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Java > Open Source Codes > asm1 > Counter2


1 /*
2  * Java bytecode manipulation with ASM toolkit
3  * Copyright (c) 2004, Eugene Kuleshov
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */

19
20 package asm1;
21
22 import java.util.ArrayList JavaDoc;
23
24
25 public class Counter2 implements Notifier, Counter {
26   private int n;
27   private ArrayList JavaDoc __lst = new ArrayList JavaDoc();
28     
29   public void increment() {
30     notify( "increment()");
31     n++;
32   }
33
34   public int count() {
35     notify( "count()");
36     return n;
37   }
38
39   // Listener implementation
40
public void notify( String JavaDoc msg) {
41     for( int i = 0; i<__lst.size(); i++) {
42       ((Listener)__lst.get(i)).notify(this, msg);
43     }
44   }
45
46   public void addListener( Listener listener) {
47     __lst.add( listener);
48   }
49
50 }
51
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