exo4/Main.java

   1 import java.util.LinkedList;
   2 import java.lang.annotation.Annotation;
   3 import java.util.Date;
   4 import java.text.SimpleDateFormat;
   5 import java.text.ParseException;
   6
   7 class Main {
   8
   9     /**
  10      * The main() function
  11      * @param String[] args main() function arguments array
  12      */
  13     public static void main(String[] args) {
  14         //FIXME: one can create a smart way of building this list
  15         LinkedList<Class<?>> packageClasses = new LinkedList<Class<?>>();
  16         packageClasses.add(Cercle.class);
  17         packageClasses.add(Entiers.class);
  18         packageClasses.add(Forme.class);
  19         packageClasses.add(Image.class);
  20         packageClasses.add(Liste.class);
  21         packageClasses.add(Piletransformations.class);
  22         packageClasses.add(Point.class);
  23         packageClasses.add(Segment.class);
  24         packageClasses.add(Structure.class);
  25
  26         System.out.println("Class list created after 2009:");
  27         for (Class<?> cl : packageClasses) {
  28             ClassPreamble classPreamble = cl.getAnnotation(ClassPreamble.class);
  29             if (classPreamble == null) {
  30                 System.out.println("No annotation for " + cl.getName());
  31                 continue;
  32             }
  33             try {
  34                 SimpleDateFormat sdf =  new SimpleDateFormat("dd/M/yyyy");
  35                 Date date = sdf.parse(classPreamble.date());
  36                 Integer classYear = date.getYear() + 1900;
  37                 if (classYear >= 2009) {
  38                     System.out.println("  " + cl.getName() + " created year " + classYear + ".");
  39                 }
  40             }
  41             catch (ParseException e) {
  42                 e.printStackTrace();
  43             }
  44         }
  45     }
  46 }