NET/worlds/scape/Event.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74

package NET.worlds.scape;

public class Event implements Cloneable {
   public static final Class eventSuperclass = new Object().getClass();
   public int time;
   public Object source;
   public WObject target;
   public WObject receiver;

   public Event(int time, Object source, WObject target) {
      this.time = time;
      this.source = source;
      this.target = target;
   }

   @Override
   public Object clone() {
      try {
         return super.clone();
      } catch (CloneNotSupportedException var2) {
         System.out.println("Clone of Object not supported!");
         return null;
      }
   }

   public boolean isA(Class c) {
      for (Class t = this.getClass(); t != eventSuperclass; t = t.getSuperclass()) {
         if (t == c) {
            return true;
         }
      }

      return false;
   }

   public boolean deliver(Object o) {
      return o instanceof Handler && ((Handler)o).handle(this);
   }

   @Override
   public String toString() {
      String result = "Event at " + this.time;
      String sname = null;
      if (this.source instanceof SuperRoot) {
         sname = ((SuperRoot)this.source).getName();
      } else if (this.source != null) {
         sname = this.source.toString();
      }

      if (sname != null) {
         result = result + " from " + sname;
      }

      String tname = null;
      if (this.target != null) {
         this.target.getName();
      }

      if (tname != null) {
         result = result + " to " + tname;
      }

      String rname = null;
      if (this.receiver != null) {
         this.receiver.getName();
      }

      if (rname != null) {
         result = result + " handled by " + rname;
      }

      return result;
   }
}