/*
 * Copyright 1998-1999 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 StringReferenceImpl extends ObjectReferenceImpl
    implements StringReference
{
    private String value;

    StringReferenceImpl(VirtualMachine aVm,long aRef) {
        super(aVm,aRef);
    }

    public String value() {
        if(value == null) {
            // Does not need synchronization, since worst-case
            // static info is fetched twice
            try {
                value = JDWP.StringReference.Value.
                    process(vm, this).stringValue;
            } catch (JDWPException exc) {
                throw exc.toJDIException();
            }
        }
        return value;
    }

    public String toString() {
        return "\"" + value() + "\"";
    }

    byte typeValueKey() {
        return JDWP.Tag.STRING;
    }
}