1/*
2 * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.tools.jdi;
27
28import com.sun.jdi.IntegerValue;
29import com.sun.jdi.InvalidTypeException;
30import com.sun.jdi.Type;
31import com.sun.jdi.VirtualMachine;
32
33public class IntegerValueImpl extends PrimitiveValueImpl
34                              implements IntegerValue {
35    private int value;
36
37    IntegerValueImpl(VirtualMachine aVm, int aValue) {
38        super(aVm);
39        value = aValue;
40    }
41
42    public boolean equals(Object obj) {
43        if ((obj != null) && (obj instanceof IntegerValue)) {
44            return (value == ((IntegerValue)obj).value()) &&
45                   super.equals(obj);
46        } else {
47            return false;
48        }
49    }
50
51    public int hashCode() {
52        /*
53         * TO DO: Better hash code
54         */
55        return intValue();
56    }
57
58    public int compareTo(IntegerValue obj) {
59        int other = obj.value();
60        return (value()<other ? -1 : (value()==other ? 0 : 1));
61    }
62
63    public Type type() {
64        return vm.theIntegerType();
65    }
66
67    public int value() {
68        return value;
69    }
70
71    public boolean booleanValue() {
72        return (value == 0 ? false : true);
73    }
74
75    public byte byteValue() {
76        return (byte)value;
77    }
78
79    public char charValue() {
80        return (char)value;
81    }
82
83    public short shortValue() {
84        return (short)value;
85    }
86
87    public int intValue() {
88        return value;
89    }
90
91    public long longValue() {
92        return value;
93    }
94
95    public float floatValue() {
96        return value;
97    }
98
99    public double doubleValue() {
100        return value;
101    }
102
103    byte checkedByteValue() throws InvalidTypeException {
104        if ((value > Byte.MAX_VALUE) || (value < Byte.MIN_VALUE)) {
105            throw new InvalidTypeException("Can't convert " + value + " to byte");
106        } else {
107            return super.checkedByteValue();
108        }
109    }
110
111    char checkedCharValue() throws InvalidTypeException {
112        if ((value > Character.MAX_VALUE) || (value < Character.MIN_VALUE)) {
113            throw new InvalidTypeException("Can't convert " + value + " to char");
114        } else {
115            return super.checkedCharValue();
116        }
117    }
118
119    short checkedShortValue() throws InvalidTypeException {
120        if ((value > Short.MAX_VALUE) || (value < Short.MIN_VALUE)) {
121            throw new InvalidTypeException("Can't convert " + value + " to short");
122        } else {
123            return super.checkedShortValue();
124        }
125    }
126
127    public String toString() {
128        return "" + value;
129    }
130
131    byte typeValueKey() {
132        return JDWP.Tag.INT;
133    }
134}
135