1/*
2 * Copyright (c) 1999, 2017, 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.ClassObjectReference;
29import com.sun.jdi.ReferenceType;
30import com.sun.jdi.VirtualMachine;
31
32public class ClassObjectReferenceImpl extends ObjectReferenceImpl
33                                      implements ClassObjectReference
34{
35    private ReferenceType reflectedType;
36
37    ClassObjectReferenceImpl(VirtualMachine vm, long ref) {
38        super(vm, ref);
39    }
40
41    public ReferenceType reflectedType() {
42        if (reflectedType == null) {
43            try {
44                JDWP.ClassObjectReference.ReflectedType reply =
45                    JDWP.ClassObjectReference.ReflectedType.process(vm, this);
46                reflectedType = vm.referenceType(reply.typeID,
47                                                 reply.refTypeTag);
48
49            } catch (JDWPException exc) {
50                throw exc.toJDIException();
51            }
52        }
53        return reflectedType;
54    }
55
56    byte typeValueKey() {
57        return JDWP.Tag.CLASS_OBJECT;
58    }
59
60    public String toString() {
61        return "instance of " + referenceType().name() +
62               "(reflected class=" + reflectedType().name() + ", " + "id=" + uniqueID() + ")";
63    }
64}
65