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1   /*
2    * Copyright (c) 2002, 2003, 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  
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 VM version information */
33  
34  public class VMVersionInfoPanel extends JPanel {
35      private JEditorPane         versionPane;
36  
37      public VMVersionInfoPanel() {
38          initUI();
39      }
40  
41      private void initUI() {
42          setLayout(new BorderLayout());
43          versionPane = new JEditorPane();
44          versionPane.setContentType("text/html");
45          versionPane.setEditable(false);
46          versionPane.setText(getVersionInfo());
47  
48          add(versionPane, BorderLayout.CENTER);
49      }
50  
51      private String getVersionInfo() {
52         VM vm = VM.getVM();
53         StringBuffer buf = new StringBuffer();
54         buf.append("<html><head><title>VM Version Info</title></head>");
55         buf.append("<body><table border='1'>");
56  
57         // VM type
58         buf.append("<tr><td><b>VM Type</b></td>");
59         buf.append("<td>");
60         if (vm.isCore()) {
61            buf.append("<b>core</b>");
62         } else if(vm.isClientCompiler()) {
63            buf.append("<b>client</b>");
64         } else if(vm.isServerCompiler()) {
65            buf.append("<b>server</b>");
66         } else {
67            buf.append("<b>unknown</b>");
68         }
69         buf.append("</td></tr>");
70  
71         // VM release
72         String release = vm.getVMRelease();
73         if (release != null) {
74            buf.append("<tr><td><b>VM Release</td><td><b>");
75            buf.append(release);
76            buf.append("</b></td></tr>");
77         }
78  
79         // VM internal info
80         String internalInfo = vm.getVMInternalInfo();
81         if (internalInfo != null) {
82            buf.append("<tr><td><b>VM Internal Info</td><td><b>");
83            buf.append(internalInfo);
84            buf.append("</b></td></tr>");
85         }
86  
87         buf.append("</table></body></html>");
88         return buf.toString();
89      }
90  }