1/*
2 * Copyright (c) 2004, 2012, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25package sun.jvm.hotspot.ui.tree;
26
27import java.io.*;
28import sun.jvm.hotspot.debugger.*;
29import sun.jvm.hotspot.oops.*;
30import sun.jvm.hotspot.runtime.VM;
31
32/** Simple wrapper for displaying bad addresses in the Inspector */
33
34public class BadAddressTreeNodeAdapter extends FieldTreeNodeAdapter {
35  private String message;
36
37  private static String generateMessage(long addr, String kind) {
38    return "** BAD " + kind + " " + Long.toHexString(addr) + " **";
39  }
40
41  public BadAddressTreeNodeAdapter(Address addr, MetadataField field, boolean treeTableMode) {
42    super(field.getID(), treeTableMode);
43    message = generateMessage(addr.minus(null), "METADATA");
44  }
45
46  public BadAddressTreeNodeAdapter(Address addr, OopField field, boolean treeTableMode) {
47    super(field.getID(), treeTableMode);
48    message = generateMessage(addr.minus(null), "OOP");
49  }
50
51  public BadAddressTreeNodeAdapter(OopHandle addr, FieldIdentifier id, boolean treeTableMode) {
52    super(id, treeTableMode);
53    message = generateMessage(addr.minus(null), "OOP");
54  }
55
56  /** The address may be null (for address fields of structures which
57      are null); the FieldIdentifier may also be null (for the root
58      node). */
59  public BadAddressTreeNodeAdapter(long addr, FieldIdentifier id, boolean treeTableMode) {
60    super(id, treeTableMode);
61    message = generateMessage(addr, "ADDRESS");
62  }
63
64  public int getChildCount() {
65    return 0;
66  }
67
68  public SimpleTreeNode getChild(int index) {
69    throw new RuntimeException("Should not call this");
70  }
71
72  public boolean isLeaf() {
73    return true;
74  }
75
76  public int getIndexOfChild(SimpleTreeNode child) {
77    throw new RuntimeException("Should not call this");
78  }
79
80  public String getValue() {
81    return message;
82      }
83    }
84