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Java > Open Source Codes > soot > jimple > toolkits > annotation > arraycheck > IntContainer


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2000 Feng Qian
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 /*
21  * Modified by the Sable Research Group and others 1997-1999.
22  * See the 'credits' file distributed with Soot for the complete list of
23  * contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot)
24  */
25
26 package soot.jimple.toolkits.annotation.arraycheck;
27
28 class IntContainer
29 {
30     static IntContainer[] pool = new IntContainer[100];
31     static {
32     for (int i=0; i<100; i++)
33         pool[i] = new IntContainer(i-50);
34     }
35
36     int value;
37     public IntContainer(int v)
38     {
39     this.value = v;
40     }
41
42     public static IntContainer v(int v)
43     {
44     if ((v >= -50) && (v <= 49))
45     {
46         return pool[v+50];
47     }
48     else
49         return new IntContainer(v);
50     }
51
52     public IntContainer dup()
53     {
54     return new IntContainer(value);
55     }
56
57     public int hashCode()
58     {
59     return value;
60     }
61
62     public boolean equals(Object JavaDoc other)
63     {
64     if (other instanceof IntContainer)
65     {
66         return ((IntContainer)other).value == this.value ;
67     }
68     
69     return false;
70     }
71
72     public String JavaDoc toString()
73     {
74     return ""+value;
75     }
76
77 }
78
79
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