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comparison agent/src/share/classes/sun/jvm/hotspot/ui/SysPropsPanel.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 2002-2004 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 java.util.*;
29 import javax.swing.*;
30
31 import sun.jvm.hotspot.runtime.*;
32
33 /** Shows values of Java System properties. */
34
35 public class SysPropsPanel extends JPanel {
36 private SAEditorPane flagsPane;
37
38 public SysPropsPanel() {
39 initUI();
40 }
41
42 private void initUI() {
43 setLayout(new BorderLayout());
44 flagsPane = new SAEditorPane();
45 flagsPane.setText(getFlags());
46
47 add(new JScrollPane(flagsPane), BorderLayout.CENTER);
48 }
49
50 private String getFlags() {
51 final StringBuffer buf = new StringBuffer();
52 buf.append("<html><head><title>System Properties</title></head><body>");
53 buf.append("<table border='1'>");
54
55 Properties sysProps = VM.getVM().getSystemProperties();
56 if (sysProps != null) {
57 Enumeration keys = sysProps.keys();
58 while (keys.hasMoreElements()) {
59 Object key = keys.nextElement();
60 buf.append("<tr><td>");
61 buf.append(key.toString());
62 buf.append("</td><td>");
63 buf.append(sysProps.get(key).toString());
64 buf.append("</td></tr>");
65 }
66 } else {
67 buf.append("<tr><td>System Properties info not available!</td></tr>");
68 }
69 buf.append("</table>");
70 buf.append("</body></html>");
71 return buf.toString();
72 }
73 }