aboutsummaryrefslogtreecommitdiff
path: root/src/Waiter.java
blob: 8db6980f6bfb4ad6bc02c36a4096fd50ffd59ce5 (plain)
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
/**
 * @author	Yannick Jestin
 * @author	<a href="http://www.tls.cena.fr/products/ivy/">http://www.tls.cena.fr/products/ivy/</a>
 *
 *  CHANGELOG:
 *  1.2.4:
 */

package fr.dgac.ivy ;
import java.util.*;

class Waiter implements Runnable, IvyMessageListener {
    private static final int INCREMENT = 100;
    int timeout;
    private IvyClient received=null;
    private boolean forever=false;
    private Thread t;

    public Waiter(int timeout) {
      this.timeout=timeout;
      if (timeout<=0) forever=true;
      t=new Thread(this);
    }

    public IvyClient waitFor() {
      t.start();
      try { t.join(); } catch (InterruptedException ie) { return null; }
      return received;
    }

    public void run() {
      boolean encore=true;
      // System.out.println("DEV Waiter start");
      while (encore) {
	try {
	  Thread.sleep(INCREMENT);
	  if (!forever) {
	    timeout-=INCREMENT;
	    if (timeout<=0) encore=false;
	  }
	} catch (InterruptedException ie) {
	  break;
	}
      }
      // System.out.println("DEV Waiter stop");
    }

    public void receive(IvyClient ic, String[] args) {
      received=ic;
      t.interrupt();
    }
  }