exo3/Main.java

   1 import java.lang.reflect.Field;
   2 import java.lang.reflect.Method;
   3 import java.lang.reflect.Constructor;
   4 import java.lang.reflect.InvocationTargetException;
   5 import java.util.Scanner;
   6 import java.io.IOException;
   7
   8 class Main {
   9
  10     private static void main_orig(String[] args) {
  11         Entiers integer = new Entiers(5);
  12
  13         integer.inserer(1);
  14
  15         integer.afficher();
  16
  17         integer.inserer(12);
  18
  19         integer.afficher();
  20
  21         integer.inserer(3);
  22
  23         integer.afficher();
  24
  25         integer.inserer(0);
  26
  27         integer.inserer(1);
  28
  29         integer.afficher();
  30
  31         integer.supprimer(12);
  32
  33         integer.afficher();
  34         System.out.println("Current size " + integer.getCurrentSize());
  35
  36         integer.supprimer(1);
  37
  38         integer.afficher();
  39         System.out.println("Current size " + integer.getCurrentSize());
  40
  41     }
  42
  43     private static void main_A(String[] args) {
  44         if (args.length == 0) {
  45             System.out.println("Please run with java Main <class name to inspect>");
  46             System.exit(-1);
  47         }
  48         String className = args[0];
  49
  50         Class cl = null;
  51         try {
  52             cl = Class.forName(className);
  53         }
  54         catch (ClassNotFoundException e) {
  55             System.out.println("Entered class name do not exist.");
  56             System.exit(-1);
  57         }
  58
  59         Field[] fields = cl.getFields();
  60         Method[] methods = cl.getMethods();
  61
  62         for (int i = 0; i < fields.length; i++) {
  63             System.out.println(fields[i]);
  64         }
  65
  66         for (int i = 0; i < methods.length; i++) {
  67             System.out.println(methods[i]);
  68         }
  69     }
  70
  71     /**
  72      * The main() function
  73      * @param String[] args main() function arguments array
  74      */
  75     public static void main(String[] args) {
  76         String name = Entiers.class.getName();
  77         Class cl = null;
  78         Entiers o = null;
  79         try {
  80             cl = Class.forName(name);
  81             o = new Entiers(100);
  82         }
  83         catch (ClassNotFoundException e) {
  84             System.out.println("Class name do not exist.");
  85             System.exit(-1);
  86         }
  87
  88         Scanner uInput = null;
  89         try {
  90             uInput = new Scanner(System.in);
  91             System.out.println("Saisir le nom de la methode à invoquer:");
  92             String method = uInput.next();
  93             //TODO: one can build the input list from the method arguments list and types
  94             System.out.println("Saisir l'argument entier paramètre de la méthode:");
  95             int integer = uInput.nextInt();
  96             Method m = cl.getMethod(method, new Class[]{Integer.class});
  97             m.invoke(o, integer);
  98         }
  99         catch (Exception e) {
 100             System.out.println("Erreur:");
 101             e.printStackTrace();
 102         }
 103         finally {
 104             try {
 105                 Method mDisplay = cl.getMethod("afficher");
 106                 mDisplay.invoke(o);
 107             }
 108             catch (NoSuchMethodException e) {
 109                 e.printStackTrace();
 110             }
 111             catch (IllegalAccessException e) {
 112                 e.printStackTrace();
 113             }
 114             catch (InvocationTargetException e) {
 115                 e.printStackTrace();
 116             }
 117             uInput.close();
 118         }
 119     }
 120 }