=" + value); |
52 } |
56 } |
53 } |
57 } |
54 } |
58 } |
55 |
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56 private static void printToFile(String[] args) { |
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57 String outputFile = "appOutput.txt"; |
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58 File file = new File(outputFile); |
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59 |
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60 try (PrintWriter out |
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61 = new PrintWriter(new BufferedWriter(new FileWriter(file)))) { |
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62 out.println(MSG); |
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63 |
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64 out.println("args.length: " + args.length); |
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65 |
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66 for (String arg : args) { |
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67 out.println(arg); |
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68 } |
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69 |
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70 for (int index = 1; index <= EXPECTED_NUM_OF_PARAMS; index++) { |
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71 String value = System.getProperty("param" + index); |
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72 if (value != null) { |
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73 out.println("-Dparam" + index + "=" + value); |
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74 } |
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75 } |
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76 } catch (Exception ex) { |
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77 System.err.println(ex.getMessage()); |
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78 } |
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79 } |
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80 } |
59 } |