Mercurial > hg > graal-jvmci-8

comparison agent/src/share/classes/sun/jvm/hotspot/ui/VMFlagsPanel.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2002-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.ui;
26
27 import java.awt.*;
28 import javax.swing.*;
29
30 import sun.jvm.hotspot.runtime.*;
31
32 /** Shows values of Java command line flags */
33
34 public class VMFlagsPanel extends JPanel {
35 private JEditorPane flagsPane;
36
37 public VMFlagsPanel() {
38 initUI();
39 }
40
41 private void initUI() {
42 setLayout(new BorderLayout());
43 flagsPane = new JEditorPane();
44 flagsPane.setContentType("text/html");
45 flagsPane.setEditable(false);
46 flagsPane.setText(getFlags());
47
48 add(new JScrollPane(flagsPane), BorderLayout.CENTER);
49 }
50
51 private String getFlags() {
52 VM.Flag[] flags = VM.getVM().getCommandLineFlags();
53 StringBuffer buf = new StringBuffer();
54 buf.append("<html><head><title>VM Command Line Flags</title></head><body>");
55 if (flags == null) {
56 buf.append("<b>Command Flag info not available (use 1.4.1_03 or later)!</b>");
57 } else {
58 buf.append("<table border='1'>");
59 for (int f = 0; f < flags.length; f++) {
60 buf.append("<tr><td>");
61 buf.append(flags[f].getName());
62 buf.append("</td><td>");
63 buf.append(flags[f].getValue());
64 buf.append("</td>");
65 }
66 buf.append("</table>");
67 }
68
69 buf.append("</body></html>");
70 return buf.toString();
71 }
72 }