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comparison agent/src/share/classes/sun/jvm/hotspot/ui/HeapParametersPanel.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 2000-2002 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.io.*;
29 import javax.swing.*;
30
31 import sun.jvm.hotspot.memory.*;
32 import sun.jvm.hotspot.runtime.*;
33
34 /** Provides information about heap. FIXME: add back in information
35 about card marking table (was present before GC interface). */
36
37 public class HeapParametersPanel extends JPanel {
38 public HeapParametersPanel() {
39 super();
40
41 setLayout(new BorderLayout());
42
43 // Simple at first
44 JScrollPane scroller = new JScrollPane();
45 JTextArea textArea = new JTextArea();
46 textArea = new JTextArea();
47 textArea.setEditable(false);
48 textArea.setLineWrap(true);
49 textArea.setWrapStyleWord(true);
50 scroller.getViewport().add(textArea);
51 add(scroller, BorderLayout.CENTER);
52
53 Universe u = VM.getVM().getUniverse();
54 ByteArrayOutputStream bos = new ByteArrayOutputStream();
55 PrintStream tty = new PrintStream(bos);
56 tty.println("Heap Parameters:");
57 u.heap().printOn(tty);
58
59 textArea.setText(bos.toString());
60 }
61 }