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1   /*
2    * Copyright (c) 2001, 2002, 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 java.io.*;
29  import javax.swing.*;
30  
31  import sun.jvm.hotspot.memory.*;
32  import sun.jvm.hotspot.runtime.*;
33  
34  /** Provides implementation level info about a Java Thread */
35  
36  public class ThreadInfoPanel extends JPanel {
37  
38      private JTextArea textArea;
39  
40      public ThreadInfoPanel() {
41          initUI();
42      }
43  
44      private void initUI() {
45          setLayout(new BorderLayout());
46  
47          // Simple at first
48          JScrollPane scroller = new JScrollPane();
49          textArea = new JTextArea();
50          textArea.setEditable(false);
51          textArea.setLineWrap(true);
52          textArea.setWrapStyleWord(true);
53          scroller.getViewport().add(textArea);
54          add(scroller, BorderLayout.CENTER);
55      }
56  
57  
58      public ThreadInfoPanel(final JavaThread thread) {
59          initUI();
60          setJavaThread(thread);
61      }
62  
63      public void setJavaThread(final JavaThread thread) {
64          ByteArrayOutputStream bos = new ByteArrayOutputStream();
65          PrintStream tty = new PrintStream(bos);
66          tty.println("Thread Info: " + thread.getThreadName());
67          thread.printInfoOn(tty);
68  
69          textArea.setText(bos.toString());
70      }
71  }