/*

 * Copyright 1998-2004 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package com.sun.tools.jdi;

import com.sun.jdi.*;

public class CharValueImpl extends PrimitiveValueImpl

                           implements CharValue {

    private char value;

    CharValueImpl(VirtualMachine aVm,char aValue) {

        super(aVm);

        value = aValue;

    }

    public boolean equals(Object obj) {

        if ((obj != null) && (obj instanceof CharValue)) {

            return (value == ((CharValue)obj).value()) &&

                   super.equals(obj);

        } else {

            return false;

        }

    }

    public int hashCode() {

        /*

         * TO DO: Better hash code

         */

        return intValue();

    }

    public int compareTo(CharValue obj) {

        char other = obj.value();

        return value() - other;

    }

    public Type type() {

        return vm.theCharType();

    }

    public char value() {

        return value;

    }

    public boolean booleanValue() {

        return(value == 0)?false:true;

    }

    public byte byteValue() {

        return(byte)value;

    }

    public char charValue() {

        return(char)value;

    }

    public short shortValue() {

        return(short)value;

    }

    public int intValue() {

        return(int)value;

    }

    public long longValue() {

        return(long)value;

    }

    public float floatValue() {

        return(float)value;

    }

    public double doubleValue() {

        return(double)value;

    }

    public String toString() {

        return "" + value;

    }

    byte checkedByteValue() throws InvalidTypeException {

        // Note: since char is unsigned, don't check against MIN_VALUE

        if (value > Byte.MAX_VALUE) {

            throw new InvalidTypeException("Can't convert " + value + " to byte");

        } else {

            return super.checkedByteValue();

        }

    }

    short checkedShortValue() throws InvalidTypeException {

        // Note: since char is unsigned, don't check against MIN_VALUE

        if (value > Short.MAX_VALUE) {

            throw new InvalidTypeException("Can't convert " + value + " to short");

        } else {

            return super.checkedShortValue();

        }

    }

    byte typeValueKey() {

        return JDWP.Tag.CHAR;

    }

}