/* * Copyright (c) 1998, 1999, Oracle and/or its affiliates. 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.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.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;    }}