1 /*
2 * The contents of this file are subject to the BT "ZEUS" Open Source
3 * Licence (L77741), Version 1.0 (the "Licence"); you may not use this file
4 * except in compliance with the Licence. You may obtain a copy of the Licence
5 * from $ZEUS_INSTALL/licence.html or alternatively from
6 * http://www.labs.bt.com/projects/agents/zeus/licence.htm
7 *
8 * Except as stated in Clause 7 of the Licence, software distributed under the
9 * Licence is distributed WITHOUT WARRANTY OF ANY KIND, either express or
10 * implied. See the Licence for the specific language governing rights and
11 * limitations under the Licence.
12 *
13 * The Original Code is within the package zeus.*.
14 * The Initial Developer of the Original Code is British Telecommunications
15 * public limited company, whose registered office is at 81 Newgate Street,
16 * London, EC1A 7AJ, England. Portions created by British Telecommunications
17 * public limited company are Copyright 1996-9. All Rights Reserved.
18 *
19 * THIS NOTICE MUST BE INCLUDED ON ANY COPY OF THIS FILE
20 */
21
22
23
24 package zeus.util;
25
26 public class Assert {
27 static final public void notFalse(boolean b)
28 throws IllegalArgumentException {
29 if(b == false)
30 throw new IllegalArgumentException(
31 "boolean expression false");
32 }
33
34 static final public void notNull(Object obj)
35 throws IllegalArgumentException {
36 if(obj == null)
37 throw new IllegalArgumentException("null argument");
38 }
39
40 static final public void notFalse(boolean b, String s)
41 throws IllegalArgumentException {
42 if(b == false)
43 throw new IllegalArgumentException(s);
44 }
45
46
47 static final public void notNull(Object obj, String s)
48 throws IllegalArgumentException {
49 if(obj == null)
50 throw new IllegalArgumentException(s);
51 }
52 }