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      1 /*
      2  * Copyright (c) 1998, 2004, 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 
     26 package com.sun.tools.jdi;
     27 
     28 import com.sun.jdi.*;
     29 
     30 public class ByteValueImpl extends PrimitiveValueImpl
     31                            implements ByteValue {
     32     private byte value;
     33 
     34     ByteValueImpl(VirtualMachine aVm,byte aValue) {
     35         super(aVm);
     36 
     37         value = aValue;
     38     }
     39 
     40     public boolean equals(Object obj) {
     41         if ((obj != null) && (obj instanceof ByteValue)) {
     42             return (value == ((ByteValue)obj).value())
     43                    && super.equals(obj);
     44         } else {
     45             return false;
     46         }
     47     }
     48 
     49     public int hashCode() {
     50         /*
     51          * TO DO: Better hash code
     52          */
     53         return intValue();
     54     }
     55 
     56     public int compareTo(ByteValue obj) {
     57         byte other = obj.value();
     58         return value() - other;
     59     }
     60 
     61 
     62     public Type type() {
     63         return vm.theByteType();
     64     }
     65 
     66     public byte value() {
     67         return value;
     68     }
     69 
     70     public boolean booleanValue() {
     71         return(value == 0)?false:true;
     72     }
     73 
     74     public byte byteValue() {
     75         return value;
     76     }
     77 
     78     public char charValue() {
     79         return(char)value;
     80     }
     81 
     82     public short shortValue() {
     83         return(short)value;
     84     }
     85 
     86     public int intValue() {
     87         return(int)value;
     88     }
     89 
     90     public long longValue() {
     91         return(long)value;
     92     }
     93 
     94     public float floatValue() {
     95         return(float)value;
     96     }
     97 
     98     public double doubleValue() {
     99         return(double)value;
    100     }
    101 
    102     char checkedCharValue() throws InvalidTypeException {
    103         if ((value > Character.MAX_VALUE) || (value < Character.MIN_VALUE)) {
    104             throw new InvalidTypeException("Can't convert " + value + " to char");
    105         } else {
    106             return super.checkedCharValue();
    107         }
    108     }
    109 
    110     public String toString() {
    111         return "" + value;
    112     }
    113 
    114     byte typeValueKey() {
    115         return JDWP.Tag.BYTE;
    116     }
    117 }
    118